| 10th IBM chess tournament :: Amsterdam 1970 |
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| pos. | name | flag | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | pts | + | = | - |
| 1.-2. | GM Polugaevsky, Lev | ● | ½ | 1 | 1 | ½ | 1 | ½ | 1 | ½ | 1 | 1 | ½ | ½ | ½ | 1 | 1 | 11½ | 8 | 7 | 0 | |
| 1.-2. | GM Spassky, Boris | ½ | ● | ½ | ½ | ½ | ½ | ½ | 1 | 1 | 1 | ½ | 1 | 1 | 1 | 1 | 1 | 11½ | 8 | 7 | 0 | |
| 3. | GM Uhlmann, Wolfgang | 0 | ½ | ● | 1 | ½ | 1 | 1 | ½ | ½ | ½ | ½ | 1 | 1 | 1 | ½ | 1 | 10½ | 7 | 7 | 1 | |
| 4. | GM Geller, Efim | 0 | ½ | 0 | ● | ½ | ½ | ½ | 1 | 1 | ½ | ½ | 1 | 1 | 1 | 1 | 1 | 10 | 7 | 6 | 2 | |
| 5.-6. | GM Hort, Vlastimil | ½ | ½ | ½ | ½ | ● | 0 | ½ | ½ | 1 | 1 | ½ | ½ | ½ | ½ | ½ | 1 | 8½ | 3 | 11 | 1 | |
| 5.-6. | GM Gligorić, Svetozar | 0 | ½ | 0 | ½ | 1 | ● | ½ | 1 | ½ | ½ | ½ | ½ | ½ | 1 | 1 | ½ | 8½ | 4 | 9 | 2 | |
| 7.-8. | GM Tringov, Georgi | ½ | ½ | 0 | ½ | ½ | ½ | ● | 1 | ½ | ½ | ½ | ½ | ½ | ½ | ½ | ½ | 7½ | 1 | 13 | 1 | |
| 7.-8. | GM Janošević, Dragoljub | 0 | 0 | ½ | 0 | ½ | 0 | 0 | ● | ½ | ½ | 1 | 1 | 1 | ½ | 1 | 1 | 7½ | 5 | 5 | 5 | |
| 9. | GM Ćirić, Dragoljub | ½ | 0 | ½ | 0 | 0 | ½ | ½ | ½ | ● | ½ | ½ | ½ | ½ | 1 | ½ | 1 | 7 | 2 | 10 | 3 | |
| 10. | GM Donner, Jan | 0 | 0 | ½ | ½ | 0 | ½ | ½ | ½ | ½ | ● | 0 | ½ | ½ | 1 | 1 | ½ | 6½ | 2 | 9 | 4 | |
| 11. | IM Scholl, Eduard | 0 | ½ | ½ | ½ | ½ | ½ | ½ | 0 | ½ | 1 | ● | 0 | ½ | 0 | ½ | ½ | 6 | 1 | 10 | 4 | |
| 12.-13. | Csom, István | ½ | 0 | 0 | 0 | ½ | ½ | ½ | 0 | ½ | ½ | 1 | ● | ½ | ½ | 0 | ½ | 5½ | 1 | 9 | 5 | |
| 12.-13. | Hartoch, Robert | ½ | 0 | 0 | 0 | ½ | ½ | ½ | 0 | ½ | ½ | ½ | ½ | ● | ½ | ½ | ½ | 5½ | 0 | 11 | 4 | |
| 14.-15. | IM Langeweg, Christian | ½ | 0 | 0 | 0 | ½ | 0 | ½ | ½ | 0 | 0 | 1 | ½ | ½ | ● | ½ | ½ | 5 | 1 | 8 | 6 | |
| 14.-15. | IM Ree, Hans | 0 | 0 | ½ | 0 | ½ | 0 | ½ | 0 | ½ | 0 | ½ | 1 | ½ | ½ | ● | ½ | 5 | 1 | 8 | 6 | |
| 16. | Jongsma, Alexander | 0 | 0 | 0 | 0 | 0 | ½ | ½ | 0 | 0 | ½ | ½ | ½ | ½ | ½ | ½ | ● | 4 | 0 | 8 | 7 |
| 1st round — 14th July 1970 | |||||||||
| GM Ćirić, Dragoljub | ½ - ½ | IM Ree, Hans | |||||||
| GM Donner, Jan | ½ - ½ | Jongsma, Alexander | |||||||
