[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "1"]
[White "Antoshin, Vladimir"]
[Black "Bertok, Mario"]
[Result "1/2-1/2"]
[ECO "A39"]
[EventDate "1966.06.21"]
[PlyCount "35"]

1. d4 Nf6 2. c4 g6 3. g3 c5 4. Nf3 Bg7 5. Bg2 Nc6 6. O-O O-O 7. Nc3 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qd2 Be6 11. Bxb7 Rb8 12. Bd5 Nxd5 13. Nxd5 Qd7 14. e4 f5 15. Re1 Rf7 16. Qe2 fxe4 17. Qxe4 Be5 18. Qh4 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "1"]
[White "Barcza, Gedeon"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[ECO "A25"]
[EventDate "1966.06.21"]
[PlyCount "68"]

1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. d3 Nc6 6. Rb1 a5 7. e3 Nge7 8. Nge2 h5 9. Nd5 Nxd5 10. cxd5 Ne7 11. h4 O-O 12. Nc3 c6 13. O-O Bg4 14. Qb3 Qd7 15. Kh2 Nxd5 16. Nxd5 a4 17. Qc4 cxd5 18. Qxd5 Ra7 19. b3 Be6 20. Qf3 axb3 21. axb3 Bg4 22. Qd5 Rc8 23. b4 Be6 24. Qf3 Rc2 25. b5 b6 26. Kg1 Rc5 27. Rb4 Bg4 28. Qc6 Rxc6 29. bxc6 Qc7 30. d4 d5 31. dxe5 Qxc6 32. e4 Qc5 33. Bd2 Bxe5 34. Rfb1 Ra1 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "1"]
[White "Bobotsov, Milko"]
[Black "Korchnoi, Viktor"]
[Result "0-1"]
[ECO "A17"]
[EventDate "1966.06.21"]
[PlyCount "77"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. e3 O-O 5. Be2 d5 6. O-O b6 7. d4 Bb7 8. cxd5 exd5 9. Bd2 a6 10. Ne5 Bd6 11. f4 c5 12. Be1 Nc6 13. Kh1 Ne7 14. Bd3 c4 15. Bc2 b5 16. Bh4 Ne4 17. Qg4 Qc8 18. f5 f6 19. Bxe4 dxe4 20. Nxe4 Bxe4 21. Qxe4 fxe5 22. dxe5 Bc5 23. e6 Qc6 24. Qg4 Nxf5 25. Rxf5 Rxf5 26. Qxf5 Rf8 27. Qg4 Re8 28. e7 Bxe7 29. Bxe7 Rxe7 30. Rd1 Rxe3 31. Rd8+ Re8 32. Qd4 h6 33. h3 Rxd8 34. Qxd8+ Kh7 35. Qe7 Qf6 36. Qe4+ Qg6 37. Qe1 Qc2 38. a3 Qxb2 39. Qe4+ 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "1"]
[White "Fuchs, Reinhart"]
[Black "Matulovic, Milan"]
[Result "1/2-1/2"]
[ECO "B31"]
[EventDate "1966.06.21"]
[PlyCount "81"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Nc3 e5 6. d3 Nge7 7. Be3 d6 8. Nd2 O-O 9. Bc4 a6 10. a4 h6 11. Nd5 Be6 12. Nxe7+ Qxe7 13. c3 Rad8 14. Bxe6 Qxe6 15. Qb3 Qxb3 16. Nxb3 f5 17. f3 b6 18. Rfd1 Rb8 19. Nd2 Rfd8 20. Kf1 Kf7 21. Ke2 Ke6 22. g4 f4 23. Bf2 Kd7 24. Nc4 b5 25. axb5 axb5 26. Nd2 Ra8 27. c4 bxc4 28. Nxc4 Kc7 29. Ra3 Rab8 30. Rda1 Bf6 31. Ra6 Rb5 32. Kd2 Rdb8 33. Kc1 Be7 34. Ra8 Kb7 35. Rxb8+ Kxb8 36. Kc2 Kc7 37. Ra8 Bd8 38. Kc3 Rb4 39. Kc2 Kb7 40. Ra3 Bc7 41. Rb3 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "1"]
[White "Krogius, Nikolai"]
[Black "Bradvarevic, Aleksandar"]
[Result "1-0"]
[ECO "D58"]
[EventDate "1966.06.21"]
[PlyCount "97"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. Bxf6 Bxf6 9. cxd5 exd5 10. Be2 Be6 11. O-O c5 12. Qd2 Nc6 13. dxc5 bxc5 14. Rfd1 Rb8 15. Rac1 d4 16. Ne4 dxe3 17. Qxe3 Bd4 18. Nxd4 cxd4 19. Qa3 Bd5 20. Ng3 Qf6 21. b3 Rfd8 22. Qc5 Rb6 23. h3 g6 24. Bf1 h5 25. Bc4 Bxc4 26. Rxc4 Re8 27. f3 Re5 28. Ne4 Qf4 29. Qa3 Kg7 30. Qc1 Qxc1 31. Rdxc1 Re6 32. h4 a5 33. Rc5 a4 34. bxa4 Ne5 35. Rb5 d3 36. Rd1 Rbc6 37. Nc5 Re7 38. a5 Rd6 39. a6 Rd5 40. a4 d2 41. Ne4 Rd4 42. Rb7 Re6 43. a7 Rxa4 44. Nc5 Nxf3+ 45. Kf2 Re1 46. Nxa4 Rxd1 47. Nc3 Rc1 48. a8=Q Rxc3 49. Rd7 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "1"]
[White "Sergievsky, Vladimir"]
[Black "Spassky, Boris"]
[Result "1-0"]
[ECO "A49"]
[EventDate "1966.06.21"]
[PlyCount "113"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O g6 5. b3 Bg7 6. Bb2 O-O 7. d4 d6 8. Nbd2 Nbd7 9. Ne1 Bxg2 10. Nxg2 c5 11. a4 a6 12. e4 cxd4 13. Bxd4 Qc7 14. Ne1 Qc6 15. Qe2 Rfc8 16. axb5 axb5 17. Rd1 e5 18. Bb2 Nc5 19. f3 Ra2 20. Rb1 Ne6 21. c3 Bh6 22. Nd3 Qb6+ 23. Kh1 Rxb2 24. Rxb2 Rxc3 25. Nb1 Nd4 26. Qd1 Rc8 27. Qe1 Qb7 28. Nc3 Qc7 29. Nd1 Nc2 30. Qe2 Qc6 31. Rf2 Nd4 32. Qe1 Nh5 33. Kg2 f5 34. Nb4 Qc1 35. Nd5 Rf8 36. Qf1 Qg5 37. N1c3 Nf4+ 38. Nxf4 exf4 39. Nxb5 Nxb5 40. Qxb5 Bg7 41. Qd5+ Kh8 42. Ra2 h5 43. Qxd6 fxe4 44. fxe4 f3+ 45. Rxf3 Rxf3 46. Kxf3 Qg4+ 47. Ke3 Bh6+ 48. Kf2 Qxe4 49. Re2 Qh1 50. Qd4+ Bg7 51. Qe4 Qxh2+ 52. Qg2 Bd4+ 53. Kf1 Qxg2+ 54. Kxg2 Kg7 55. b4 Kf7 56. Re4 Bb6 57. b5 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "1"]
[White "Vladimirov, Boris"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[ECO "A53"]
[EventDate "1966.06.21"]
[PlyCount "20"]

1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. f3 e5 5. d5 e4 6. g4 Nxg4 7. fxg4 Qh4+ 8. Kd2 e3+ 9. Kxe3 Qg5+ 10. Kf2 Qh4+ 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "1"]
[White "Zakharov, Igor"]
[Black "Ortega, Lexy"]
[Result "1-0"]
[ECO "B30"]
[EventDate "1966.06.21"]
[PlyCount "57"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. b3 Nf6 6. d3 g6 7. Bb2 Bg7 8. Nbd2 Nh5 9. Bxg7 Nxg7 10. a4 b5 11. Qe2 Ne6 12. Qe3 h5 13. c3 a5 14. O-O Ba6 15. axb5 cxb5 16. d4 cxd4 17. cxd4 Qb6 18. d5 Nc5 19. Qc3 O-O 20. Qxa5 Qf6 21. Qb4 Rfc8 22. Qd4 Qd6 23. Rfc1 b4 24. Qxb4 Rab8 25. Qa3 Be2 26. Nd4 Bg4 27. Nc6 Rxc6 28. dxc6 Qxd2 29. Qxc5 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "2"]
[White "Bertok, Mario"]
[Black "Bobotsov, Milko"]
[Result "1/2-1/2"]
[ECO "E61"]
[EventDate "1966.06.21"]
[PlyCount "31"]

1. c4 c5 2. Nf3 g6 3. e3 Bg7 4. d4 Nf6 5. Nc3 O-O 6. dxc5 Qa5 7. Bd2 Qxc5 8. b4 Qc7 9. Rc1 Nc6 10. Qb3 d6 11. Be2 Bf5 12. O-O Ne4 13. Nxe4 Bxe4 14. Rfd1 a5 15. b5 Bxf3 16. Bxf3 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "2"]
[White "Bradvarevic, Aleksandar"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[ECO "C93"]
[EventDate "1966.06.21"]
[PlyCount "51"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. Nf1 Bd7 13. Ng3 Na5 14. Bc2 Nc4 15. a4 c5 16. dxc5 dxc5 17. Nh2 Nd6 18. Be3 Qc7 19. Qf3 Be7 20. Nh5 Nxh5 21. Qxh5 Nc4 22. Bc1 Bf8 23. Ng4 Bxg4 24. Qxg4 Qc6 25. Rd1 Rad8 26. axb5 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "2"]
[White "Korchnoi, Viktor"]
[Black "Zakharov, Igor"]
[Result "0-1"]
[ECO "A43"]
[EventDate "1966.06.21"]
[PlyCount "82"]

1. d4 d6 2. e4 c5 3. dxc5 Qa5+ 4. Nc3 Qxc5 5. Nd5 Qa5+ 6. Bd2 Qd8 7. Bc4 e6 8. Nc3 Nf6 9. Qe2 a6 10. O-O-O Qc7 11. Nf3 Nc6 12. Bf4 Ne5 13. Bb3 Be7 14. g4 Nfxg4 15. Rhg1 g6 16. Nd4 h5 17. h3 Nf6 18. Bh2 Nc6 19. f4 Bd7 20. Nf3 O-O-O 21. Ng5 Rhf8 22. f5 Na5 23. Kb1 Nxb3 24. cxb3 gxf5 25. exf5 e5 26. Rc1 Bc6 27. b4 Kb8 28. a4 Rc8 29. Rgf1 Bd7 30. Qe3 b6 31. Ka1 Ka8 32. Rfd1 Qb7 33. Bg1 Bxf5 34. Nf3 Rc4 35. Na2 Rfc8 36. Rxc4 Rxc4 37. Nd2 Nd5 38. Qf3 Rf4 39. Qb3 Be6 40. Nc4 Rxc4 41. Qxc4 Ne3 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "2"]
[White "Krogius, Nikolai"]
[Black "Fuchs, Reinhart"]
[Result "1/2-1/2"]
[ECO "D16"]
[EventDate "1966.06.21"]
[PlyCount "59"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Na6 6. e4 Bg4 7. Bxc4 e6 8. O-O Nb4 9. Be3 Be7 10. a5 O-O 11. Be2 b6 12. h3 Bxf3 13. Bxf3 c5 14. dxc5 Bxc5 15. e5 Nfd5 16. Bxc5 bxc5 17. Qb3 Rb8 18. Qc4 Qc7 19. Rfd1 Qxe5 20. Qxc5 a6 21. Nxd5 exd5 22. Qc3 d4 23. Qd2 Rfd8 24. Re1 Qd6 25. Rac1 Rbc8 26. Rxc8 Rxc8 27. Rc1 Rxc1+ 28. Qxc1 g6 29. Qc4 d3 30. Kf1 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "2"]
[White "Matulovic, Milan"]
[Black "Antoshin, Vladimir"]
[Result "1-0"]
[ECO "C87"]
[EventDate "1966.06.21"]
[PlyCount "131"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. d4 Nd7 9. Be3 Bf6 10. Nbd2 Ne7 11. b4 Ng6 12. d5 Nf4 13. Qc2 g6 14. c4 Bg7 15. c5 f5 16. exf5 gxf5 17. Bxf4 exf4 18. Rac1 a5 19. a3 dxc5 20. bxc5 Nf6 21. Qc4 Nxd5 22. Bb3 c6 23. Qxf4 Be6 24. Bxd5 Bxd5 25. Nc4 Bxc4 26. Qxc4+ Qd5 27. Qxd5+ cxd5 28. Re7 Rf7 29. Rxf7 Kxf7 30. Rb1 Ra7 31. a4 Bf8 32. Rb5 f4 33. Kf1 Ke6 34. Ke2 Ra8 35. Nd4+ Ke5 36. Kd3 Rc8 37. Nb3 Rc7 38. Rxa5 Rg7 39. g3 fxg3 40. hxg3 Rg4 41. Ra8 Be7 42. Rh8 Rb4 43. Kc3 Rxa4 44. Rxh7 Ke6 45. f4 Bf6+ 46. Kd3 Rb4 47. Na5 Rb5 48. Nxb7 Rb3+ 49. Kd2 Rxg3 50. c6 Rc3 51. c7 Rc4 52. f5+ Ke5 53. Rd7 Bg5+ 54. Ke2 Bf4 55. Nd6 Rxc7 56. Rxc7 Kxd6 57. Rc8 Ke5 58. Kf3 Bd2 59. Rf8 Bh6 60. Rf7 d4 61. Kg4 d3 62. Re7+ Kd5 63. Kf3 d2 64. Ke2 Bg5 65. Re6 Bf4 66. Ra6 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "2"]
[White "Ortega, Lexy"]
[Black "Sergievsky, Vladimir"]
[Result "0-1"]
[ECO "B41"]
[EventDate "1966.06.21"]
[PlyCount "64"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Bd3 Nc6 7. Nxc6 dxc6 8. O-O e5 9. Qe2 Bc5 10. h3 O-O 11. Nd2 Be6 12. Nf3 Qc7 13. Bd2 Nh5 14. Kh1 f6 15. b4 Ba7 16. c5 Qf7 17. g4 Nf4 18. Bxf4 exf4 19. Nd4 Kh8 20. Nxe6 Qxe6 21. f3 Rad8 22. Bc4 Qe5 23. Rad1 Qc3 24. g5 fxg5 25. e5 Rxd1 26. Rxd1 Qxb4 27. Qe4 Qxc5 28. e6 g6 29. e7 Re8 30. Re1 Kg7 31. Qe2 Qf2 32. Qe5+ Kh6 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "2"]
[White "Polugaevsky, Lev"]
[Black "Vladimirov, Boris"]
[Result "1/2-1/2"]
[ECO "A08"]
[EventDate "1966.06.21"]
[PlyCount "71"]

1. Nf3 Nf6 2. g3 c5 3. Bg2 g6 4. O-O Bg7 5. d3 d5 6. Nbd2 O-O 7. e4 Nc6 8. Re1 h6 9. c3 dxe4 10. dxe4 Be6 11. Qe2 Nd7 12. Nc4 b5 13. Ne3 b4 14. Bd2 bxc3 15. bxc3 Rb8 16. Red1 Qa5 17. Nd5 Bg4 18. h3 Bxf3 19. Qxf3 e6 20. Ne3 Rb2 21. Nc4 Nde5 22. Nxa5 Nxf3+ 23. Bxf3 Nxa5 24. Be1 Nc4 25. a4 Ne5 26. Bg2 c4 27. Rab1 Rfb8 28. Rxb2 Rxb2 29. Bd2 Ra2 30. Be3 Rxa4 31. Rd8+ Kh7 32. f4 Nd3 33. e5 Ra1+ 34. Kh2 Ra2 35. Kg1 Ra1+ 36. Kh2 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "2"]
[White "Spassky, Boris"]
[Black "Barcza, Gedeon"]
[Result "1-0"]
[ECO "B19"]
[EventDate "1966.06.21"]
[PlyCount "85"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Bd2 e6 12. O-O-O O-O-O 13. Qe2 Bd6 14. Ne4 Be7 15. c4 Ngf6 16. Nc3 Rhe8 17. g3 Bf8 18. Kb1 Qa5 19. Ne5 Nxe5 20. dxe5 Nd7 21. Nb5 Qa6 22. Nd6+ Bxd6 23. exd6 Nb6 24. b3 Rxd6 25. Bc3 Qa3 26. Bxg7 Rxd1+ 27. Rxd1 Qc5 28. Qf3 Qf5+ 29. Qxf5 exf5 30. Rh1 Re6 31. Rh4 Kd7 32. Rf4 Nc8 33. Rxf5 Nd6 34. Rf4 Ke7 35. Kc2 Ne8 36. Bc3 b6 37. Kd3 Nd6 38. b4 f6 39. c5 bxc5 40. bxc5 Nb5 41. Bd2 Nc7 42. Ra4 Re5 43. Rxa7 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "3"]
[White "Antoshin, Vladimir"]
[Black "Krogius, Nikolai"]
[Result "1/2-1/2"]
[ECO "C85"]
[EventDate "1966.06.21"]
[PlyCount "33"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. Nc3 Bg4 8. h3 Bh5 9. g4 Bg6 10. Nxe5 Nxe4 11. Nxg6 Nxc3 12. dxc3 Qxd1 13. Rxd1 hxg6 14. Kg2 Rd8 15. Bf4 Bd6 16. Bg3 Bxg3 17. Kxg3 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "3"]
[White "Barcza, Gedeon"]
[Black "Ortega, Lexy"]
[Result "1-0"]
[ECO "E60"]
[EventDate "1966.06.21"]
[PlyCount "57"]

