| 31st Dutch Chess Championship :: Leeuwarden 1975 |
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| pos. | name | Elo | flag | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | pts | + | = | - |
| 1. | GM Timman, Jan | 2510 | ● | ½ | ½ | ½ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 9½ | 8 | 3 | 0 | |
| 2. | IM Böhm, Hans | 2300 | ½ | ● | 1 | ½ | 1 | ½ | 1 | 1 | ½ | 1 | 1 | 1 | 9 | 7 | 4 | 0 | |
| 3.-4. | IM Hartoch, Robert | 2375 | ½ | 0 | ● | 1 | ½ | ½ | ½ | ½ | ½ | 1 | 1 | 1 | 7 | 4 | 6 | 1 | |
| 3.-4. | IM Ree, Hans | 2470 | ½ | ½ | 0 | ● | ½ | 1 | ½ | 1 | 1 | 1 | ½ | ½ | 7 | 4 | 6 | 1 | |
| 5. | Schouten, Nico | 0 | 0 | ½ | ½ | ● | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 6 | 5 | 2 | 4 | ||
| 6.-7. | Dieks, Roy | 2305 | 0 | ½ | ½ | 0 | 0 | ● | ½ | 1 | 1 | ½ | 1 | 0 | 5 | 3 | 4 | 4 | |
| 6.-7. | Vogel, Jaap | 2335 | 0 | 0 | ½ | ½ | 1 | ½ | ● | 0 | ½ | 1 | ½ | ½ | 5 | 2 | 6 | 3 | |
| 8.-9. | Du Chattel, Philippe | 0 | 0 | ½ | 0 | 0 | 0 | 1 | ● | 0 | 1 | 1 | 1 | 4½ | 4 | 1 | 6 | ||
| 8.-9. | IM Enklaar, Bertus | 2410 | 0 | ½ | ½ | 0 | 0 | 0 | ½ | 1 | ● | 0 | 1 | 1 | 4½ | 3 | 3 | 5 | |
| 10. | Borm, Franciscus | 0 | 0 | 0 | 0 | 1 | ½ | 0 | 0 | 1 | ● | ½ | ½ | 3½ | 2 | 3 | 6 | ||
| 11.-12. | Van Dop, Arend | 2340 | 0 | 0 | 0 | ½ | 0 | 0 | ½ | 0 | 0 | ½ | ● | 1 | 2½ | 1 | 3 | 7 | |
| 11.-12. | Van der Sterren, Paul | 0 | 0 | 0 | ½ | 0 | 1 | ½ | 0 | 0 | ½ | 0 | ● | 2½ | 1 | 3 | 7 |
| 1st round — 7th April 1975 | |||||||||
| IM Böhm, Hans | 2300 | ½ - ½ | 2510 | GM Timman, Jan | |||||
| IM Enklaar, Bertus | 2410 | 0 - 1 | Schouten, Nico | ||||||
| IM Hartoch, Robert | 2375 | 1 - 0 | Borm, Franciscus | ||||||
| Van Dop, Arend | 2340 | 0 - 1 | Du Chattel, Philippe | ||||||
| Van der Sterren, Paul | 1 - 0 | 2305 | Dieks, Roy | ||||||
| Vogel, Jaap | 2335 | ½ - ½ | 2470 | IM Ree, Hans | |||||
| 1.-4. Hartoch, Schouten, Du Chattel, Van der Sterren 1; 5.-8. Timman, Böhm, Ree, Vogel ½; 9.-12. Dieks, Enklaar, Borm, Van Dop 0; | |||||||||
| 2nd round — 8th April 1975 | |||||||||
| Borm, Franciscus | 0 - 1 | 2300 | IM Böhm, Hans | ||||||
| Du Chattel, Philippe | ½ - ½ | 2375 | IM Hartoch, Robert | ||||||
| IM Enklaar, Bertus | 2410 | ½ - ½ | 2335 | Vogel, Jaap | |||||
| IM Ree, Hans | 2470 | ½ - ½ | 2340 | Van Dop, Arend | |||||
| Schouten, Nico | 1 - 0 | 2305 | Dieks, Roy | ||||||
| GM Timman, Jan | 2510 | 1 - 0 | Van der Sterren, Paul | ||||||
| 1. Schouten 2; 2.-5. Timman, Böhm, Hartoch, Du Chattel 1½; 6.-8. Ree, Vogel, Van der Sterren 1; 9.-10. Enklaar, Van Dop ½; 11.-12. Dieks, Borm 0; | |||||||||
| 3rd round — 9th April 1975 | |||||||||
| IM Böhm, Hans | 2300 | 1 - 0 | Du Chattel, Philippe | ||||||
| Dieks, Roy | 2305 | 0 - 1 | 2510 | GM Timman, Jan | |||||
| IM Hartoch, Robert | 2375 | 1 - 0 | 2470 | IM Ree, Hans | |||||
| Van Dop, Arend | 2340 | 0 - 1 | 2410 | IM Enklaar, Bertus | |||||