1. Nf3 g6 2. d4 Bg7 3. c4 Nf6 4. Nc3 d6 5. e3 Nbd7 6. Be2 O-O 7. O-O e5 8. b3 Re8 9. Qc2 exd4 10. Nxd4 Ne5 11. Bb2 Bd7 12. Rad1 a6 13. Nf3 Bf5 14. Qc1 Qc8 15. Nd5 Nxd5 16. cxd5 Bg4 17. Nd4 h5 18. f3 Bd7 19. e4 Kh7 20. f4 Ng4 21. Bf3 Qd8 22. h3 Rc8 23. Qd2 Nh6 24. Rde1 Qh4 25. Bd1 Re7 26. Nf3 Qg3 27. Ng5+ Kg8 28. Bxg7 Ng4 29. hxg4 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "3"]
[White "Bobotsov, Milko"]
[Black "Matulovic, Milan"]
[Result "0-1"]
[ECO "D25"]
[EventDate "1966.06.21"]
[PlyCount "78"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. Nc3 Nbd7 7. O-O Be7 8. e4 O-O 9. Be3 c5 10. e5 Ne8 11. dxc5 Bxc5 12. Bxc5 Nxc5 13. Qxd8 Rxd8 14. Rad1 Nc7 15. Rd6 Rxd6 16. exd6 Ne8 17. Rd1 Bxf3 18. gxf3 Nf6 19. Bb5 Rd8 20. b4 Ncd7 21. Ne4 Ne5 22. Nc5 b6 23. Nb7 Rb8 24. d7 Nexd7 25. Bxd7 Rxb7 26. Bc8 Re7 27. Bb7 Rd7 28. Rc1 g6 29. Bc6 Rd4 30. a3 Kg7 31. Kf1 Nh5 32. Ke1 Rd3 33. a4 Nf4 34. Bb5 Rxf3 35. Rc7 Nd5 36. Rxa7 Nxb4 37. Rb7 Nd5 38. Bc6 Rf4 39. Ke2 Nc3+ 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "3"]
[White "Fuchs, Reinhart"]
[Black "Bradvarevic, Aleksandar"]
[Result "1/2-1/2"]
[ECO "B65"]
[EventDate "1966.06.21"]
[PlyCount "50"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O Nxd4 9. Qxd4 O-O 10. f4 Qa5 11. Bc4 Bd7 12. e5 dxe5 13. fxe5 Bc6 14. Qf4 Nd5 15. Bxd5 Bxg5 16. Qxg5 exd5 17. Rd4 Rfe8 18. Rf1 Qc7 19. Rf5 Rxe5 20. Rxe5 f6 21. Nxd5 Qxe5 22. Qxe5 fxe5 23. Rd2 Re8 24. c4 Kf7 25. Kc2 Bxd5 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "3"]
[White "Lein, Anatoly"]
[Black "Polugaevsky, Lev"]
[Result "1-0"]
[ECO "A07"]
[EventDate "1966.06.21"]
[PlyCount "83"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. b3 e6 7. Bb2 Be7 8. Nbd2 O-O 9. Ne5 a5 10. a3 Na6 11. e3 Bh7 12. Qe2 Qb6 13. Rab1 Rfd8 14. Kh1 a4 15. b4 c5 16. b5 Nb8 17. e4 Nbd7 18. Nxd7 Rxd7 19. exd5 Nxd5 20. Nc4 Qd8 21. Ne5 Rc7 22. c4 Nb6 23. Rbd1 Nd7 24. Ng4 h5 25. Ne3 Nf6 26. f4 Rd7 27. f5 Qb6 28. Bh3 Rad8 29. fxe6 fxe6 30. Bxf6 gxf6 31. Ng2 f5 32. Nf4 Rd6 33. Rde1 Bf6 34. Qxh5 Kg7 35. g4 Rh8 36. gxf5 Bxf5 37. Rg1+ Kf8 38. Ng6+ Bxg6 39. Qxg6 e5 40. Ref1 Rxh3 41. Qg8+ Ke7 42. Rg7+ 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "3"]
[White "Sergievsky, Vladimir"]
[Black "Korchnoi, Viktor"]
[Result "0-1"]
[ECO "A07"]
[EventDate "1966.06.21"]
[PlyCount "94"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. O-O d5 5. d3 Ne7 6. e4 O-O 7. exd5 Nxd5 8. Re1 Nc6 9. Nbd2 Nde7 10. Nc4 f6 11. Bd2 a5 12. a4 Be6 13. Qc1 Qd7 14. b3 g5 15. Bc3 Ng6 16. Nfd2 b6 17. Qd1 Rae8 18. Qf3 Nce7 19. Qe2 Nc6 20. Rad1 g4 21. f3 Nd4 22. Bxd4 exd4 23. Qf2 f5 24. f4 h5 25. Bh1 Bd5 26. Bxd5+ Qxd5 27. Re2 h4 28. Rde1 Rxe2 29. Qxe2 Kf7 30. Qg2 Qxg2+ 31. Kxg2 h3+ 32. Kf2 Re8 33. Na3 Rxe1 34. Kxe1 Ne7 35. Nb5 Nd5 36. Kf2 Ke7 37. Nc4 Kd7 38. Kf1 Nb4 39. Nba3 Kc6 40. Ke2 Nd5 41. Kf2 Nc3 42. Ke1 Kc5 43. Nd2 Kb4 44. Nab1 Nd5 45. Nf1 Ne3 46. Nxe3 dxe3 47. Ke2 Bd4 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "3"]
[White "Vladimirov, Boris"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "E35"]
[EventDate "1966.06.21"]
[PlyCount "33"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. a3 Bxc3+ 9. Qxc3 c6 10. e3 O-O 11. Nf3 Bf5 12. Be2 Nd7 13. O-O Qd6 14. Rac1 Rfc8 15. Rfd1 Rc7 16. b4 Rac8 17. a4 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "3"]
[White "Zakharov, Igor"]
[Black "Bertok, Mario"]
[Result "1/2-1/2"]
[ECO "B52"]
[EventDate "1966.06.21"]
[PlyCount "30"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. Re1 e6 8. d4 cxd4 9. Nxd4 Be7 10. Bg5 O-O 11. Na3 Rfd8 12. Nac2 Rac8 13. h3 h6 14. Bh4 Ne5 15. Qe2 a6 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "4"]
[White "Bertok, Mario"]
[Black "Sergievsky, Vladimir"]
[Result "0-1"]
[ECO "A53"]
[EventDate "1966.06.21"]
[PlyCount "62"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 Be7 6. Nge2 Nc5 7. f3 a5 8. Be3 O-O 9. Qd2 Ne8 10. g4 c6 11. Ng3 Nc7 12. O-O-O N7a6 13. h4 a4 14. Kb1 Qa5 15. dxc6 Nb3 16. axb3 axb3 17. Qd5 Nc5 18. Kc1 Qa1+ 19. Nb1 Ra2 20. Rh2 bxc6 21. Qd2 Na4 22. Qf2 d5 23. exd5 Rxb2 24. Qxb2 Nxb2 25. Rxb2 Ba3 26. Rdd2 cxd5 27. c5 Be6 28. Bb5 Rb8 29. Bd3 d4 30. Bf2 Rc8 31. Ne4 Bd5 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "4"]
[White "Bradvarevic, Aleksandar"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[ECO "B53"]
[EventDate "1966.06.21"]
[PlyCount "80"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Bd7 5. Bg5 Nc6 6. Qd2 h6 7. Bh4 Nf6 8. Nc3 g5 9. Bg3 Nh5 10. Bc4 Qa5 11. Qd5 Qxd5 12. exd5 Na5 13. Be2 Rc8 14. O-O-O Bg7 15. Nd4 Nxg3 16. hxg3 Nc4 17. Rhe1 a6 18. Bf1 Kf8 19. Re4 Nb6 20. Be2 h5 21. g4 Rxc3 22. bxc3 Nxd5 23. Kb2 hxg4 24. Bc4 Nb6 25. Bb3 Rh2 26. Rg1 e5 27. Ne2 a5 28. Rd1 Ke7 29. Ng3 Rxg2 30. Re2 a4 31. Bd5 Nxd5 32. Rxd5 Bc6 33. Rdd2 Ke6 34. c4 f5 35. c3 e4 36. Rxd6+ Kxd6 37. Nxf5+ Kc5 38. Nxg7 g3 39. Ne6+ Kd6 40. Nd4 gxf2 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "4"]
[White "Fuchs, Reinhart"]
[Black "Antoshin, Vladimir"]
[Result "1/2-1/2"]
[ECO "B45"]
[EventDate "1966.06.21"]
[PlyCount "65"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 f5 9. exf6 Nxf6 10. Nd6+ Bxd6 11. Qxd6 Qb6 12. Bd3 c5 13. Bf4 Bb7 14. O-O Rc8 15. c4 Qxd6 16. Bxd6 Rc6 17. Be5 d6 18. Bc3 Kf7 19. f4 Rd8 20. Rae1 d5 21. f5 d4 22. fxe6+ Rxe6 23. Rxe6 Kxe6 24. Ba5 Re8 25. Re1+ Kf7 26. Rxe8 Kxe8 27. Kf2 Ng4+ 28. Ke2 g6 29. Bc7 Kd7 30. Bb8 Bxg2 31. Bxa7 Kc6 32. Bb8 Ne3 33. Kd2 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "4"]
[White "Korchnoi, Viktor"]
[Black "Barcza, Gedeon"]
[Result "1-0"]
[ECO "A40"]
[EventDate "1966.06.21"]
[PlyCount "69"]

1. c4 e6 2. d4 Bb4+ 3. Nc3 c5 4. d5 d6 5. e4 Nf6 6. Bd3 Nbd7 7. Nge2 e5 8. O-O Bxc3 9. Nxc3 O-O 10. g3 Ne8 11. Kh1 f6 12. f4 Rf7 13. Qe2 Nf8 14. Bd2 Qe7 15. Rae1 Rb8 16. a3 b6 17. Rf2 Rb7 18. Nd1 Qd8 19. Ne3 Rbe7 20. f5 Rb7 21. h4 Bd7 22. g4 h6 23. Rh2 Nh7 24. Rg1 Kf8 25. Ng2 Qb8 26. b4 Ke7 27. Ne1 Kd8 28. Nf3 Kc8 29. g5 fxg5 30. hxg5 Nxg5 31. Nxg5 hxg5 32. Rh8 Kc7 33. Bxg5 Nf6 34. Rxb8 Rxb8 35. Rg2 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "4"]
[White "Krogius, Nikolai"]
[Black "Bobotsov, Milko"]
[Result "1/2-1/2"]
[ECO "E63"]
[EventDate "1966.06.21"]
[PlyCount "62"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 8. h3 Bd7 9. e4 e5 10. d5 Ne7 11. c5 Ne8 12. Be3 f5 13. Qd2 Nf6 14. Ng5 Nh5 15. exf5 Nxf5 16. Ne6 Bxe6 17. dxe6 Nxe3 18. Qxe3 c6 19. cxd6 Qxd6 20. Qb6 e4 21. Nxe4 Qxe6 22. Qxb7 Rab8 23. Qxa6 Rxb2 24. Ng5 Qf5 25. Qc4+ Kh8 26. Ne6 Rc2 27. Nxg7 Nxg7 28. Qe4 Qc5 29. Qe3 Rfxf2 30. Qxf2 Rxf2 31. Rxf2 Nf5 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "4"]
[White "Matulovic, Milan"]
[Black "Zakharov, Igor"]
[Result "1/2-1/2"]
[ECO "B35"]
[EventDate "1966.06.21"]
[PlyCount "150"]

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Be3 Nf6 6. Nd2 cxd4 7. Nb3 Qd8 8. Nxd4 Nc6 9. Bc4 O-O 10. Bb3 b6 11. f3 Bb7 12. Qd2 Na5 13. O-O-O Nxb3+ 14. axb3 d5 15. e5 Ne8 16. f4 Nc7 17. h4 Bc8 18. Qe2 h5 19. f5 Bxe5 20. Nc6 Qd6 21. Nxe5 Qxe5 22. Qd2 Qxf5 23. Rhf1 Qg4 24. Bh6 Re8 25. Nxd5 Nxd5 26. Qxd5 Bf5 27. Rf4 Qe2 28. Rd2 Qe1+ 29. Rd1 Qe2 30. Rd2 Qe1+ 31. Rd1 Qe6 32. Qxe6 Bxe6 33. Rfd4 Rac8 34. Kd2 Red8 35. Rxd8+ Rxd8+ 36. Ke1 Rc8 37. c4 f6 38. Be3 Kf7 39. Bf4 Rc6 40. Rd8 Bc8 41. Kd2 e5 42. Be3 Ke7 43. Rg8 Rd6+ 44. Ke1 Rd3 45. Ke2 Bf5 46. Rg7+ Ke6 47. Rxa7 Rxb3 48. Ra6 Rxb2+ 49. Kf3 Bg4+ 50. Kg3 Kd7 51. Rxb6 Re2 52. Bc5 f5 53. Kh2 f4 54. Kg1 Bf5 55. Rd6+ Kc7 56. Kf1 Re4 57. Rd5 Kc6 58. Bf8 Re3 59. Kg1 Bd3 60. Kh2 Bf1 61. Rd6+ Kb7 62. Rxg6 Bxc4 63. Bd6 Re2 64. Kg1 Re1+ 65. Kh2 Re2 66. Kg1 e4 67. Bxf4 e3 68. Rg5 Re1+ 69. Kh2 e2 70. Bg3 Rf1 71. Rxh5 e1=Q 72. Bxe1 Rxe1 73. Rc5 Re4 74. h5 Kb6 75. Rg5 Kc6 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "4"]
[White "Ortega, Lexy"]
[Black "Vladimirov, Boris"]
[Result "0-1"]
[ECO "B46"]
[EventDate "1966.06.21"]
[PlyCount "90"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. a3 a6 7. g3 Nf6 8. Bg2 Be7 9. O-O O-O 10. Nde2 Rd8 11. Nf4 b5 12. Re1 d6 13. Be3 Bb7 14. Qe2 Rac8 15. Rad1 Ne5 16. Bc1 Nfd7 17. Nd3 Bf6 18. Bf4 Nc4 19. Nb1 Bxb2 20. Nxb2 Nxb2 21. Bxd6 Qc6 22. Rd4 e5 23. Rd5 Qxc2 24. Rd2 Qc6 25. Rxb2 Qxd6 26. Rd2 Qe7 27. Bh3 Rb8 28. Red1 Nb6 29. Qh5 Rxd2 30. Rxd2 Bxe4 31. Nc3 g6 32. Qd1 Ba8 33. Bg2 Bxg2 34. Kxg2 Qb7+ 35. Kg1 Kg7 36. h4 Rc8 37. Rd3 h5 38. Qe1 Qc7 39. Kh2 Nc4 40. Nd5 Qc5 41. Nb4 a5 42. Rd5 Qb6 43. Nd3 Rd8 44. Rxd8 Qxd8 45. Qe2 Qd4 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "4"]
[White "Spassky, Boris"]
[Black "Lein, Anatoly"]
[Result "1-0"]
[ECO "C79"]
[EventDate "1966.06.21"]
[PlyCount "63"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bg4 6. h3 Bh5 7. c3 Nf6 8. d4 b5 9. Bb3 Be7 10. Be3 O-O 11. Nbd2 Na5 12. Bc2 exd4 13. cxd4 c5 14. g4 Bg6 15. d5 Re8 16. Re1 h5 17. Nh2 hxg4 18. hxg4 Nd7 19. f4 Bf6 20. Rb1 c4 21. f5 Bh7 22. Ndf3 b4 23. g5 Be5 24. Ng4 Rc8 25. Kg2 b3 26. axb3 cxb3 27. Bxb3 Bxb2 28. Rxb2 Rxe4 29. Nd4 Nc5 30. Bc2 Nc4 31. Bxe4 Nxb2 32. Qf3 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "5"]
[White "Antoshin, Vladimir"]
[Black "Bradvarevic, Aleksandar"]
[Result "1-0"]
[ECO "D05"]
[EventDate "1966.06.21"]
[PlyCount "47"]

1. Nf3 e6 2. b3 d5 3. Bb2 Nf6 4. e3 Be7 5. d4 O-O 6. Bd3 c5 7. Nbd2 Nc6 8. a3 a6 9. O-O b5 10. dxc5 Bxc5 11. e4 Bb7 12. e5 Nd7 13. Qe2 Ba7 14. b4 Nb6 15. Rae1 Nc4 16. Bc1 Bb8 17. Nxc4 bxc4 18. Bxh7+ Kh8 19. Ng5 g6 20. Qg4 Nxe5 21. Qh4 Kg7 22. f4 Ba7+ 23. Kh1 Nd7 24. f5 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "5"]
[White "Barcza, Gedeon"]
[Black "Bertok, Mario"]
[Result "1/2-1/2"]
[ECO "D94"]
[EventDate "1966.06.21"]
[PlyCount "76"]

1. Nf3 g6 2. d4 Nf6 3. c4 Bg7 4. Nc3 d5 5. e3 O-O 6. b4 c6 7. Bb2 Be6 8. Nd2 Nbd7 9. Be2 dxc4 10. Nxc4 Bxc4 11. Bxc4 e5 12. dxe5 Nxe5 13. Be2 Qe7 14. Qb3 Rfd8 15. Rd1 Rxd1+ 16. Nxd1 Ne4 17. Nc3 Nxc3 18. Bxc3 Nd7 19. Bxg7 Kxg7 20. O-O Nb6 21. Rd1 Rd8 22. Qb2+ Kg8 23. Rxd8+ Qxd8 24. g3 Qd5 25. h4 Nd7 26. Qc2 Nf6 27. a3 Qe5 28. Qd3 Kg7 29. Bf3 h6 30. Bd1 a5 31. bxa5 Qxa5 32. a4 Qb4 33. Bc2 b6 34. Kg2 Qc5 35. Bb3 Qb4 36. Bc2 Qc5 37. Bb3 Qb4 38. Bc2 Qc5 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "5"]
[White "Bobotsov, Milko"]
[Black "Fuchs, Reinhart"]
[Result "1/2-1/2"]
[ECO "A29"]
[EventDate "1966.06.21"]
[PlyCount "54"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Bg2 O-O 5. Nf3 Re8 6. O-O e4 7. Nd4 Nc6 8. Nc2 Bxc3 9. bxc3 d5 10. cxd5 Qxd5 11. d4 Qh5 12. c4 a6 13. Bf4 b5 14. f3 bxc4 15. Bxc7 Bh3 16. g4 Qh6 17. Qc1 Qxc1 18. Rfxc1 Bxg2 19. Kxg2 Nd5 20. Bg3 Ra7 21. fxe4 Rxe4 22. Kf3 Rae7 23. Be5 f5 24. gxf5 Nxe5+ 25. Kxe4 Nc3+ 26. Ke3 Nd3+ 27. Kd2 Ne4+ 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "5"]
[White "Lein, Anatoly"]
[Black "Ortega, Lexy"]
[Result "1-0"]
[ECO "B30"]
[EventDate "1966.06.21"]
[PlyCount "83"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nf6 5. Re1 d5 6. exd5 Nxd5 7. Ne5 Qc7 8. Na3 Be7 9. Nxc6 bxc6 10. Bf1 O-O 11. Nc4 Ba6 12. d3 Bf6 13. c3 Rfd8 14. Qc2 Rab8 15. g3 Rd7 16. Bd2 Rbd8 17. Rad1 h6 18. Bc1 Bb5 19. Re4 Kh8 20. Rde1 Nb6 21. Be3 Kg8 22. Bxc5 Bxc4 23. dxc4 Rd2 24. Qb3 Nd7 25. Be3 Rb8 26. Bxd2 Rxb3 27. axb3 Nc5 28. R4e2 Nxb3 29. Be3 c5 30. Rd1 a5 31. Bf4 e5 32. Be3 a4 33. Bg2 Qa5 34. Rd7 a3 35. bxa3 Qxc3 36. Bd5 Nd4 37. Bxd4 cxd4 38. Kg2 Qxa3 39. Rxf7 Kh7 40. Be4+ Kg8 41. Rb7 Be7 42. Bd5+ 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "5"]
[White "Polugaevsky, Lev"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "A07"]
[EventDate "1966.06.21"]
[PlyCount "82"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. d3 Bf5 5. O-O e6 6. b3 Be7 7. Bb2 O-O 8. Nbd2 h6 9. e3 a5 10. a4 Nbd7 11. Qe2 Bh7 12. e4 Qb8 13. Kh1 Rc8 14. Nh4 b5 15. f4 bxa4 16. Rxa4 Nc5 17. Ra2 dxe4 18. dxe4 Qb5 19. c4 Qb7 20. f5 Nxb3 21. e5 Nd7 22. Ne4 Nbc5 23. fxe6 Nxe6 24. Nd6 Bxd6 25. exd6 Ndc5 26. Nf5 Bxf5 27. Rxf5 Rd8 28. Qd1 Qb8 29. Ba3 Rxd6 30. Qg1 Nb3 31. Bxd6 Qxd6 32. Qb6 Rb8 33. Qa7 f6 34. Rf1 Ned4 35. Re1 Kf8 36. c5 Nxc5 37. Qxa5 Nd3 38. Rf1 Ne5 39. Qa7 Nb5 40. Qe3 Rd8 41. Ra6 Nc7 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "5"]
[White "Sergievsky, Vladimir"]
[Black "Matulovic, Milan"]
[Result "1/2-1/2"]
[ECO "A32"]
[EventDate "1966.06.21"]
[PlyCount "39"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 e6 6. e3 Bb4 7. Ndb5 O-O 8. a3 Bxc3+ 9. Nxc3 d5 10. Be2 dxc4 11. Qxd8 Rxd8 12. Bxc4 Ne5 13. Be2 Nd3+ 14. Bxd3 Rxd3 15. Ke2 Rd7 16. f3 Nd5 17. Nxd5 Rxd5 18. Rd1 Rxd1 19. Kxd1 Bd7 20. Bd2 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "5"]
[White "Vladimirov, Boris"]
[Black "Korchnoi, Viktor"]
[Result "0-1"]
[ECO "E16"]
[EventDate "1966.06.21"]
[PlyCount "114"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Bxd2+ 4. Qxd2 Nf6 5. Nc3 O-O 6. Nf3 d6 7. g3 b6 8. Bg2 Bb7 9. O-O Nbd7 10. Rfd1 Ne4 11. Nxe4 Bxe4 12. Ne1 Bxg2 13. Nxg2 f5 14. Nf4 Qe7 15. d5 e5 16. Ne6 Rfc8 17. e4 fxe4 18. Ng5 Nc5 19. Re1 Rf8 20. Nxe4 Nxe4 21. Rxe4 Rf3 22. Rae1 Raf8 23. R1e2 Qf7 24. R4e3 Rf5 25. Qc2 Qf6 26. Re4 Rf7 27. Qd2 g5 28. Kg2 Qg6 29. Qc2 g4 30. Kg1 Kg7 31. h4 gxh3 32. Rh4 Rh5 33. Qxg6+ hxg6 34. Rxh5 gxh5 35. Kh2 Rf3 36. Rd2 Kf6 37. Kxh3 Kg5 38. Kg2 Kg4 39. Kf1 e4 40. Kg2 Kf5 41. Rd1 Ke5 42. Rh1 Rf5 43. g4 hxg4 44. Rh7 Rf3 45. Rxc7 g3 46. fxg3 Kd4 47. Re7 Rf8 48. Re6 e3 49. Rxd6 Rf2+ 50. Kh3 Rxb2 51. g4 Rxa2 52. Re6 e2 53. Kh4 Kxc4 54. d6 Rd2 55. g5 a5 56. Kh5 Rxd6 57. Rxe2 b5 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "5"]
[White "Zakharov, Igor"]
[Black "Krogius, Nikolai"]
[Result "1/2-1/2"]
[ECO "D01"]
[EventDate "1966.06.21"]
[PlyCount "26"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 c5 4. Bxf6 gxf6 5. e3 Nc6 6. Qh5 e6 7. O-O-O f5 8. dxc5 Bxc5 9. e4 fxe4 10. Nxe4 Bd4 11. Rxd4 Nxd4 12. Qe5 dxe4 13. Qxh8+ Ke7 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "6"]
[White "Antoshin, Vladimir"]
[Black "Bobotsov, Milko"]
[Result "1-0"]
[ECO "E14"]
[EventDate "1966.06.21"]
[PlyCount "39"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Nc3 Be7 6. Bd3 d5 7. b3 O-O 8. O-O c5 9. Bb2 Nc6 10. Rc1 Rc8 11. Qe2 cxd4 12. exd4 g6 13. Qe3 Re8 14. h3 Bf8 15. Rfe1 Bg7 16. Ba3 e5 17. Nxd5 Nxd5 18. cxd5 Nxd4 19. Nxd4 Rxc1 20. Bxc1 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "6"]
[White "Bertok, Mario"]
[Black "Vladimirov, Boris"]
[Result "0-1"]
[ECO "A16"]
[EventDate "1966.06.21"]
[PlyCount "66"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 Nc6 7. Rb1 Bf5 8. d3 Qd7 9. Re1 Bh3 10. Bh1 Bg4 11. b4 Nh5 12. Nd5 h6 13. b5 Nd8 14. e4 e5 15. Ne3 Bh3 16. d4 exd4 17. Nxd4 Nf6 18. Bb2 Ng4 19. Nd5 Ne6 20. f4 Rae8 21. Bf3 h5 22. f5 Ng5 23. Nf4 Ne5 24. Be2 gxf5 25. exf5 Nxc4 26. Ba1 Ne3 27. Qd3 Nxf5 28. Bxh5 Rxe1+ 29. Rxe1 Re8 30. Rxe8+ Qxe8 31. Nxh3 Qe1+ 32. Kg2 Ne3+ 33. Qxe3 Qxe3 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "6"]
[White "Bradvarevic, Aleksandar"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "B85"]
[EventDate "1966.06.21"]
[PlyCount "53"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. O-O a6 8. f4 Qc7 9. Be3 Nc6 10. Qe1 Bd7 11. Qg3 O-O 12. Rad1 Rac8 13. Kh1 Kh8 14. Nxc6 Bxc6 15. Bd4 b5 16. a3 Qb7 17. Bd3 Rfd8 18. Rde1 a5 19. Qh3 b4 20. axb4 axb4 21. Bxf6 gxf6 22. Nd5 Rg8 23. Ra1 Rce8 24. Nxe7 Rxe7 25. Qh6 f5 26. Qf6+ Rg7 27. Rf3 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "6"]
[White "Fuchs, Reinhart"]
[Black "Zakharov, Igor"]
[Result "1/2-1/2"]
[ECO "B27"]
[EventDate "1966.06.21"]
[PlyCount "34"]

1. e4 c5 2. Nf3 g6 3. Bc4 Bg7 4. c3 e6 5. d4 cxd4 6. O-O Ne7 7. cxd4 d5 8. exd5 Nxd5 9. Bg5 Bf6 10. Bxf6 Nxf6 11. Nc3 O-O 12. Qd2 Nc6 13. Rad1 Kg7 14. Qf4 Ne7 15. Qe5 Nc6 16. Qf4 Ne7 17. Qe5 Nc6 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "6"]
[White "Korchnoi, Viktor"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[ECO "A22"]
[EventDate "1966.06.21"]
[PlyCount "84"]

1. c4 e5 2. Nc3 Nf6 3. g3 Bb4 4. Qb3 Nc6 5. Nd5 Bd6 6. e3 Nxd5 7. cxd5 Ne7 8. Ne2 c6 9. Nc3 Nxd5 10. Nxd5 cxd5 11. Qxd5 Qe7 12. Bg2 Rb8 13. O-O b6 14. Qb5 O-O 15. d4 e4 16. Bd2 Bb7 17. Rfc1 Bc6 18. Qa6 Ra8 19. a3 h5 20. Qc4 Qe6 21. Qxe6 fxe6 22. Bb4 Bxb4 23. axb4 a5 24. b5 Bd5 25. Rc7 Rfd8 26. Bf1 Kf7 27. Rac1 Ke7 28. Be2 g6 29. Bc4 Rdb8 30. Be2 Kd6 31. h4 Rf8 32. R7c3 a4 33. Kg2 Bb3 34. g4 hxg4 35. Bxg4 Rh8 36. Kg3 Bd5 37. Be2 Rhf8 38. Bd1 Bb3 39. Bxb3 axb3 40. Rxb3 Rf3+ 41. Kg2 Raf8 42. Rc2 R3f5 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "6"]
[White "Krogius, Nikolai"]
[Black "Sergievsky, Vladimir"]
[Result "1-0"]
[ECO "A56"]
[EventDate "1966.06.21"]
[PlyCount "75"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Nf3 Nbd7 7. Bd3 Nf8 8. g3 Ng6 9. h4 Bg4 10. Be2 h6 11. Nd2 Bd7 12. Nf1 Bf8 13. Ne3 Ne7 14. a3 h5 15. f3 g6 16. Nc2 Bg7 17. Be3 Nfg8 18. Qd2 Nh6 19. O-O-O a6 20. Kb1 f5 21. Rhg1 Nf7 22. Bd3 Qc7 23. Qe2 Rb8 24. Bd2 fxe4 25. Nxe4 b5 26. Rc1 bxc4 27. Bxc4 Qb7 28. Bc3 Nxd5 29. Ne3 Bb5 30. Rgd1 Nxe3 31. Bxf7+ Qxf7 32. Nxd6+ Kf8 33. Qxe3 Qb3 34. Qxc5 Kg8 35. Nxb5 Rxb5 36. Qc6 Kh7 37. Rd7 Rg8 38. Qxa6 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "6"]
[White "Matulovic, Milan"]
[Black "Barcza, Gedeon"]
[Result "1-0"]
[ECO "C61"]
[EventDate "1966.06.21"]
[PlyCount "65"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. O-O g6 6. f4 Bg7 7. f5 gxf5 8. Qf3 Qh4 9. Qxf5 Nh6 10. Qf4 Qxf4 11. Rxf4 Be5 12. Rf1 f6 13. d3 Nf7 14. Nd2 c6 15. Bc4 Ng5 16. h4 Ne6 17. Nf3 Bg3 18. Bd2 Ke7 19. Be1 Bxe1 20. Raxe1 c5 21. e5 Rf8 22. exf6+ Rxf6 23. Ng5 Rxf1+ 24. Rxf1 h6 25. Rf7+ Kd6 26. Ne4+ Kc6 27. Bxe6 dxe6 28. Rf8 b6 29. g4 Kd7 30. g5 hxg5 31. hxg5 Bb7 32. Rf7+ Kc6 33. g6 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "6"]
[White "Ortega, Lexy"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[ECO "B41"]
[EventDate "1966.06.21"]
[PlyCount "70"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be3 Bb4 8. Bd3 Bxc3+ 9. bxc3 d6 10. O-O Nbd7 11. Nb3 O-O 12. Nd2 b6 13. Rb1 Nc5 14. Bc2 Bb7 15. f3 Rac8 16. Qe1 e5 17. g4 a5 18. Qh4 Nfd7 19. Rf2 Rfe8 20. g5 Nf8 21. Kh1 Bc6 22. Nf1 Ng6 23. Qg3 Rb8 24. h4 Ne6 25. Qh2 b5 26. Ng3 bxc4 27. Rd1 Ngf4 28. Nf5 d5 29. h5 dxe4 30. Nd6 Red8 31. Nxe4 Rxd1+ 32. Bxd1 Rb1 33. Rf1 Bxe4 34. fxe4 Qb7 35. Bxf4 Nxf4 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "7"]
[White "Barcza, Gedeon"]
[Black "Krogius, Nikolai"]
[Result "0-1"]
[ECO "A16"]
[EventDate "1966.06.21"]
[PlyCount "54"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d3 c5 6. Rb1 Nc6 7. a3 e6 8. e4 d5 9. cxd5 exd5 10. Nge2 dxe4 11. dxe4 Qxd1+ 12. Nxd1 Re8 13. f3 b6 14. Bd2 Ba6 15. Nf2 Rad8 16. Rd1 Nd7 17. Bc1 f5 18. Nc3 Nd4 19. Bg5 Ne5 20. Rxd4 cxd4 21. Na2 Rc8 22. Nb4 Bb5 23. a4 fxe4 24. axb5 exf3 25. O-O fxg2 26. Kxg2 Rc5 27. Ne4 Nf7 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "7"]
[White "Bobotsov, Milko"]
[Black "Bradvarevic, Aleksandar"]
[Result "1-0"]
[ECO "D37"]
[EventDate "1966.06.21"]
[PlyCount "115"]

1. c4 e6 2. d4 Nf6 3. Nf3 d5 4. Nc3 Be7 5. e3 O-O 6. Bd3 dxc4 7. Bxc4 c5 8. O-O a6 9. a4 Nc6 10. Qe2 cxd4 11. Rd1 e5 12. exd4 exd4 13. Bf4 Bg4 14. h3 Bxf3 15. Qxf3 Bd6 16. Ne2 Qc7 17. Rac1 Bxf4 18. Qxf4 Qxf4 19. Nxf4 Rfd8 20. Nd3 Rac8 21. Kf1 Kf8 22. Re1 Rc7 23. Ba2 Re7 24. Rxe7 Kxe7 25. b4 Nd5 26. Bxd5 Rxd5 27. Ke2 Kd6 28. Kd2 b6 29. g4 f6 30. f4 Kd7 31. Ra1 a5 32. b5 Nd8 33. Rc1 Nb7 34. Rc6 Rd6 35. Rc4 Nd8 36. Ke2 Ne6 37. Kf3 Nc7 38. h4 Ne6 39. Ke4 h5 40. gxh5 Nc7 41. Kf5 Nd5 42. Kg6 Nb4 43. Nxb4 axb4 44. Rxb4 Ke6 45. Rb1 Rd7 46. Re1+ Kd5 47. h6 gxh6 48. Kxf6 d3 49. f5 d2 50. Rd1 Kc4 51. Ke6 Rd4 52. f6 Kd3 53. f7 Rf4 54. a5 bxa5 55. b6 Re4+ 56. Kf6 Rf4+ 57. Kg7 Rg4+ 58. Kh8 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "7"]
[White "Lein, Anatoly"]
[Black "Bertok, Mario"]
[Result "1-0"]
[ECO "E61"]
[EventDate "1966.06.21"]
[PlyCount "89"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nc3 O-O 5. d4 c5 6. e3 Nc6 7. Nge2 d6 8. O-O Bd7 9. b3 Rb8 10. Bb2 a6 11. Qd2 cxd4 12. exd4 b5 13. cxb5 axb5 14. d5 Na5 15. Nd4 Qb6 16. Rfe1 Rfe8 17. Nd1 e5 18. dxe6 fxe6 19. Rc1 e5 20. Nc2 b4 21. Nde3 Be6 22. Nd5 Bxd5 23. Bxd5+ Kh8 24. Bg2 Ng4 25. Qe2 Nf6 26. Ne3 Rbc8 27. Rcd1 Red8 28. Rd2 Nc6 29. Nc4 Qc7 30. Red1 Nd4 31. Bxd4 exd4 32. Rxd4 d5 33. Bxd5 Qc5 34. Ne3 Qe7 35. Bf3 Re8 36. Qb5 Rb8 37. Qd3 Qa7 38. Qb1 Rf8 39. Qc2 Bh6 40. Nc4 Qc5 41. Kg2 Rbe8 42. Rd6 Bg7 43. Rc6 Qa7 44. Nd6 Re7 45. Nc8 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "7"]
[White "Polugaevsky, Lev"]
[Black "Korchnoi, Viktor"]
[Result "1-0"]
[ECO "A17"]
[EventDate "1966.06.21"]
[PlyCount "61"]