| Van der Sterren, Paul | ½ - ½ | Borm, Franciscus | |||||||
| Vogel, Jaap | 2335 | 1 - 0 | Schouten, Nico | ||||||
| 1.-3. Timman, Böhm, Hartoch 2½; 4.-5. Schouten, Vogel 2; 6.-8. Du Chattel, Enklaar, Van der Sterren 1½; 9. Ree 1; 10.-11. Borm, Van Dop ½; 12. Dieks 0; | |||||||||
| 4th round — 10th April 1975 | |||||||||
| Borm, Franciscus | ½ - ½ | 2305 | Dieks, Roy | ||||||
| Du Chattel, Philippe | 1 - 0 | Van der Sterren, Paul | |||||||
| IM Enklaar, Bertus | 2410 | ½ - ½ | 2375 | IM Hartoch, Robert | |||||
| IM Ree, Hans | 2470 | ½ - ½ | 2300 | IM Böhm, Hans | |||||
| Schouten, Nico | 0 - 1 | 2510 | GM Timman, Jan | ||||||
| Vogel, Jaap | 2335 | ½ - ½ | 2340 | Van Dop, Arend | |||||
| 1. Timman 3½; 2.-3. Böhm, Hartoch 3; 4.-5. Vogel, Du Chattel 2½; 6.-7. Schouten, Enklaar 2; 8.-9. Ree, Van der Sterren 1½; 10.-11. Borm, Van Dop 1; 12. Dieks ½; | |||||||||
| 5th round — 11th April 1975 | |||||||||
| IM Böhm, Hans | 2300 | ½ - ½ | 2410 | IM Enklaar, Bertus | |||||
| Dieks, Roy | 2305 | 1 - 0 | Du Chattel, Philippe | ||||||
| IM Hartoch, Robert | 2375 | ½ - ½ | 2335 | Vogel, Jaap | |||||
| GM Timman, Jan | 2510 | 1 - 0 | Borm, Franciscus | ||||||
| Van Dop, Arend | 2340 | 0 - 1 | Schouten, Nico | ||||||
| Van der Sterren, Paul | ½ - ½ | 2470 | IM Ree, Hans | ||||||
| 1. Timman 4½; 2.-3. Böhm, Hartoch 3½; 4.-5. Schouten, Vogel 3; 6.-7. Du Chattel, Enklaar 2½; 8.-9. Ree, Van der Sterren 2; 10. Dieks 1½; 11.-12. Borm, Van Dop 1; | |||||||||
| 6th round — 12th April 1975 | |||||||||
| Du Chattel, Philippe | 0 - 1 | 2510 | GM Timman, Jan | ||||||
| IM Enklaar, Bertus | 2410 | 1 - 0 | Van der Sterren, Paul | ||||||
| IM Ree, Hans | 2470 | 1 - 0 | 2305 | Dieks, Roy | |||||
| Schouten, Nico | 0 - 1 | Borm, Franciscus | |||||||
| Van Dop, Arend | 2340 | 0 - 1 | 2375 | IM Hartoch, Robert | |||||
| Vogel, Jaap | 2335 | 0 - 1 | 2300 | IM Böhm, Hans | |||||
| 1. Timman 5½; 2.-3. Böhm, Hartoch 4½; 4. Enklaar 3½; 5.-7. Ree, Schouten, Vogel 3; 8. Du Chattel 2½; 9.-10. Borm, Van der Sterren 2; 11. Dieks 1½; 12. Van Dop 1; | |||||||||
| 7th round — 14th April 1975 | |||||||||
| IM Böhm, Hans | 2300 | 1 - 0 | 2340 | Van Dop, Arend | |||||
| Borm, Franciscus | 0 - 1 | Du Chattel, Philippe | |||||||
| Dieks, Roy | 2305 | 1 - 0 | 2410 | IM Enklaar, Bertus | |||||
| IM Hartoch, Robert | 2375 | ½ - ½ | Schouten, Nico | ||||||
| GM Timman, Jan | 2510 | ½ - ½ | 2470 | IM Ree, Hans | |||||
| Van der Sterren, Paul | ½ - ½ | 2335 | Vogel, Jaap | ||||||
| 1. Timman 6; 2. Böhm 5½; 3. Hartoch 5; 4.-8. Ree, Schouten, Vogel, Du Chattel, Enklaar 3½; 9.-10. Dieks, Van der Sterren 2½; 11. Borm 2; 12. Van Dop 1; | |||||||||
| 8th round — 15th April 1975 | |||||||||
| IM Enklaar, Bertus | 2410 | 0 - 1 | 2510 | GM Timman, Jan | |||||
| IM Hartoch, Robert | 2375 | 0 - 1 | 2300 | IM Böhm, Hans | |||||
| IM Ree, Hans | 2470 | 1 - 0 | Borm, Franciscus | ||||||