1. c4 e6 2. Nc3 Nf6 3. Nf3 Bb4 4. Qb3 c5 5. a3 Ba5 6. g3 Nc6 7. Bg2 d5 8. O-O Bxc3 9. Qxc3 d4 10. Qc2 a5 11. d3 O-O 12. Bf4 Qe7 13. Ne5 Nxe5 14. Bxe5 Nh5 15. e3 f6 16. Qe2 g6 17. g4 Ng7 18. Bg3 a4 19. exd4 cxd4 20. f4 Qc5 21. Be1 Rd8 22. Bb4 Qc7 23. Qf2 Rb8 24. Qh4 Qf7 25. Rae1 b6 26. f5 g5 27. fxe6 Nxe6 28. Qh6 Nf4 29. Rxf4 gxf4 30. Qxf4 Bxg4 31. Bd5 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "7"]
[White "Sergievsky, Vladimir"]
[Black "Fuchs, Reinhart"]
[Result "1/2-1/2"]
[ECO "D45"]
[EventDate "1966.06.21"]
[PlyCount "79"]

1. c4 Nf6 2. d4 c6 3. Nc3 d5 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. Bd2 O-O 8. cxd5 exd5 9. Bd3 Re8 10. O-O-O Qe7 11. Kb1 Ne4 12. Bc1 Ndf6 13. Rdf1 b6 14. Ng1 c5 15. Nxe4 dxe4 16. Bb5 Bd7 17. Bxd7 Qxd7 18. dxc5 Rac8 19. Ne2 Rxc5 20. Nc3 Be5 21. Rd1 Qg4 22. g3 h6 23. Rd2 Rec8 24. h3 Qf3 25. Qd1 Bxc3 26. bxc3 Nd5 27. Bb2 Nxc3+ 28. Bxc3 Rxc3 29. Qxf3 exf3 30. Rhd1 R8c7 31. Rd7 Rc1+ 32. Rxc1 Rxd7 33. Rc8+ Kh7 34. Kc2 g5 35. a4 Kg7 36. a5 bxa5 37. Rc5 a4 38. Ra5 Rc7+ 39. Kd3 Rb7 40. Ke4 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "7"]
[White "Spassky, Boris"]
[Black "Ortega, Lexy"]
[Result "1-0"]
[ECO "B30"]
[EventDate "1966.06.21"]
[PlyCount "73"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 d5 6. exd5 Nxd5 7. Bxc6+ bxc6 8. d3 Be7 9. Nbd2 O-O 10. Nc4 f6 11. Nfd2 e5 12. Ne4 Be6 13. b3 Qd7 14. Ba3 Nb4 15. Qd2 Rab8 16. Qe2 Rfd8 17. Kh1 Qe8 18. f3 Rd7 19. Qf2 Qd8 20. Bc1 Na6 21. f4 Bxc4 22. dxc4 exf4 23. Bxf4 Rc8 24. Be3 Qf8 25. Qf5 Rcd8 26. a3 Bd6 27. Nxd6 Qxd6 28. Bf4 Qd4 29. Qe6+ Kf8 30. Bg3 Nc7 31. Qxc6 Qxa1 32. Qxc5+ Kg8 33. Rxa1 Rd1+ 34. Rxd1 Rxd1+ 35. Qg1 Rxg1+ 36. Kxg1 Ne6 37. c5 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "7"]
[White "Vladimirov, Boris"]
[Black "Matulovic, Milan"]
[Result "1/2-1/2"]
[ECO "D24"]
[EventDate "1966.06.21"]
[PlyCount "108"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. e4 b5 6. e5 Nd5 7. a4 Bb7 8. e6 f6 9. Ne4 Nb4 10. Nc5 Bxf3 11. gxf3 N8c6 12. Be3 Nxd4 13. Bxd4 Qxd4 14. Qxd4 Nc2+ 15. Kd2 Nxd4 16. Kc3 Nb3 17. Nxb3 cxb3 18. axb5 a5 19. b6 O-O-O 20. Ba6+ Kb8 21. bxc7+ Kxc7 22. Rxa5 g6 23. Bc4 Bh6 24. Ra7+ Kc6 25. Rxe7 Rd2 26. Ra1 Rc2+ 27. Kxb3 Rxf2 28. Ra6+ Kc5 29. Rc7+ Kd4 30. Rd6+ Ke5 31. Rd5+ Kf4 32. e7 Rb8+ 33. Bb5 Re2 34. Kc3 Re1 35. Kd2 Re6 36. Kd1 Kxf3 37. e8=Q Rexe8 38. Bxe8 Rxe8 39. Rxh7 Bf4 40. Rd3+ Kf2 41. b4 Rc8 42. Rd2+ Bxd2 43. Kxd2 Rc4 44. Rh6 Rxb4 45. Rxg6 f5 46. Rf6 f4 47. h4 f3 48. h5 Rd4+ 49. Kc2 Ke2 50. Re6+ Kf1 51. h6 Rd7 52. Rg6 f2 53. Rg7 Rxg7 54. hxg7 Ke2 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "7"]
[White "Zakharov, Igor"]
[Black "Antoshin, Vladimir"]
[Result "1/2-1/2"]
[ECO "C01"]
[EventDate "1966.06.21"]
[PlyCount "145"]

1. d4 d5 2. Nc3 e6 3. e4 Bb4 4. exd5 exd5 5. Qf3 Qe7+ 6. Qe3 Nc6 7. Bb5 Bf5 8. Qxe7+ Ngxe7 9. Bf4 Bxc2 10. Bxc7 Rc8 11. Bf4 a6 12. Bxc6+ Nxc6 13. Nge2 Bd3 14. O-O-O Bxe2 15. Rhe1 Kd7 16. Rxe2 Bxc3 17. bxc3 Rhe8 18. Rxe8 Rxe8 19. Kd2 Na5 20. Kd3 Nc4 21. Rb1 Kc6 22. h3 Re7 23. Bg5 Re6 24. Bf4 b5 25. Ra1 Kb6 26. Rb1 Ka5 27. Rb4 Re7 28. Bg5 f6 29. Bd2 g5 30. Be3 h6 31. h4 gxh4 32. Rb1 Rg7 33. Rh1 Rg4 34. Rh2 Ka4 35. f3 Rg6 36. Bc1 h5 37. Rxh4 Rxg2 38. Rxh5 Rxa2 39. Rxd5 Kb3 40. Rf5 Rc2 41. Bf4 Nb2+ 42. Ke4 Na4 43. d5 Kc4 44. Rxf6 Nc5+ 45. Kf5 Rxc3 46. Kg4 Kxd5 47. Bd2 Rd3 48. Bc1 a5 49. Rb6 Kc4 50. f4 Nd7 51. Ra6 a4 52. f5 Kb3 53. f6 b4 54. Bf4 Rd4 55. Kf5 Nxf6 56. Rxf6 a3 57. Ra6 a2 58. Be5 Rc4 59. Bg7 Rc7 60. Bh8 Rh7 61. Ba1 Rh1 62. Bg7 Rh4 63. Ba1 Rh2 64. Ke4 Kc4 65. Ke3 b3 66. Ra4+ Kb5 67. Ra8 b2 68. Bxb2 Rxb2 69. Kd3 Kb4 70. Rb8+ Kc5 71. Rc8+ Kb6 72. Ra8 Kb7 73. Ra5 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "8"]
[White "Antoshin, Vladimir"]
[Black "Sergievsky, Vladimir"]
[Result "1-0"]
[ECO "D46"]
[EventDate "1966.06.21"]
[PlyCount "85"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Bd6 6. Bd3 Nbd7 7. e4 dxc4 8. Bxc4 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Qxd8+ Kxd8 12. Bxf7 Rf8 13. Bc4 Bxc3+ 14. bxc3 Nxe4 15. O-O b5 16. Bd3 Nxc3 17. Bb2 Nd5 18. Bxh7 Be6 19. Rfe1 Kd7 20. Re5 Bg8 21. Rg5 Rf7 22. Bf5+ Kc7 23. Bxg7 Re8 24. h4 Nf6 25. g4 Ne4 26. Bxe4 Rxe4 27. Be5+ Kb6 28. Rxg8 Rxe5 29. h5 Re2 30. Rf1 Rxa2 31. h6 Rd2 32. g5 Rf4 33. Kg2 Rh4 34. Kg3 Rh5 35. Kg4 Rh2 36. f4 a5 37. f5 Rd4+ 38. Rf4 Rxf4+ 39. Kxf4 a4 40. Kg3 Rh1 41. f6 a3 42. f7 a2 43. Ra8 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "8"]
[White "Bertok, Mario"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[ECO "E05"]
[EventDate "1966.06.21"]
[PlyCount "27"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Be7 6. Qc2 a6 7. a4 Nbd7 8. Nbd2 c5 9. dxc5 Nxc5 10. Nxc4 Nd5 11. O-O O-O 12. Bd2 a5 13. Rfd1 Qc7 14. Nd4 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "8"]
[White "Bobotsov, Milko"]
[Black "Zakharov, Igor"]
[Result "1-0"]
[ECO "E91"]
[EventDate "1966.06.21"]
[PlyCount "63"]

1. c4 Nf6 2. Nc3 c6 3. Nf3 g6 4. e4 d6 5. d4 Bg7 6. Be2 O-O 7. O-O a6 8. a4 a5 9. h3 Nfd7 10. Be3 Na6 11. Nd2 e5 12. d5 f5 13. f3 Nb4 14. exf5 gxf5 15. f4 Bh6 16. Nb3 exf4 17. Bxf4 Bxf4 18. Rxf4 Ne5 19. dxc6 bxc6 20. Qd2 Ra7 21. Rd1 Rg7 22. Qxd6 Qg5 23. Rf2 f4 24. Ne4 Qf5 25. Nbc5 h5 26. Rdf1 Kh7 27. Bxh5 Qxh5 28. Qxf8 Qg6 29. Nf6+ Kh6 30. Qh8+ Kg5 31. Nfe4+ Kf5 32. Rxf4# 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "8"]
[White "Bradvarevic, Aleksandar"]
[Black "Ortega, Lexy"]
[Result "1/2-1/2"]
[ECO "B47"]
[EventDate "1966.06.21"]
[PlyCount "115"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 a6 6. Be2 Qc7 7. O-O Bc5 8. Be3 Ba7 9. Kh1 Nf6 10. f4 d5 11. exd5 exd5 12. Bf3 O-O 13. Qd2 Ne7 14. Rae1 Bd7 15. Bf2 Bc6 16. Bh4 Bxd4 17. Qxd4 Nf5 18. Qe5 Qxe5 19. fxe5 Nxh4 20. exf6 Nxf3 21. gxf3 Rfe8 22. Rd1 Rad8 23. Rd4 g6 24. Rfd1 Re5 25. Kg2 Rd6 26. Kf2 Rf5 27. R1d3 h6 28. h4 Kh7 29. Kg3 h5 30. b3 Kh6 31. Kf2 g5 32. hxg5+ Kxg5 33. a4 a5 34. Kg3 Kg6 35. Ne2 Kxf6 36. Nf4 Ke5 37. Ng2 Rg6+ 38. Kf2 Rg4 39. Rxg4 hxg4 40. f4+ Rxf4+ 41. Nxf4 Kxf4 42. Rd4+ Kg5 43. Kg3 f5 44. c3 b6 45. b4 axb4 46. cxb4 Bxa4 47. Rxd5 Bc6 48. Re5 Ba4 49. Rd5 Bc2 50. Rb5 Be4 51. Kf2 Kf4 52. Rxb6 g3+ 53. Kg1 Ke3 54. b5 f4 55. Re6 f3 56. Rxe4+ Kxe4 57. b6 Ke3 58. b7 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "8"]
[White "Fuchs, Reinhart"]
[Black "Barcza, Gedeon"]
[Result "1/2-1/2"]
[ECO "C92"]
[EventDate "1966.06.21"]
[PlyCount "69"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nd7 10. d4 Nb6 11. Nbd2 Bf6 12. Nf1 Re8 13. N1h2 exd4 14. cxd4 Na5 15. Bc2 c5 16. e5 dxe5 17. dxc5 Qxd1 18. Rxd1 Na4 19. Ng4 Bxg4 20. hxg4 e4 21. Bxa4 bxa4 22. Nd4 Rac8 23. Be3 Rxc5 24. Nf5 Rc2 25. Bd4 Bxd4 26. Rxd4 g6 27. Ne3 Rxb2 28. Rxa4 Rb5 29. Rd1 Re6 30. Nd5 Rc5 31. Rxe4 Rxe4 32. Nf6+ Kg7 33. Nxe4 Rc4 34. f3 Ra4 35. Rd6 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "8"]
[White "Korchnoi, Viktor"]
[Black "Spassky, Boris"]
[Result "1-0"]
[ECO "E43"]
[EventDate "1966.06.21"]
[PlyCount "143"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. Na4 cxd4 9. exd4 Be7 10. Bf4 d6 11. Re1 Nbd7 12. Nc3 d5 13. Qe2 Nh5 14. Bd2 Nhf6 15. Ng5 Re8 16. cxd5 exd5 17. Qf3 h6 18. Nh3 Bb4 19. Qg3 Bxc3 20. bxc3 Kh8 21. f3 Rxe1+ 22. Rxe1 Qf8 23. Bf5 Re8 24. Nf4 Rxe1+ 25. Qxe1 Qd8 26. h4 Kg8 27. Bc1 Nb8 28. Ba3 Nc6 29. g4 Qb8 30. Bc1 Qe8 31. Qf2 Nd8 32. g5 hxg5 33. hxg5 Nh7 34. g6 Nf8 35. gxf7+ Qxf7 36. Qc2 Bc6 37. Ng2 Bd7 38. Ne3 Bxf5 39. Qxf5 Qxf5 40. Nxf5 Kf7 41. Nd6+ Ke6 42. Nb5 Kd7 43. Nxa7 Nfe6 44. Nb5 Nb7 45. Kf2 Nd6 46. Na3 Nc7 47. Bf4 Ncb5 48. Bxd6 Nxd6 49. Ke3 Ke6 50. Nc2 g5 51. Kd3 b5 52. Ne3 Nf7 53. Kc2 Nd8 54. Kb2 Nc6 55. Kb3 Kd6 56. Nd1 Ke6 57. Nf2 Kf6 58. Nd3 Ke6 59. Kb2 Kd6 60. Nc5 Na5 61. Kc2 Nc4 62. Nd3 Ke6 63. Kb3 Nd2+ 64. Kb4 Nb1 65. Nf2 Kf5 66. Nh3 g4 67. fxg4+ Kxg4 68. Nf2+ Kf3 69. Nd1 Ke2 70. Kxb5 Kxd1 71. Kb4 Kc2 72. a4 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "8"]
[White "Krogius, Nikolai"]
[Black "Vladimirov, Boris"]
[Result "1-0"]
[ECO "A31"]
[EventDate "1966.06.21"]
[PlyCount "40"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. g3 Qb6 6. Nb3 Ne4 7. Be3 Qb4+ 8. N1d2 Nxd2 9. Bxd2 Qxc4 10. Bg2 e6 11. O-O Be7 12. Rc1 Qa4 13. Nc5 Qb5 14. b4 a5 15. a4 Qb6 16. bxa5 Nxa5 17. Bxa5 Qxa5 18. Bxb7 Rb8 19. Bxc8 Bxc5 20. Qxd7+ Kf8 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "8"]
[White "Matulovic, Milan"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[ECO "C88"]
[EventDate "1966.06.21"]
[PlyCount "119"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. Bd2 Nd7 11. Nc3 bxa4 12. Bxa4 Nc5 13. Bxc6 Bxc6 14. d4 Nd7 15. Be3 Re8 16. Qe2 Bb7 17. dxe5 Nxe5 18. Nxe5 dxe5 19. Red1 Bd6 20. Nd5 Qc8 21. c4 Re6 22. Ra5 Rg6 23. f3 h5 24. Kh1 Bc6 25. Rda1 Bb7 26. Qf2 Qd8 27. R5a2 Rb8 28. Ba7 Ra8 29. b3 f5 30. exf5 Rg5 31. Rd2 Bxd5 32. Rxd5 Qf6 33. Be3 Rxf5 34. Re1 c6 35. Rdd1 Re8 36. Qc2 Bb4 37. Bd2 Bxd2 38. Qxd2 Rb8 39. Qe3 h4 40. h3 Rf4 41. Ra1 e4 42. fxe4 Qe5 43. Rxa6 Rbf8 44. Qd3 Rf2 45. Rxc6 Qg3 46. Qxg3 hxg3 47. Kg1 Rb2 48. Rg6 Rxb3 49. Rg5 Rc3 50. e5 Rf4 51. c5 Re4 52. Ra1 Kh7 53. c6 Ree3 54. Kf1 Kh6 55. Rf5 Kg6 56. Rf4 Rxe5 57. Rf3 Rxf3+ 58. gxf3 Rc5 59. Kg2 Rxc6 60. Kxg3 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "9"]
[White "Barcza, Gedeon"]
[Black "Antoshin, Vladimir"]
[Result "0-1"]
[ECO "A04"]
[EventDate "1966.06.21"]
[PlyCount "74"]

1. Nf3 g6 2. d4 Bg7 3. g3 c5 4. c3 cxd4 5. cxd4 d5 6. Nc3 Nc6 7. Bg2 e6 8. O-O Nge7 9. e3 O-O 10. b3 b6 11. Qd2 Ba6 12. Rd1 Nf5 13. Ba3 Re8 14. Rac1 Rc8 15. Ne1 h5 16. Nd3 Bh6 17. f4 g5 18. Nb4 Nxb4 19. Bxb4 gxf4 20. gxf4 Kh8 21. Ne2 Rxc1 22. Nxc1 Rg8 23. Kh1 Qh4 24. Qe1 Bf1 25. Bxf1 Ng3+ 26. Qxg3 Rxg3 27. Be7 Qg4 28. Be2 Qh3 29. Bf1 Rg1+ 30. Kxg1 Qxe3+ 31. Kg2 Qe4+ 32. Kf2 Qxf4+ 33. Ke1 Qxh2 34. Bf6+ Kg8 35. Be5 Qh4+ 36. Ke2 Qe4+ 37. Kf2 Be3+ 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "9"]
[White "Lein, Anatoly"]
[Black "Krogius, Nikolai"]
[Result "1/2-1/2"]
[ECO "A08"]
[EventDate "1966.06.21"]
[PlyCount "59"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d5 6. Nbd2 c5 7. e4 Nc6 8. Re1 e5 9. exd5 Nxd5 10. c3 Re8 11. Qb3 Nc7 12. Ne4 Be6 13. Qa4 Na6 14. Be3 h6 15. Nxc5 Nxc5 16. Bxc5 Qxd3 17. Red1 Qc4 18. Qxc4 Bxc4 19. Nd2 Be6 20. Ne4 Red8 21. Nd6 Rab8 22. b4 b6 23. Bxc6 bxc5 24. bxc5 Bf8 25. Rd2 Rbc8 26. Bd5 Bxd6 27. cxd6 Rxd6 28. Bxe6 Rxe6 29. Rc1 Rec6 30. Rd7 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "9"]
[White "Ortega, Lexy"]
[Black "Korchnoi, Viktor"]
[Result "0-1"]
[ECO "B55"]
[EventDate "1966.06.21"]
[PlyCount "108"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. O-O e5 8. c4 Be7 9. Nc3 O-O 10. Kh1 Nd7 11. b4 Nb6 12. Rb1 Be6 13. Qe2 Bg5 14. f4 Bxf4 15. Bxf4 exf4 16. Rxf4 Qg5 17. Rbf1 Rae8 18. Nd1 Nd7 19. Ne3 Ne5 20. Bc2 Rb8 21. Bb3 Ng6 22. R4f2 Rxb4 23. Nf5 a5 24. Qb2 Ne5 25. Qd4 Bxf5 26. Rxf5 Qe7 27. Qc3 c5 28. a3 Rbb8 29. Ba4 Qb7 30. Bb5 Qxe4 31. a4 Qa8 32. Rd1 Rbd8 33. Rd5 Qa7 34. Qd2 Qc7 35. h3 Ng6 36. Rf1 Ne7 37. Rd3 h6 38. Qf4 f5 39. Rfd1 Ng6 40. Qd2 Rf6 41. Rd5 f4 42. Qd3 Ne7 43. Rh5 Rdf8 44. Qf3 g6 45. Rh4 g5 46. Rg4 Ng6 47. Bc6 Ne5 48. Bd5+ Kh8 49. Qe2 Qg7 50. h4 Nxg4 51. Qxg4 f3 52. Bxf3 Rf4 53. Qe6 Rxh4+ 54. Kg1 Rd4 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "9"]
[White "Polugaevsky, Lev"]
[Black "Matulovic, Milan"]
[Result "1-0"]
[ECO "A08"]
[EventDate "1966.06.21"]
[PlyCount "111"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 d5 5. Nbd2 Bd6 6. Bg2 Nge7 7. O-O O-O 8. Re1 Bc7 9. c3 b6 10. e5 Ba6 11. d4 Bd3 12. Nb3 c4 13. h4 Bf5 14. Nbd2 f6 15. exf6 Rxf6 16. Nf1 Qd7 17. Ne3 Raf8 18. Nxf5 Nxf5 19. Qe2 h6 20. Nh2 e5 21. Ng4 Re6 22. dxe5 h5 23. Ne3 Rxe5 24. Rd1 Nxe3 25. Bxe3 b5 26. Qd2 Bb6 27. Bxd5+ Kh8 28. Bxb6 axb6 29. Bg2 Qe6 30. Re1 Re8 31. Rxe5 Nxe5 32. Qg5 Qf7 33. f4 Ng4 34. Bd5 Qe7 35. Qxh5+ Nh6 36. Bg2 Qe3+ 37. Kh2 Rd8 38. Qf3 Rd2 39. Qxe3 Ng4+ 40. Kh3 Nxe3 41. Be4 Nd1 42. Bg6 Nf2+ 43. Kg2 Rxb2 44. Kf3 Nd3 45. a4 Kg8 46. axb5 Kf8 47. Ra7 Rf2+ 48. Kg4 Rc2 49. Rf7+ Ke8 50. Rxg7+ Kd8 51. h5 Rxc3 52. h6 Nf2+ 53. Kh4 Rc1 54. h7 Rh1+ 55. Kg5 c3 56. Rg8+ 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "9"]
[White "Sergievsky, Vladimir"]
[Black "Bobotsov, Milko"]
[Result "1-0"]
[ECO "B86"]
[EventDate "1966.06.21"]
[PlyCount "59"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O Be7 8. a3 O-O 9. Ba2 b5 10. Qe1 Bb7 11. f3 Nc6 12. Be3 Qc7 13. Qg3 Ne5 14. Bxe6 Nh5 15. Qh3 fxe6 16. Qxh5 Bc8 17. Rad1 g6 18. Qh6 Nc4 19. Bc1 Nxa3 20. f4 Bf6 21. f5 Bg7 22. Qh4 Bxd4+ 23. Rxd4 Qa7 24. Qf2 Nxc2 25. Rxd6 b4 26. Na4 exf5 27. Bh6 Re8 28. Nb6 Rb8 29. Qxc2 Rxb6 30. Be3 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "9"]
[White "Spassky, Boris"]
[Black "Bertok, Mario"]
[Result "1-0"]
[ECO "B67"]
[EventDate "1966.06.21"]
[PlyCount "73"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nc6 7. Qd2 e6 8. O-O-O Bd7 9. f4 b5 10. Bxf6 gxf6 11. Kb1 Qb6 12. Nf3 O-O-O 13. Bd3 Kb7 14. f5 h5 15. Ne2 Qc5 16. c3 Bh6 17. Qc2 Be3 18. Rhf1 h4 19. Nc1 Ne7 20. Nb3 Qb6 21. Qe2 Bf4 22. fxe6 fxe6 23. c4 bxc4 24. Bxc4 e5 25. Nfd4 Bxh2 26. Ne6 Bxe6 27. Bxe6 Bf4 28. Rf3 Ka7 29. Rfd3 Bg5 30. Qe1 Nc6 31. a3 Nd4 32. Nxd4 exd4 33. Rxd4 Rb8 34. Qc3 Be3 35. Rb4 Qc5 36. Rc4 Qb6 37. Rc6 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "9"]
[White "Vladimirov, Boris"]
[Black "Fuchs, Reinhart"]
[Result "1-0"]
[ECO "D10"]
[EventDate "1966.06.21"]
[PlyCount "55"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 Ne4 5. Nxe4 dxe4 6. Qd2 Bf5 7. e3 Nd7 8. Ne2 h6 9. Bh4 g5 10. Bg3 Bg7 11. Nc3 O-O 12. Be2 e5 13. Rd1 exd4 14. exd4 c5 15. d5 Ne5 16. O-O Re8 17. d6 Qd7 18. h4 g4 19. Rfe1 Kh7 20. Qe3 b6 21. Nxe4 Ng6 22. Bd3 Bxe4 23. Bxe4 f5 24. Bxa8 Rxe3 25. Rxe3 Bd4 26. h5 Bxe3 27. hxg6+ Kxg6 28. fxe3 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "9"]
[White "Zakharov, Igor"]
[Black "Bradvarevic, Aleksandar"]
[Result "1-0"]
[ECO "B31"]
[EventDate "1966.06.21"]
[PlyCount "73"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 cxd4 8. cxd4 d6 9. h3 a6 10. Bf1 d5 11. e5 Ne4 12. Nc3 Nxc3 13. bxc3 Re8 14. Bg5 Na5 15. Qd2 Qc7 16. Bh6 Bh8 17. Rac1 Bf5 18. Qf4 Rac8 19. Qh4 f6 20. Bf4 Qc6 21. Qg3 Bg7 22. h4 Nc4 23. h5 fxe5 24. Nxe5 Nxe5 25. Bxe5 Qd7 26. Bxg7 Kxg7 27. Qe5+ Kg8 28. h6 e6 29. f3 g5 30. g4 Bg6 31. Qxg5 Qe7 32. Qe5 Qc7 33. Bg2 Qxe5 34. Rxe5 Rc6 35. f4 Bf7 36. f5 Kf8 37. Rf1 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "10"]
[White "Antoshin, Vladimir"]
[Black "Vladimirov, Boris"]
[Result "1-0"]
[ECO "E76"]
[EventDate "1966.06.21"]
[PlyCount "91"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Bd3 O-O 7. f4 e6 8. dxe6 Bxe6 9. f5 Bd7 10. Nge2 Bc6 11. O-O Re8 12. Bg5 h6 13. Bxf6 Bxf6 14. fxg6 fxg6 15. Nf4 Bd4+ 16. Kh1 Qg5 17. Ncd5 Nd7 18. Nc7 Bxb2 19. Rb1 Be5 20. Nh3 Qh4 21. Nxa8 Rxa8 22. Qe1 Qxe1 23. Rbxe1 g5 24. Nf2 Nf6 25. Nd1 Re8 26. Ne3 Bc3 27. Re2 Bxe4 28. Ng4 Bxd3 29. Nxf6+ Bxf6 30. Rxe8+ Kf7 31. Rfe1 Bxc4 32. Rc8 Ba6 33. Rc7+ Kg6 34. Re6 Kf5 35. Rxd6 Bd4 36. Re7 h5 37. a4 h4 38. h3 Kf4 39. Rd8 Kf5 40. Rf8+ Kg6 41. Re6+ Kg7 42. Rf5 c4 43. Rxg5+ Kf7 44. Rxa6 bxa6 45. Rg4 Bf6 46. Rxc4 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "10"]
[White "Bertok, Mario"]
[Black "Ortega, Lexy"]
[Result "1/2-1/2"]
[ECO "E14"]
[EventDate "1966.06.21"]
[PlyCount "124"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e3 c5 7. Bd3 b6 8. O-O d5 9. b3 Bb7 10. Bb2 Ne4 11. Qe2 Nd7 12. Rfd1 f5 13. Rac1 Qe8 14. cxd5 exd5 15. Ba6 Qc8 16. Bxb7 Qxb7 17. Nf1 Rad8 18. Rc2 a5 19. a4 Nb8 20. Ne5 Na6 21. f3 Nf6 22. Nd3 Nb4 23. Rcc1 Rc8 24. Ba1 Nd7 25. Nf4 g6 26. Qb5 Bf6 27. Ne6 Rf7 28. dxc5 Bxa1 29. c6 Nxc6 30. Rxa1 Nb4 31. Rac1 Re7 32. Nd4 Nc5 33. h4 h5 34. Rd2 Rce8 35. Rc3 Kh7 36. g3 Qc7 37. Kg2 Qd6 38. Qe2 Qf6 39. Qd1 f4 40. gxf4 Qxh4 41. Kg1 Qf6 42. Rg2 Ne6 43. Nb5 d4 44. Nxd4 Nxd4 45. Qxd4 Qxd4 46. exd4 Nd5 47. Rc6 Nxf4 48. Rd2 h4 49. d5 Re5 50. Rc7+ Kh6 51. d6 Rd8 52. d7 Rd5 53. Rxd5 Nxd5 54. Rb7 Kg5 55. Nd2 Kf4 56. Kh2 g5 57. Kh3 Kf5 58. Nc4 Kf4 59. Nxb6 Nxb6 60. Rxb6 Rxd7 61. Rf6+ Ke5 62. Ra6 Kf4 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "10"]
[White "Bobotsov, Milko"]
[Black "Barcza, Gedeon"]
[Result "1-0"]
[ECO "E92"]
[EventDate "1966.06.21"]
[PlyCount "77"]

1. c4 g6 2. Nc3 Bg7 3. d4 c5 4. d5 d6 5. e4 Nf6 6. Nf3 O-O 7. Be2 e5 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh5 11. Nd2 Nf4 12. O-O a6 13. a3 Nd7 14. b4 b6 15. Rb1 f5 16. exf5 Nxe2+ 17. Qxe2 Nf6 18. bxc5 bxc5 19. h4 Bxf5 20. hxg5 hxg5 21. Nce4 Nxe4 22. Nxe4 g4 23. Rb7 Rb8 24. Rxg7+ Kxg7 25. Nxd6 Kg6 26. Bxe5 Qg5 27. Ne4 Qh6 28. Bxb8 Rxb8 29. f3 Qh8 30. fxg4 Qd4+ 31. Nf2 Bd7 32. Qe4+ Qxe4 33. Nxe4 Bxg4 34. Nxc5 Be2 35. Nd7 Bxf1 36. Nxb8 Bxc4 37. d6 Kf7 38. d7 Ke7 39. Nc6+ 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "10"]
[White "Bradvarevic, Aleksandar"]
[Black "Korchnoi, Viktor"]
[Result "0-1"]
[ECO "B06"]
[EventDate "1966.06.21"]
[PlyCount "64"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Be2 Bg4 6. O-O Nd7 7. Re1 Bxf3 8. Bxf3 Qb6 9. Ne2 Ngf6 10. c3 O-O 11. Nf4 e6 12. h4 Rfd8 13. Nd3 c5 14. Qa4 Qc7 15. h5 c4 16. Nb4 a5 17. Nc2 d5 18. exd5 Nxd5 19. Qb5 a4 20. Ne3 N7b6 21. Bxd5 exd5 22. hxg6 hxg6 23. Ng4 a3 24. Bg5 axb2 25. Qxb2 Re8 26. Nf6+ Bxf6 27. Bxf6 Qc6 28. Be5 Re6 29. Qd2 f6 30. Bg3 Rae8 31. Rxe6 Qxe6 32. Rb1 Na4 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "10"]
[White "Fuchs, Reinhart"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[ECO "C10"]
[EventDate "1966.06.21"]
[PlyCount "108"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. e5 Ne4 6. Bd3 Bb4 7. Bd2 Nxd2 8. Qxd2 Bd7 9. Qf4 h6 10. a3 Bf8 11. O-O Ne7 12. Rfe1 c6 13. b4 Nf5 14. Ne2 Be7 15. Qc1 g5 16. Nd2 h5 17. Nf1 Nh4 18. c4 Kf8 19. Ra2 g4 20. c5 Bg5 21. Nf4 Bh6 22. Ng3 Qg5 23. Nfe2 Qg8 24. Qb1 Qg5 25. Kh1 Ng6 26. b5 cxb5 27. Bxb5 Bxb5 28. Qxb5 h4 29. Nf1 Qf5 30. Ng1 Kg7 31. f3 b6 32. cxb6 axb6 33. Qxb6 Ra4 34. h3 gxh3 35. Nxh3 Rc8 36. Nh2 Rcc4 37. Ng4 Rxd4 38. Qd8 Rxg4 39. fxg4 Rxg4 40. Rf2 Nf4 41. a4 Kh7 42. Nxf4 Bxf4 43. Rf3 Rg6 44. Qe7 Kg7 45. Ref1 Qc2 46. R3f2 Qe4 47. Qxf7+ Kxf7 48. Rxf4+ Kg7 49. Rxe4 dxe4 50. Rf4 e3 51. Re4 Rg3 52. Kh2 Kg6 53. Rxh4 e2 54. Re4 Ra3 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "10"]
[White "Krogius, Nikolai"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[ECO "A56"]
[EventDate "1966.06.21"]
[PlyCount "106"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. g3 O-O 7. Bh3 Bxh3 8. Nxh3 Qc8 9. Ng5 h6 10. Nf3 Nh7 11. Qd3 Na6 12. a3 Nc7 13. Be3 Qh3 14. Nd2 Bg5 15. Qf1 Qd7 16. Bxg5 Nxg5 17. f4 Nh7 18. Qe2 Rae8 19. f5 Rb8 20. a4 a6 21. a5 b5 22. axb6 Rxb6 23. b3 Qe7 24. h4 Rfb8 25. Kd1 Ne8 26. Kc2 Qb7 27. Ra3 Qe7 28. g4 f6 29. Na4 Rb4 30. Nb2 Qb7 31. Nd3 Rb6 32. Nc1 Rb4 33. Qe3 Nc7 34. Rh3 Ra8 35. Na2 Rb6 36. Ra5 Rb8 37. Rg3 Ne8 38. Ra3 Ra8 39. Nf3 a5 40. Nc3 Rb8 41. Nd2 Ra8 42. Rg1 Nc7 43. Rga1 Qa6 44. Na4 Rb4 45. Nb2 Rb7 46. Nf3 Ne8 47. Qd2 Qb6 48. Qc3 Rba7 49. Na4 Qd8 50. Nb2 Nf8 51. Nd3 g5 52. fxg6 Nxg6 53. Ra4 Ng7 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "10"]
[White "Matulovic, Milan"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "A42"]
[EventDate "1966.06.21"]
[PlyCount "57"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nd7 5. Nf3 e6 6. g3 a6 7. Bg2 Rb8 8. a4 a5 9. O-O Ne7 10. Be3 b6 11. Qd2 h6 12. Rfd1 Bb7 13. h3 g5 14. h4 g4 15. Nh2 h5 16. f3 gxf3 17. Nxf3 Nf6 18. Ng5 Neg8 19. e5 Ng4 20. Bxb7 Rxb7 21. Qg2 Rb8 22. Bf4 N8h6 23. Qe4 dxe5 24. Bxe5 Bxe5 25. dxe5 Qe7 26. Qc6+ Kf8 27. Rd7 Nxe5 28. Rxe7 Nxc6 29. Rxc7 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "10"]
[White "Zakharov, Igor"]
[Black "Sergievsky, Vladimir"]
[Result "1/2-1/2"]
[ECO "B52"]
[EventDate "1966.06.21"]
[PlyCount "30"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. Re1 g6 8. d4 Bg7 9. dxc5 dxc5 10. Qxd7+ Nxd7 11. Na3 O-O-O 12. Nc4 Nde5 13. Ncxe5 Nxe5 14. Nxe5 Bxe5 15. Be3 b6 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "11"]
[White "Barcza, Gedeon"]
[Black "Zakharov, Igor"]
[Result "1-0"]
[ECO "B06"]
[EventDate "1966.06.21"]
[PlyCount "139"]