| Schouten, Nico | 1 - 0 | Du Chattel, Philippe | |||||||
| Van Dop, Arend | 2340 | 1 - 0 | Van der Sterren, Paul | ||||||
| Vogel, Jaap | 2335 | ½ - ½ | 2305 | Dieks, Roy | |||||
| 1. Timman 7; 2. Böhm 6½; 3. Hartoch 5; 4.-5. Ree, Schouten 4½; 6. Vogel 4; 7.-8. Du Chattel, Enklaar 3½; 9. Dieks 3; 10. Van der Sterren 2½; 11.-12. Borm, Van Dop 2; | |||||||||
| 9th round — 16th April 1975 | |||||||||
| IM Böhm, Hans | 2300 | 1 - 0 | Schouten, Nico | ||||||
| Borm, Franciscus | 1 - 0 | 2410 | IM Enklaar, Bertus | ||||||
| Dieks, Roy | 2305 | 1 - 0 | 2340 | Van Dop, Arend | |||||
| Du Chattel, Philippe | 0 - 1 | 2470 | IM Ree, Hans | ||||||
| GM Timman, Jan | 2510 | 1 - 0 | 2335 | Vogel, Jaap | |||||
| Van der Sterren, Paul | 0 - 1 | 2375 | IM Hartoch, Robert | ||||||
| 1. Timman 8; 2. Böhm 7½; 3. Hartoch 6; 4. Ree 5½; 5. Schouten 4½; 6.-7. Dieks, Vogel 4; 8.-9. Du Chattel, Enklaar 3½; 10. Borm 3; 11. Van der Sterren 2½; 12. Van Dop 2; | |||||||||
| 10th round — 17th April 1975 | |||||||||
| IM Böhm, Hans | 2300 | 1 - 0 | Van der Sterren, Paul | ||||||
| IM Enklaar, Bertus | 2410 | 1 - 0 | Du Chattel, Philippe | ||||||
| IM Hartoch, Robert | 2375 | ½ - ½ | 2305 | Dieks, Roy | |||||
| Schouten, Nico | ½ - ½ | 2470 | IM Ree, Hans | ||||||
| Van Dop, Arend | 2340 | 0 - 1 | 2510 | GM Timman, Jan | |||||
| Vogel, Jaap | 2335 | 1 - 0 | Borm, Franciscus | ||||||
| 1. Timman 9; 2. Böhm 8½; 3. Hartoch 6½; 4. Ree 6; 5.-6. Schouten, Vogel 5; 7.-8. Dieks, Enklaar 4½; 9. Du Chattel 3½; 10. Borm 3; 11. Van der Sterren 2½; 12. Van Dop 2; | |||||||||
| 11th round — 19th April 1975 | |||||||||
| Borm, Franciscus | ½ - ½ | 2340 | Van Dop, Arend | ||||||
| Dieks, Roy | 2305 | ½ - ½ | 2300 | IM Böhm, Hans | |||||
| Du Chattel, Philippe | 1 - 0 | 2335 | Vogel, Jaap | ||||||
| IM Ree, Hans | 2470 | 1 - 0 | 2410 | IM Enklaar, Bertus | |||||
| GM Timman, Jan | 2510 | ½ - ½ | 2375 | IM Hartoch, Robert | |||||
| Van der Sterren, Paul | 0 - 1 | Schouten, Nico | |||||||
| 1. Timman 9½; 2. Böhm 9; 3.-4. Hartoch, Ree 7; 5. Schouten 6; 6.-7. Dieks, Vogel 5; 8.-9. Du Chattel, Enklaar 4½; 10. Borm 3½; 11.-12. Van Dop, Van der Sterren 2½; | |||||||||
| 31st Dutch Chess Championship | |
| Dates: | 7th - 19th April 1975 |
| City: | Leeuwarden (Netherlands) |
| Venue: | |
| Organizers: | |
| Chief Arbiter: | |
| Players participating: | 12 (incl. 1 GM, 4 IMs) |
| Games played: | 66 |
| Competition format: | Round Robin |
| Tie-breaks: | none |
| Time control: | |
| Other websites: | Wikipedia NL Liquipedia 1975 Max Euwe Centre |
| PGN game file: | ned-1975.pgn |
|
As the only grandmaster in the field, Jan Timman fully lives up to his role as favorite. He loses only one and a half points in eleven rounds and wins his second title, as well as a cash prize of 2,500 guilders. Yet his lead over number two is only half a point, because candidate master Hans Böhm plays a surprisingly strong tournament. |