1. d4 d6 2. e4 g6 3. Bc4 Bg7 4. Nf3 e6 5. Nc3 Ne7 6. O-O d5 7. Bd3 dxe4 8. Nxe4 h6 9. c3 O-O 10. Qe2 b6 11. h3 Bb7 12. Bf4 Nd7 13. Ba6 Qc8 14. Bxb7 Qxb7 15. Ne5 Nxe5 16. Bxe5 f6 17. Bh2 Rae8 18. Rfe1 Kh7 19. Nd2 Nd5 20. Qd3 c5 21. Ne4 Qc6 22. Qc4 f5 23. Nd2 Rc8 24. dxc5 Rfe8 25. Nf3 Qxc5 26. Qxc5 Rxc5 27. Rad1 Nf6 28. Be5 Ra5 29. a3 g5 30. Nd2 Rd5 31. Nc4 Rxd1 32. Rxd1 Nd5 33. Bxg7 Kxg7 34. Nd6 Rf8 35. c4 Nc7 36. Nb7 Kf6 37. Rd7 Rf7 38. Rxf7+ Kxf7 39. Nd6+ Kf6 40. Nc8 Ke5 41. Nxa7 Ke4 42. Nc8 Na8 43. b4 Kd4 44. Nd6 h5 45. c5 bxc5 46. bxc5 Kxc5 47. Nf7 g4 48. Kh2 Nc7 49. Kg3 Nb5 50. Kh4 Nxa3 51. Kxh5 g3 52. fxg3 Nc4 53. Kg5 Kd5 54. h4 e5 55. Kxf5 e4 56. Kf4 e3 57. Kf3 Kd4 58. Ke2 Ke4 59. g4 Nb6 60. Nd6+ Kf4 61. g5 Nd5 62. g6 Ne7 63. g7 Ng8 64. Ne8 Kg4 65. Kxe3 Kxh4 66. Kf4 Kh5 67. Kf5 Kh6 68. Nf6 Kxg7 69. Nxg8 Kxg8 70. Kg6 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "11"]
[White "Korchnoi, Viktor"]
[Black "Bertok, Mario"]
[Result "1-0"]
[ECO "E92"]
[EventDate "1966.06.21"]
[PlyCount "71"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Bg5 h6 8. Bh4 a6 9. Nd2 e5 10. Be2 Qc7 11. g4 Bd7 12. f3 Rc8 13. Bf2 Be8 14. Be3 Nbd7 15. h4 h5 16. Nf1 Nf8 17. Ng3 hxg4 18. fxg4 b5 19. g5 N6h7 20. cxb5 axb5 21. Bxb5 Bxb5 22. Nxb5 Qa5+ 23. Nc3 Rcb8 24. Qe2 Qb4 25. Rh2 Nd7 26. Kf1 Nb6 27. Re1 Bf8 28. Kg1 Na4 29. Nxa4 Rxa4 30. a3 Qb3 31. Rf2 Rb7 32. Rc1 Be7 33. Rc3 Qb5 34. Qg4 f5 35. gxf6 Bxf6 36. Nh5 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "11"]
[White "Lein, Anatoly"]
[Black "Antoshin, Vladimir"]
[Result "1-0"]
[ECO "D46"]
[EventDate "1966.06.21"]
[PlyCount "69"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 Bb4 7. O-O O-O 8. Bd2 Bd6 9. e4 dxc4 10. Bxc4 e5 11. Bg5 Qe7 12. Re1 Rd8 13. Bb3 exd4 14. Nd5 cxd5 15. e5 Nxe5 16. Nxe5 Bxe5 17. f4 d3 18. fxe5 Qc5+ 19. Be3 d4 20. Bg5 Be6 21. Bxe6 fxe6 22. Bh4 Nd5 23. Bxd8 Rxd8 24. Qxd3 Nb4 25. Qd2 Nc2 26. Rac1 d3+ 27. Kh1 Qd4 28. Rf1 h6 29. Rf3 Qxb2 30. Rd1 Qxe5 31. Rxd3 Rxd3 32. Qxd3 Nb4 33. Qb1 Nd5 34. Re1 Qf5 35. Qxb7 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "11"]
[White "Ortega, Lexy"]
[Black "Matulovic, Milan"]
[Result "0-1"]
[ECO "B40"]
[EventDate "1966.06.21"]
[PlyCount "62"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 Nf6 7. O-O d5 8. Nd2 Be7 9. Kh1 O-O 10. f4 c5 11. c4 Bb7 12. e5 Nd7 13. Bxh7+ Kxh7 14. Qh5+ Kg8 15. Rf3 g6 16. Qh6 Nf6 17. exf6 Bxf6 18. Rh3 Re8 19. f5 exf5 20. Nf3 dxc4 21. Qh7+ Kf8 22. Bh6+ Ke7 23. Bg7 Qd6 24. Qh6 Bxg7 25. Qxg7 Qf6 26. Qh6 f4 27. Ng5 Bxg2+ 28. Kxg2 Qxb2+ 29. Kf3 Qxa1 30. Nxf7 Kxf7 31. Qh7+ Qg7 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "11"]
[White "Polugaevsky, Lev"]
[Black "Fuchs, Reinhart"]
[Result "1-0"]
[ECO "A25"]
[EventDate "1966.06.21"]
[PlyCount "73"]

1. g3 e5 2. c4 Nc6 3. Bg2 Nf6 4. Nc3 Bb4 5. Nd5 Nxd5 6. cxd5 Ne7 7. Nf3 e4 8. Nd4 Nxd5 9. Qb3 c6 10. Bxe4 Qb6 11. Bxd5 cxd5 12. Qxd5 O-O 13. O-O d6 14. Nc2 Be6 15. Qe4 a5 16. b3 Rfe8 17. Qh4 Rac8 18. Nd4 d5 19. e3 Bd7 20. Bb2 h6 21. Qh5 Bxd2 22. Rfd1 Bb4 23. Qxd5 Bg4 24. Rdc1 Rcd8 25. Qg2 Rc8 26. Rxc8 Rxc8 27. Qe4 Bd7 28. Rd1 Re8 29. Qf3 Bc8 30. Nf5 Qg6 31. Nxg7 Bg4 32. Qd5 Rc8 33. f3 Bf8 34. fxg4 Bxg7 35. Bxg7 Qxg7 36. Qxa5 Qxg4 37. Rd8+ 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "11"]
[White "Sergievsky, Vladimir"]
[Black "Bradvarevic, Aleksandar"]
[Result "1-0"]
[ECO "C00"]
[EventDate "1966.06.21"]
[PlyCount "105"]

1. e4 c5 2. Nf3 Nc6 3. d3 e6 4. Nbd2 d5 5. g3 Nf6 6. Bg2 Be7 7. O-O O-O 8. Re1 b5 9. e5 Nd7 10. Nf1 a5 11. h4 b4 12. Bf4 a4 13. Ng5 a3 14. b3 Nd4 15. Ne3 Bb7 16. Qh5 h6 17. Nh3 f6 18. Ng4 Qe8 19. Qxe8 Rfxe8 20. exf6 Nxf6 21. Nxf6+ Bxf6 22. Rac1 e5 23. Bd2 Nb5 24. f3 Rad8 25. Nf2 h5 26. Bf1 g6 27. Bg2 Bg7 28. Kh2 Rd7 29. Nh3 e4 30. Nf4 Kh7 31. Rcd1 Nd4 32. fxe4 Nxc2 33. Re2 dxe4 34. dxe4 Ba6 35. Rf2 Ne3 36. Bxe3 Rxd1 37. Bxc5 Bc3 38. Nd5 Kg7 39. Nxb4 Bb7 40. Nd5 Be5 41. Bxa3 Bxd5 42. exd5 Rd4 43. Bf3 Rxh4+ 44. Kg2 Rd4 45. Re2 Kf6 46. Bb2 Rd3 47. b4 Re7 48. b5 Bxb2 49. Rxb2 Ree3 50. Rf2 Ke5 51. b6 Rd4 52. Rb2 Red3 53. Re2+ 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "11"]
[White "Spassky, Boris"]
[Black "Krogius, Nikolai"]
[Result "1/2-1/2"]
[ECO "C95"]
[EventDate "1966.06.21"]
[PlyCount "62"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bg5 h6 16. Bd2 Bg7 17. Rc1 c5 18. d5 Nb6 19. Bd3 Bc8 20. Nh2 Qe7 21. Rf1 Ra7 22. Be3 Rb7 23. Qd2 Kh7 24. Rce1 Nbd7 25. a4 c4 26. Bc2 Rc7 27. axb5 axb5 28. Ra1 Nc5 29. f3 Nfd7 30. Ng4 Qf8 31. Nh2 h5 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "11"]
[White "Vladimirov, Boris"]
[Black "Bobotsov, Milko"]
[Result "1-0"]
[ECO "E77"]
[EventDate "1966.06.21"]
[PlyCount "59"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. exd5 Bf5 10. O-O Ne4 11. Nxe4 Bxe4 12. Ng5 Bf5 13. g4 Bc8 14. f5 Nd7 15. fxg6 hxg6 16. Qe1 Nf6 17. Qh4 Re8 18. Bd3 Qe7 19. Bd2 Bxg4 20. Rae1 Qd7 21. Rxe8+ Rxe8 22. Bc3 Bf5 23. Bxf5 gxf5 24. Kh1 Re5 25. Rg1 f4 26. Qxf4 Rf5 27. Qh4 Qe7 28. Nh7 Qe2 29. Nxf6+ Kf8 30. Qh8+ 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "12"]
[White "Antoshin, Vladimir"]
[Black "Polugaevsky, Lev"]
[Result "1/2-1/2"]
[ECO "E12"]
[EventDate "1966.06.21"]
[PlyCount "56"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 h6 6. Bh4 g5 7. Bg3 Nh5 8. Qc2 Nxg3 9. hxg3 Bg7 10. O-O-O Qe7 11. e3 Nc6 12. a3 O-O-O 13. d5 Ne5 14. Nd4 Kb8 15. Be2 g4 16. Kb1 c5 17. Nb3 f5 18. Rd2 Nf7 19. Nc1 Bxc3 20. Qxc3 exd5 21. cxd5 Nd6 22. Rdd1 Ne4 23. Qe1 Qe5 24. Bc4 Nd6 25. Ba2 Qe4+ 26. Ka1 Qxg2 27. Nd3 Ne4 28. Rg1 Qh2 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "12"]
[White "Bobotsov, Milko"]
[Black "Lein, Anatoly"]
[Result "1-0"]
[ECO "E70"]
[EventDate "1966.06.21"]
[PlyCount "107"]

1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 Nc6 5. Nge2 Nf6 6. d5 Nb8 7. Be3 O-O 8. f3 e6 9. Ng3 exd5 10. cxd5 c6 11. dxc6 bxc6 12. Be2 d5 13. e5 Nfd7 14. f4 Re8 15. O-O Nf8 16. Bf3 Nbd7 17. Qc2 Bh6 18. Qf2 Bb7 19. Rad1 Qe7 20. Rfe1 Rad8 21. Bg4 Qh4 22. h3 a6 23. Kh2 Bg7 24. Nge4 Qxf2 25. Nxf2 f6 26. exf6 Bxf6 27. Bc1 Nc5 28. Bf3 Bg7 29. Rxe8 Rxe8 30. Nd3 Nfe6 31. Bg4 Nxd3 32. Bxe6+ Rxe6 33. Rxd3 a5 34. Na4 Re1 35. Bd2 Rd1 36. Nc5 Bxb2 37. Nxb7 Bc1 38. Nxa5 Rxd2 39. Rxd2 Bxd2 40. Nxc6 Bxf4+ 41. g3 Bd6 42. a4 Kf7 43. a5 d4 44. Kg2 d3 45. Kf3 Bxg3 46. a6 d2 47. Ke2 Bf2 48. Kxd2 Kf6 49. Kd3 Bb6 50. Ke4 Kg5 51. Ne7 Bg1 52. Kd5 Kf6 53. Nc8 g5 54. Kc6 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "12"]
[White "Bradvarevic, Aleksandar"]
[Black "Bertok, Mario"]
[Result "1/2-1/2"]
[ECO "B45"]
[EventDate "1966.06.21"]
[PlyCount "40"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Qxd5 exd5 12. Bd3 Ne5 13. O-O Nxd3 14. cxd3 Bf5 15. Re1+ Kd7 16. d4 Rhe8 17. Bd2 Re6 18. Rxe6 fxe6 19. f3 Rc8 20. Bc3 Rc4 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "12"]
[White "Fuchs, Reinhart"]
[Black "Spassky, Boris"]
[Result "0-1"]
[ECO "C88"]
[EventDate "1966.06.21"]
[PlyCount "66"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 b4 9. d3 d6 10. Nbd2 Be6 11. a5 Rb8 12. Bc4 Qc8 13. Nf1 Bxc4 14. dxc4 Qe6 15. Ne3 Bd8 16. Nd5 Nd7 17. Be3 Ne7 18. Qd2 c5 19. Qd3 h6 20. Nh4 Kh7 21. Nf5 Ng8 22. Qd2 h5 23. Red1 g6 24. Qe2 Rb7 25. Rd3 Nb8 26. Nb6 Bc7 27. Rad1 Rd8 28. Nd5 Bxa5 29. Bg5 f6 30. Nxf6+ Nxf6 31. Rxd6 Rbd7 32. Bxf6 Rxd6 33. Bxd8 Rxd8 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "12"]
[White "Krogius, Nikolai"]
[Black "Ortega, Lexy"]
[Result "1/2-1/2"]
[ECO "A04"]
[EventDate "1966.06.21"]
[PlyCount "124"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 e5 4. d3 Nge7 5. O-O d6 6. c4 h5 7. Nc3 Bg4 8. a3 Qd7 9. b4 h4 10. Nxh4 Bh3 11. Bxh3 Qxh3 12. Ne4 f6 13. f4 O-O-O 14. Nf2 Qd7 15. Ng2 exf4 16. Nxf4 d5 17. cxd5 Nxd5 18. Nxd5 Qxd5 19. e4 Qd4 20. Qg4+ Kb8 21. Bf4+ Ka8 22. b5 Ne5 23. Bxe5 Qxe5 24. Rac1 Bd6 25. a4 Rh5 26. d4 cxd4 27. Nd3 Qe8 28. Rf5 Rh8 29. Rd5 g6 30. Qf3 Qe7 31. Rc4 Bc7 32. Kg2 g5 33. Rxd8+ Rxd8 34. Nb4 Be5 35. Nd5 Qe6 36. g4 Kb8 37. h3 Rc8 38. Qd3 Rh8 39. a5 Qf7 40. a6 Rc8 41. Rxc8+ Kxc8 42. b6 Kb8 43. Qb5 bxa6 44. bxa7+ Kxa7 45. Qb6+ Ka8 46. Qxa6+ Kb8 47. Kf2 Qh7 48. Qb6+ Ka8 49. Qc6+ Ka7 50. Qc5+ Ka8 51. Nxf6 Bxf6 52. Qf8+ Kb7 53. Qxf6 Qxe4 54. Qxg5 Qc2+ 55. Ke1 Qc3+ 56. Qd2 Qg3+ 57. Kd1 d3 58. Qb4+ Kc6 59. Qe4+ Kc5 60. Kd2 Qxh3 61. Qe5+ Kc6 62. g5 Qg2+ 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "12"]
[White "Matulovic, Milan"]
[Black "Korchnoi, Viktor"]
[Result "1/2-1/2"]
[ECO "A23"]
[EventDate "1966.06.21"]
[PlyCount "85"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. Bg2 Qb6 8. Nc2 Bc5 9. O-O Ng4 10. Ne3 d4 11. Na4 Qb5 12. Nxg4 Bxg4 13. Qc2 Bxe2 14. Re1 Be7 15. Qxe4 Qxa4 16. Qxb7 d3 17. Qxa8 O-O 18. Qe4 Qd7 19. b3 Na6 20. Bb2 Rd8 21. Rac1 Bb4 22. Bc3 Ba3 23. Rb1 Bc5 24. b4 Bb6 25. a4 Qxa4 26. Qe5 f6 27. Qe6+ Kf8 28. Bd5 Qd7 29. Qg8+ Ke7 30. Qxg7+ Kd6 31. Qxd7+ Rxd7 32. Bc4 Nc7 33. Bxf6 Ne6 34. Bxe6 Kxe6 35. Bg5 Kd5 36. Be3 Rc7 37. Bxb6 axb6 38. Rb2 Bf3 39. h4 Kd4 40. Kh2 Rc2 41. Reb1 b5 42. Kh3 h5 43. Kh2 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "12"]
[White "Sergievsky, Vladimir"]
[Black "Barcza, Gedeon"]
[Result "1-0"]
[ECO "D02"]
[EventDate "1966.06.21"]
[PlyCount "81"]

1. d4 Nf6 2. Nf3 e6 3. g3 c5 4. Bg2 d5 5. O-O Nc6 6. e3 Be7 7. b3 O-O 8. Bb2 Bd7 9. Nbd2 b5 10. dxc5 Bxc5 11. Qe2 Rb8 12. e4 dxe4 13. Nxe4 Nxe4 14. Qxe4 Qe7 15. Rad1 f6 16. Bh3 Nd8 17. Nd4 Bxd4 18. Bxd4 a6 19. Rfe1 Re8 20. Bf5 g6 21. Qh4 Rf8 22. Bc5 Qxc5 23. Rxd7 Rf7 24. Rxf7 Nxf7 25. Bxe6 Qe7 26. Re3 Kg7 27. c4 Rf8 28. Bxf7 Qxf7 29. c5 Qc7 30. b4 Rf7 31. Re6 a5 32. a3 axb4 33. axb4 Qb7 34. c6 Qa7 35. Qe4 Qa1+ 36. Kg2 f5 37. Qf4 Qc3 38. h4 Rf6 39. Qc7+ Kh6 40. Rxf6 Qxf6 41. Qb7 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "12"]
[White "Zakharov, Igor"]
[Black "Vladimirov, Boris"]
[Result "1/2-1/2"]
[ECO "C14"]
[EventDate "1966.06.21"]
[PlyCount "24"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Ne4 6. Bxe7 Nxc3 7. Bxd8 Nxd1 8. Rxd1 Kxd8 9. Nf3 b6 10. c3 Ba6 11. Bxa6 Nxa6 12. Ke2 Ke7 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "13"]
[White "Barcza, Gedeon"]
[Black "Bradvarevic, Aleksandar"]
[Result "1-0"]
[ECO "E05"]
[EventDate "1966.06.21"]
[PlyCount "71"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Bd7 10. Nbd2 Nb4 11. b3 b5 12. Qc3 Nfd5 13. Qb2 bxa4 14. bxa4 Rb8 15. Nb3 Qe8 16. a5 Ba4 17. Ne1 Bf6 18. Ra3 c5 19. e4 c4 20. Rxa4 Qxa4 21. Nc5 c3 22. Qe2 Qa2 23. Qd1 Nc7 24. Nd7 Qxa5 25. Nxf6+ gxf6 26. Qg4+ Kh8 27. Qf4 f5 28. d5 f6 29. Qh4 exd5 30. e5 fxe5 31. Nf3 Ne6 32. Nxe5 Qd8 33. Ng6+ Kg8 34. Ne7+ Kh8 35. Bg5 Nxg5 36. Qd4+ 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "13"]
[White "Bertok, Mario"]
[Black "Matulovic, Milan"]
[Result "0-1"]
[ECO "A62"]
[EventDate "1966.06.21"]
[PlyCount "80"]

1. c4 Nf6 2. d4 c5 3. d5 d6 4. Nc3 g6 5. g3 Bg7 6. Bg2 O-O 7. Nf3 Na6 8. O-O Nc7 9. a4 e6 10. h3 exd5 11. cxd5 Re8 12. Nd2 b6 13. Nc4 Ba6 14. Qb3 Bxc4 15. Qxc4 a6 16. Bg5 h6 17. Bd2 Qd7 18. e4 b5 19. axb5 axb5 20. Qd3 b4 21. Rxa8 Rxa8 22. Nd1 Qb5 23. Qc2 Nd7 24. Re1 Ne5 25. b3 Ra3 26. Ne3 Qa6 27. Rb1 Ra2 28. Qd1 Qd3 29. Be1 Nb5 30. Qxd3 Nxd3 31. Bf1 Na3 32. Rd1 Nxe1 33. Rxe1 Bd4 34. Re2 Rxe2 35. Bxe2 Bxe3 36. fxe3 Kf8 37. Bd3 c4 38. bxc4 b3 39. Kf2 b2 40. Ke2 Nxc4 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "13"]
[White "Korchnoi, Viktor"]
[Black "Krogius, Nikolai"]
[Result "1/2-1/2"]
[ECO "D55"]
[EventDate "1966.06.21"]
[PlyCount "118"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 h6 6. Bxf6 Bxf6 7. Nf3 O-O 8. Qd2 b6 9. cxd5 exd5 10. b4 Be6 11. Be2 Be7 12. Rb1 a5 13. b5 Nd7 14. O-O Bd6 15. Ne1 Nf6 16. Bd3 Re8 17. f3 Nh5 18. g4 Nf6 19. Ng2 Rc8 20. Ne2 Bd7 21. Ng3 Bb4 22. Qb2 c6 23. bxc6 Rxc6 24. a3 Bf8 25. h3 Qc7 26. Ne2 b5 27. Qa2 b4 28. axb4 Bxb4 29. e4 dxe4 30. fxe4 Rc3 31. Nxc3 Qxc3 32. Qc4 Qxc4 33. Bxc4 Rxe4 34. Rf4 Re7 35. Nh4 Re3 36. Rf3 Re4 37. Nf5 Bxf5 38. Rxf5 Rxd4 39. Rc1 Bd2 40. Rc2 a4 41. Ba2 Rd8 42. Kg2 Be3 43. Re5 Bg5 44. Ra5 g6 45. Rxa4 Rd7 46. Rac4 h5 47. Rc5 Be3 48. Rc7 hxg4 49. hxg4 Bg5 50. Rxd7 Nxd7 51. Re2 Kf8 52. Kf3 Bh6 53. Bc4 f6 54. Ke4 Ne5 55. Be6 Kg7 56. Rh2 Nxg4 57. Bxg4 f5+ 58. Bxf5 gxf5+ 59. Kxf5 Be3 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "13"]
[White "Lein, Anatoly"]
[Black "Zakharov, Igor"]
[Result "1-0"]
[ECO "D04"]
[EventDate "1966.06.21"]
[PlyCount "159"]

1. d4 Nf6 2. Nf3 c5 3. e3 d5 4. Nbd2 cxd4 5. exd4 Nc6 6. c3 Bg4 7. Be2 e6 8. Ne5 Bxe2 9. Qxe2 Bd6 10. O-O O-O 11. Re1 Qc7 12. b3 Rac8 13. Bb2 b5 14. Ndf3 a6 15. a4 Bxe5 16. dxe5 Nd7 17. Ba3 Rfe8 18. axb5 axb5 19. Bd6 Qb6 20. Qd3 h6 21. Nd4 Nxd4 22. cxd4 Rc6 23. Rec1 Nb8 24. Rc5 Rxc5 25. Bxc5 Qb7 26. Ra7 Qc6 27. Ra5 Qc7 28. Qxb5 Rc8 29. Ra8 Nd7 30. Rxc8+ Qxc8 31. b4 Nxc5 32. Qxc5 Qa6 33. g3 Qd3 34. b5 g5 35. b6 g4 36. Qc1 Qb3 37. Qf4 h5 38. h3 Qxb6 39. hxg4 hxg4 40. Qxg4+ Kf8 41. Qf4 Qb1+ 42. Kh2 Kg8 43. Qg4+ Kf8 44. Qe2 Qh7+ 45. Kg2 Qf5 46. Qf3 Qc2 47. Qe3 Kg8 48. g4 Qb1 49. f3 Qc2+ 50. Kg3 Qb1 51. Qg5+ Kf8 52. Qd8+ Kg7 53. Qf6+ Kg8 54. Kh4 Qg1 55. Qf4 Qb1 56. Qg5+ Kf8 57. Qd8+ Kg7 58. Qf6+ Kg8 59. Kg5 Qd3 60. f4 Qd2 61. Kh6 Qh2+ 62. Kg5 Qd2 63. Qh6 Qa5 64. Kh5 Qd2 65. Qg5+ Kh7 66. Qf6 Kg8 67. f5 exf5 68. e6 Qh2+ 69. Kg5 Qd2+ 70. Kxf5 Qd3+ 71. Ke5 Qe2+ 72. Kxd5 Qb5+ 73. Ke4 Qb1+ 74. Kf4 fxe6 75. Qxe6+ Kg7 76. Qe5+ Kg8 77. Kg5 Qc1+ 78. Kf5 Qc2+ 79. Qe4 Qf2+ 80. Kg5 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "13"]
[White "Ortega, Lexy"]
[Black "Fuchs, Reinhart"]
[Result "1/2-1/2"]
[ECO "C17"]
[EventDate "1966.06.21"]
[PlyCount "63"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Ne7 6. Nb5 Bxd2+ 7. Qxd2 O-O 8. f4 Qb6 9. Nf3 Bd7 10. a4 c4 11. Nc3 Nbc6 12. Be2 f6 13. O-O fxe5 14. fxe5 Nf5 15. a5 Qd8 16. a6 b6 17. b3 cxb3 18. cxb3 Nh4 19. Rac1 Nxf3+ 20. Rxf3 Qh4 21. Nb5 Rxf3 22. Bxf3 Rf8 23. g3 Qh3 24. Be2 Qf5 25. Rf1 Qe4 26. Rxf8+ Kxf8 27. Bd3 Qg4 28. Bxh7 Nxe5 29. Qb4+ Ke8 30. Nd6+ Kd8 31. Nb7+ Ke8 32. Nd6+ 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "13"]
[White "Polugaevsky, Lev"]
[Black "Bobotsov, Milko"]
[Result "1/2-1/2"]
[ECO "B83"]
[EventDate "1966.06.21"]
[PlyCount "125"]

1. Nf3 c5 2. e4 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 d6 6. Be3 Nf6 7. f4 Be7 8. Be2 O-O 9. O-O Bd7 10. Kh1 Nxd4 11. Bxd4 Bc6 12. Bf3 d5 13. e5 Ne4 14. Qd3 Bc5 15. Rad1 Nxc3 16. Qxc3 Bxd4 17. Qxd4 Qa5 18. Be2 Qa4 19. Qxa4 Bxa4 20. b3 Bc6 21. Rd4 a6 22. a4 a5 23. Kg1 Rab8 24. Kf2 f6 25. Ke3 fxe5 26. fxe5 Rxf1 27. Bxf1 b5 28. axb5 Bxb5 29. Bxb5 Rxb5 30. Rf4 h5 31. Kd3 Kh7 32. Rf7 Kg6 33. Re7 Kf5 34. Rxg7 h4 35. Kd4 Rb4+ 36. c4 a4 37. Rf7+ Kg6 38. Rf6+ Kg5 39. Kc5 Rxb3 40. cxd5 exd5 41. Rf2 d4 42. e6 Re3 43. Kd6 d3 44. e7 Re4 45. Kd7 Rd4+ 46. Kc6 Re4 47. Kd6 a3 48. Kd7 Rd4+ 49. Ke6 d2 50. Rf5+ Kh6 51. Rh5+ Kg7 52. Rg5+ Kh6 53. Rh5+ Kg7 54. e8=Q Re4+ 55. Re5 Rxe5+ 56. Kxe5 d1=Q 57. Qe7+ Kg6 58. Qf6+ Kh5 59. Qh8+ Kg6 60. Qg8+ Kh6 61. Qe6+ Kh5 62. Qf5+ Kh6 63. Qf8+ 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "13"]
[White "Spassky, Boris"]
[Black "Antoshin, Vladimir"]
[Result "1/2-1/2"]
[ECO "C68"]
[EventDate "1966.06.21"]
[PlyCount "32"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 f6 6. d4 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd6 9. Be3 Ne7 10. O-O-O Bd7 11. Nb3 O-O-O 12. Nc5 Ng6 13. Nxd7 Rxd7 14. f3 Re8 15. g3 Ne5 16. Rhf1 Red8 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "13"]
[White "Vladimirov, Boris"]
[Black "Sergievsky, Vladimir"]
[Result "1-0"]
[ECO "A56"]
[EventDate "1966.06.21"]
[PlyCount "105"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. g3 Na6 7. Bh3 Nc7 8. Bxc8 Qxc8 9. Nf3 Qd7 10. Qe2 a6 11. a4 Rb8 12. O-O O-O 13. a5 b5 14. axb6 Rxb6 15. Ne1 Qh3 16. Nd3 Re8 17. Ra3 h6 18. Na4 Rb7 19. Bd2 Reb8 20. Bc3 Rb3 21. Rxb3 Rxb3 22. f3 Nh5 23. Qc2 Rb7 24. Nf2 Qc8 25. Qe2 Qe8 26. Ra1 g6 27. Nd3 Qb8 28. f4 exf4 29. gxf4 Ne8 30. f5 Qc8 31. fxg6 fxg6 32. e5 Neg7 33. e6 Nf5 34. Qg4 Bg5 35. Kh1 Ne3 36. Qe4 Nf5 37. Rg1 Qe8 38. Naxc5 dxc5 39. Nxc5 Rh7 40. Qe5 Rg7 41. Nd7 Qd8 42. Rg4 Kh7 43. b4 Ne3 44. Re4 Nd1 45. Bd4 Nf6 46. Re1 Nf2+ 47. Bxf2 Nxd7 48. exd7 Re7 49. Qd4 Rxd7 50. Re6 Qf8 51. Qe4 Rg7 52. Kg2 Qxb4 53. h4 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "14"]
[White "Antoshin, Vladimir"]
[Black "Ortega, Lexy"]
[Result "1-0"]
[ECO "E14"]
[EventDate "1966.06.21"]
[PlyCount "79"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. a3 Be7 6. e3 b6 7. Bd3 d5 8. b3 Nbd7 9. O-O Bb7 10. Bb2 a5 11. Qc2 a4 12. b4 c5 13. dxc5 bxc5 14. cxd5 exd5 15. bxc5 Rc8 16. Rab1 Rxc5 17. Qxa4 Ra5 18. Qd4 Qa8 19. Bf5 Ra4 20. Qc3 Rc8 21. Qb3 Nc5 22. Qd1 Rd8 23. Bxf6 Bxf6 24. Qc2 Ra5 25. Bxh7+ Kf8 26. Nd4 Nd7 27. Qc7 Ra7 28. Nb5 Be5 29. Qc2 Ra5 30. Nf3 Bf6 31. Bf5 Kg8 32. Bh7+ Kf8 33. Rfd1 Be7 34. Bf5 Rc8 35. Nc7 Qb8 36. Bxd7 Rxc7 37. Qh7 Bd8 38. Ne5 d4 39. Qh8+ Ke7 40. Qe8+ 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "14"]
[White "Barcza, Gedeon"]
[Black "Vladimirov, Boris"]
[Result "1-0"]
[ECO "E61"]
[EventDate "1966.06.21"]
[PlyCount "105"]

1. d4 g6 2. Nf3 Bg7 3. c4 d6 4. Nc3 Nf6 5. e3 O-O 6. Be2 c6 7. O-O Nbd7 8. b3 Re8 9. Ba3 Qa5 10. Qc1 a6 11. b4 Qc7 12. Bb2 e5 13. Qc2 Nf8 14. dxe5 dxe5 15. c5 Bg4 16. Nd2 Bf5 17. e4 Be6 18. Nd1 a5 19. a3 axb4 20. axb4 Rxa1 21. Bxa1 Ra8 22. Bb2 N6d7 23. Nc4 b6 24. cxb6 Nxb6 25. Na5 Bd7 26. Ne3 Qd6 27. Nac4 Nxc4 28. Nxc4 Qb8 29. Qd2 Ra2 30. Ra1 Qa7 31. Qc1 Ne6 32. Nxe5 Be8 33. Bc4 Ra4 34. Qd1 Rxa1 35. Qxa1 Qxa1+ 36. Bxa1 Nc7 37. Bb2 Nb5 38. f3 Nd6 39. Bb3 Nb7 40. Nd3 Bf8 41. Bd4 Bd7 42. Kf2 Be6 43. Ba4 Bd7 44. Ne5 Bg7 45. Ke3 Bxe5 46. Bxe5 Kf8 47. Bd4 Ke7 48. Bc5+ Kf6 49. f4 Nd8 50. Bb6 Ne6 51. g4 g5 52. f5 Nf4 53. Bd8+ 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "14"]
[White "Bobotsov, Milko"]
[Black "Spassky, Boris"]
[Result "1/2-1/2"]
[ECO "D35"]
[EventDate "1966.06.21"]
[PlyCount "34"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Nf3 c6 6. Bf4 Bf5 7. e3 Nf6 8. Bd3 Bxd3 9. Qxd3 Nbd7 10. O-O O-O 11. h3 Re8 12. Ne5 Nxe5 13. Bxe5 Bd6 14. Bxd6 Qxd6 15. Rab1 a5 16. Rfc1 Ne4 17. Nxe4 Rxe4 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "14"]
[White "Bradvarevic, Aleksandar"]
[Black "Matulovic, Milan"]
[Result "0-1"]
[ECO "B47"]
[EventDate "1966.06.21"]
[PlyCount "70"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. a3 Nxd4 9. Qxd4 Bd6 10. g3 Be5 11. Qd3 b5 12. f4 Bxc3 13. bxc3 Bb7 14. e5 Ne4 15. Bf3 f5 16. exf6 Nxf6 17. Bxb7 Qxb7 18. Qf3 Qxf3 19. Rxf3 Ne4 20. Re3 d5 21. Kf1 Kd7 22. Ke2 Rhc8 23. Bb2 Rc4 24. Rd1 g6 25. Rd4 Nd6 26. Rf3 Rac8 27. Kd1 R4c6 28. g4 Rf8 29. Bc1 Ne4 30. Bd2 Kd6 31. Be1 h5 32. g5 Rfc8 33. Re3 Nxc3+ 34. Bxc3 Rxc3 35. Rxc3 Rxc3 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "14"]
[White "Fuchs, Reinhart"]
[Black "Korchnoi, Viktor"]
[Result "0-1"]
[ECO "B84"]
[EventDate "1966.06.21"]
[PlyCount "82"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be2 Qc7 7. O-O Nf6 8. Be3 d6 9. f4 Bd7 10. f5 Be7 11. fxe6 fxe6 12. Bc4 Nxd4 13. Qxd4 O-O 14. Bb3 Kh8 15. h3 b5 16. Rad1 Rab8 17. a3 a5 18. Qd3 b4 19. axb4 axb4 20. e5 dxe5 21. Ne2 Bb5 22. Qd2 Bc5 23. Bxc5 Qxc5+ 24. Kh2 Ne4 25. Rxf8+ Rxf8 26. Qe1 Nf2 27. Ra1 e4 28. Ng3 Bc6 29. Qe2 Bd5 30. Rf1 Kg8 31. Qh5 Qd6 32. Qe2 Qf4 33. Re1 g6 34. Qe3 Qh4 35. Qe2 h5 36. Bxd5 exd5 37. Qa6 Kg7 38. Qb7+ Kh6 39. Qxb4 Qf4 40. h4 Qxh4+ 41. Kg1 Nh3+ 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "14"]
[White "Krogius, Nikolai"]
[Black "Bertok, Mario"]
[Result "1-0"]
[ECO "B22"]
[EventDate "1966.06.21"]
[PlyCount "107"]

1. Nf3 g6 2. e4 c5 3. d4 Bg7 4. c3 cxd4 5. cxd4 Nf6 6. e5 Nd5 7. Bc4 Nb6 8. Bb3 d6 9. Ng5 O-O 10. e6 f6 11. Nf7 Qe8 12. d5 Rxf7 13. exf7+ Qxf7 14. O-O N8d7 15. Nc3 f5 16. Re1 Nf6 17. Qe2 Kf8 18. Be3 Nbxd5 19. Nxd5 Nxd5 20. Rad1 e6 21. Bxd5 exd5 22. Qd2 Bd7 23. Qb4 Bc6 24. Qxd6+ Kg8 25. Bd4 Bxd4 26. Rxd4 Re8 27. Rdd1 a6 28. f3 Qf8 29. Rxe8 Qxe8 30. Kf2 Qf8 31. Qxf8+ Kxf8 32. Ke3 Ke7 33. Kd4 Kd6 34. g4 f4 35. h4 h6 36. Re1 Bd7 37. b4 b6 38. Re5 Be6 39. a3 Bf7 40. a4 Be6 41. a5 b5 42. Re2 Bd7 43. Re1 Be6 44. Re5 Bf7 45. h5 gxh5 46. gxh5 Be6 47. Re1 Bf7 48. Rg1 Ke6 49. Rg7 Bxh5 50. Rh7 Bxf3 51. Rxh6+ Kf5 52. Rxa6 Be4 53. Rc6 f3 54. Rc1 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "14"]
[White "Sergievsky, Vladimir"]
[Black "Lein, Anatoly"]
[Result "1/2-1/2"]
[ECO "D13"]
[EventDate "1966.06.21"]
[PlyCount "34"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 e6 6. Bf4 Bd6 7. Bxd6 Qxd6 8. e3 O-O 9. Bd3 Bd7 10. O-O Nc6 11. Rc1 Rfc8 12. Qe2 e5 13. Nb5 Qe7 14. Nxe5 Nxe5 15. dxe5 Qxe5 16. Nd4 Rc7 17. Rxc7 Qxc7 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "14"]
[White "Zakharov, Igor"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[ECO "B22"]
[EventDate "1966.06.21"]
[PlyCount "82"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nc6 6. Be3 c4 7. b3 cxb3 8. axb3 Bd6 9. Bd3 Nge7 10. Nh4 O-O 11. O-O Qc7 12. h3 Be6 13. Nd2 Qd7 14. Qh5 g6 15. Qf3 f6 16. Bf4 Rac8 17. Rfe1 Ne5 18. Bxe5 fxe5 19. Qe2 e4 20. Bxe4 dxe4 21. Nxe4 Nf5 22. Nxd6 Qxd6 23. Qxe6+ Qxe6 24. Rxe6 Nxh4 25. Rxa7 Rxc3 26. Rxb7 Rf7 27. Re8+ Kg7 28. Ree7 Rxe7 29. Rxe7+ Kh6 30. b4 Rc4 31. b5 Rb4 32. g3 Nf5 33. Rf7 Nxd4 34. f4 Ne2+ 35. Kf2 Rb2 36. Kf3 Ng1+ 37. Kg4 Rxb5 38. Re7 Rb3 39. h4 Nf3 40. Re4 Nh2+ 41. Kh3 Nf1 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "15"]
[White "Bertok, Mario"]
[Black "Fuchs, Reinhart"]
[Result "1/2-1/2"]
[ECO "D12"]
[EventDate "1966.06.21"]
[PlyCount "28"]

1. c4 Nf6 2. d4 c6 3. Nf3 d5 4. e3 Bf5 5. Nc3 e6 6. Bd3 Bxd3 7. Qxd3 Be7 8. O-O Nbd7 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 O-O 12. Bd2 a5 13. Rad1 Re8 14. h3 Qc7 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "15"]
[White "Korchnoi, Viktor"]
[Black "Antoshin, Vladimir"]
[Result "1-0"]
[ECO "E43"]
[EventDate "1966.06.21"]
[PlyCount "113"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. e3 O-O 6. Bd3 b6 7. O-O Bb7 8. Na4 Qe7 9. a3 Ba5 10. Rb1 Ne4 11. Ne1 d5 12. f3 Nf6 13. dxc5 Bxe1 14. Rxe1 bxc5 15. cxd5 exd5 16. b4 c4 17. Bc2 Nc6 18. Bb2 Rad8 19. b5 Nb8 20. Qd4 a6 21. Qh4 h6 22. bxa6 Bxa6 23. Bxf6 Qxf6 24. Qxf6 gxf6 25. Rb6 c3 26. Bf5 Bc8 27. Rxb8 Bxf5 28. Rxd8 Rxd8 29. Nxc3 d4 30. exd4 Rxd4 31. Rd1 Rc4 32. Nd5 Kg7 33. Ne3 Rc5 34. Nxf5+ Rxf5 35. a4 Ra5 36. Ra1 Kg6 37. Kf2 Kf5 38. Ke3 Ke5 39. Kd3 Kd5 40. Kc3 Kc5 41. Kb3 Kb6 42. Rd1 Rg5 43. g3 Kc5 44. a5 Rf5 45. Ra1 Rxf3+ 46. Kc2 Kc4 47. Ra4+ Kb5 48. a6 Kxa4 49. a7 Rf2+ 50. Kd3 Rxh2 51. a8=Q+ Kb5 52. Qb7+ Kc5 53. Qxf7 Kb6 54. Qxf6+ Kb7 55. g4 Rh3+ 56. Ke2 Rh2+ 57. Kf3 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "15"]
[White "Lein, Anatoly"]
[Black "Barcza, Gedeon"]
[Result "1-0"]
[ECO "D03"]
[EventDate "1966.06.21"]
[PlyCount "217"]

1. Nf3 g6 2. d4 Nf6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 c6 6. Bd3 Bf5 7. O-O Nbd7 8. Qe2 h6 9. Bxf6 Bxd3 10. Qxd3 Nxf6 11. Ne5 e6 12. c4 Qe7 13. cxd5 exd5 14. Rab1 O-O 15. Qc2 Nd7 16. Nd3 Nf6 17. b4 Rac8 18. Rfc1 Rc7 19. Rb3 Rfc8 20. a4 b6 21. a5 Ne8 22. axb6 axb6 23. Ra3 Nd6 24. Ra6 b5 25. Qc5 Bf8 26. Rca1 Qe8 27. Qc1 Nc4 28. Nb3 Bd6 29. Nbc5 Qe7 30. Ra8 Kg7 31. R8a2 Re8 32. Nb2 Kh7 33. Nbd3 Qf6 34. Qd1 Qf5 35. Qf3 Qxf3 36. gxf3 g5 37. Kg2 Kg6 38. Ra8 Rxa8 39. Rxa8 Nb6 40. Ra6 Nc4 41. Nb3 Kf5 42. h3 Ke6 43. Ra8 Kf6 44. e4 dxe4 45. fxe4 Kg6 46. Ra6 Kg7 47. Na5 Nxa5 48. bxa5 Ba3 49. Rb6 Rd7 50. d5 cxd5 51. e5 Rc7 52. Rxb5 Rc4 53. Rxd5 Ra4 54. Kf3 Kg6 55. Ke3 Kf5 56. f3 Bf8 57. Kd2 Ra3 58. Kc2 Be7 59. Rd7 Ke6 60. Ra7 Bd8 61. a6 Bb6 62. Ra8 Kf5 63. Rf8 Kg6 64. Rc8 Bd4 65. Rc4 Bg1 66. Rc6+ Kh5 67. Rd6 Kh4 68. Kb2 Ra5 69. Rxh6+ Kg3 70. Rf6 Kxh3 71. Kb3 Be3 72. Kb4 Bd2+ 73. Kc4 Be3 74. Rxf7 Rxa6 75. Kd5 Ra4 76. e6 Rd4+ 77. Kc6 Rxd3 78. e7 Rc3+ 79. Kd5 Rc8 80. Rf8 Bc5 81. Rxc8 Bxe7 82. Ke4 Bd6 83. Rc3 Bf4 84. Kf5 Kg3 85. Rb3 Kf2 86. Kg4 Ke2 87. Rb2+ Kd3 88. Rb5 Ke2 89. Rb2+ Kd3 90. Rb4 Bc1 91. Re4 Be3 92. Re5 Ke2 93. Kg3 Kd3 94. Kg2 Bf4 95. Re8 Be3 96. Kf1 Bd4 97. Re6 Bc3 98. Ra6 Bd4 99. Ra5 Ke3 100. Rf5 Bb6 101. Kg2 Bd8 102. Rd5 Bf6 103. Kg3 Ke2 104. Rf5 Bd8 105. Re5+ Kf1 106. Rd5 Bf6 107. Kg4 Ke2 108. Rf5 Bd8 109. Rf8 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "15"]
[White "Matulovic, Milan"]
[Black "Krogius, Nikolai"]
[Result "1/2-1/2"]
[ECO "B19"]
[EventDate "1966.06.21"]
[PlyCount "43"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. Bd3 Bxd3 9. Qxd3 Qc7 10. Bd2 Ngf6 11. O-O-O e6 12. c4 Bd6 13. Ne4 Bf4 14. Nxf6+ Nxf6 15. Bxf4 Qxf4+ 16. Qd2 Qxd2+ 17. Rxd2 Ke7 18. Rhd1 Rhd8 19. Ne5 Nd7 20. Nxd7 Rxd7 21. Kc2 Rad8 22. Kc3 1/2-1/2

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "15"]
[White "Ortega, Lexy"]
[Black "Bobotsov, Milko"]
[Result "0-1"]
[ECO "B97"]
[EventDate "1966.06.21"]
[PlyCount "76"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. e5 dxe5 11. fxe5 Nfd7 12. Bc4 Bb4 13. Rb3 Qa5 14. O-O O-O 15. Bf6 Nxf6 16. exf6 Rd8 17. Rxb4 Qxb4 18. Qg5 g6 19. Ne4 Qf8 20. c3 Nc6 21. Nxc6 bxc6 22. h4 Rd5 23. Bxd5 exd5 24. Ng3 h6 25. Qe3 Be6 26. h5 g5 27. Nf5 Bxf5 28. Rxf5 Re8 29. Re5 Rxe5 30. Qxe5 Qc8 31. Qe7 c5 32. Qd6 d4 33. cxd4 c4 34. Qe5 c3 35. Qe3 c2 36. Qc1 Qc4 37. Kh2 Qe2 38. Qb2 Qxh5+ 0-1

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "15"]
[White "Polugaevsky, Lev"]
[Black "Sergievsky, Vladimir"]
[Result "1-0"]
[ECO "D50"]
[EventDate "1966.06.21"]
[PlyCount "49"]

1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Bg5 c5 5. cxd5 Qb6 6. Bxf6 gxf6 7. e3 Qxb2 8. Bb5+ Bd7 9. Bxd7+ Nxd7 10. Nge2 cxd4 11. Rb1 dxc3 12. Rxb2 cxb2 13. Qb3 Bd6 14. O-O Nc5 15. Qxb2 Ke7 16. Nd4 Rac8 17. Rd1 Rhg8 18. Nb5 Be5 19. Qa3 exd5 20. Nxa7 Rc7 21. Rxd5 b6 22. Nb5 Rcc8 23. Qa7+ Kf8 24. f4 Ne4 25. Qa3+ 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "15"]
[White "Spassky, Boris"]
[Black "Zakharov, Igor"]
[Result "1-0"]
[ECO "C10"]
[EventDate "1966.06.21"]
[PlyCount "57"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Bc4 Be7 8. Bg5 O-O 9. Qe2 b6 10. O-O-O Bb7 11. Kb1 a5 12. h4 a4 13. a3 Ne4 14. Bd3 Nf6 15. Ne5 Ra5 16. Rh3 Kh8 17. Rg3 Qxd4 18. f4 Rd5 19. Rf1 Rdd8 20. Bxf6 Bxf6 21. Qh5 Be4 22. Bxe4 Qxe4 23. Nxf7+ Kg8 24. Nxd8 Qd4 25. Rc3 Rxd8 26. Qe2 Rd6 27. g4 g6 28. g5 Bg7 29. Qd3 1-0

[Event "6th Mikhail Chigorin Memorial"]
[Site "Sochi URS"]
[Date "1966.??.??"]
[Round "15"]
[White "Vladimirov, Boris"]
[Black "Bradvarevic, Aleksandar"]
[Result "1-0"]
[ECO "D36"]
[EventDate "1966.06.21"]
[PlyCount "103"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 O-O 8. Bd3 Nbd7 9. O-O-O Re8 10. h3 Nf8 11. g4 Be6 12. Kb1 Rc8 13. Nge2 c5 14. Bb5 N6d7 15. Bxe7 Rxe7 16. Nf4 a6 17. Bxd7 Rxd7 18. dxc5 Rxc5 19. Rd4 Rc4 20. Rhd1 Rxd4 21. Rxd4 Ng6 22. Nxg6 fxg6 23. Qd1 g5 24. Qd2 h6 25. a3 Kh8 26. Ka1 Kg8 27. Ne2 Qf6 28. f4 gxf4 29. Nxf4 Bf7 30. e4 g5 31. Nxd5 Qf1+ 32. Ka2 Qxh3 33. b3 Bxd5 34. exd5 Qf3 35. d6 Qf6 36. Rd5 Kg7 37. a4 Kg8 38. Qc2 Kg7 39. Qc4 Qf2+ 40. Ka3 Qf6 41. Rd1 Qe5 42. Ka2 b5 43. Qb4 bxa4 44. bxa4 Qe6+ 45. Kb2 Kg6 46. Qd4 Rb7+ 47. Kc1 Rd7 48. a5 Qf6 49. Qd3+ Kg7 50. Kc2 Qe6 51. Qd4+ Kg6 52. Kc3 1-0