| GM Geller, Efim | ½ - ½ | GM Hort, Vlastimil | |||||||
| Hartoch, Robert | ½ - ½ | GM Polugaevsky, Lev | |||||||
| GM Janošević, Dragoljub | ½ - ½ | GM Uhlmann, Wolfgang | |||||||
| IM Langeweg, Christian | ½ - ½ | Csom, István | |||||||
| GM Spassky, Boris | ½ - ½ | GM Gligorić, Svetozar | |||||||
| GM Tringov, Georgi | ½ - ½ | IM Scholl, Eduard | |||||||
| 1.-16. Polugaevsky, Spassky, Uhlmann, Geller, Hort, Gligorić, Tringov, Janošević, Ćirić, Donner, Scholl, Csom, Hartoch, Langeweg, Ree, Jongsma ½; | |||||||||
| 2nd round — 15th July 1970 | |||||||||
| GM Ćirić, Dragoljub | ½ - ½ | GM Janošević, Dragoljub | |||||||
| Csom, István | ½ - ½ | Hartoch, Robert | |||||||
| GM Gligorić, Svetozar | 1 - 0 | IM Langeweg, Christian | |||||||
| Jongsma, Alexander | 0 - 1 | GM Spassky, Boris | |||||||
| GM Polugaevsky, Lev | 1 - 0 | GM Geller, Efim | |||||||
| IM Ree, Hans | ½ - ½ | GM Hort, Vlastimil | |||||||
| IM Scholl, Eduard | 1 - 0 | GM Donner, Jan | |||||||
| GM Uhlmann, Wolfgang | 1 - 0 | GM Tringov, Georgi | |||||||
| 1.-5. Polugaevsky, Spassky, Uhlmann, Gligorić, Scholl 1½; 6.-11. Hort, Janošević, Ćirić, Csom, Hartoch, Ree 1; 12.-16. Geller, Tringov, Donner, Langeweg, Jongsma ½; | |||||||||
| 3rd round — 16th July 1970 | |||||||||
| GM Donner, Jan | ½ - ½ | GM Uhlmann, Wolfgang | |||||||
| GM Geller, Efim | 1 - 0 | Csom, István | |||||||
| Hartoch, Robert | ½ - ½ | GM Gligorić, Svetozar | |||||||
| GM Hort, Vlastimil | ½ - ½ | GM Polugaevsky, Lev | |||||||
| GM Janošević, Dragoljub | 1 - 0 | IM Ree, Hans | |||||||
| IM Langeweg, Christian | ½ - ½ | Jongsma, Alexander | |||||||
| GM Spassky, Boris | ½ - ½ | IM Scholl, Eduard | |||||||
| GM Tringov, Georgi | ½ - ½ | GM Ćirić, Dragoljub | |||||||
| 1.-6. Polugaevsky, Spassky, Uhlmann, Gligorić, Janošević, Scholl 2; 7.-10. Geller, Hort, Ćirić, Hartoch 1½; 11.-16. Tringov, Donner, Csom, Langeweg, Ree, Jongsma 1; | |||||||||
| 4th round — 17th July 1970 | |||||||||
| GM Ćirić, Dragoljub | ½ - ½ | GM Donner, Jan | |||||||
| Csom, István | ½ - ½ | GM Hort, Vlastimil | |||||||
| GM Gligorić, Svetozar | ½ - ½ | GM Geller, Efim | |||||||
| GM Janošević, Dragoljub | 0 - 1 | GM Tringov, Georgi | |||||||
| Jongsma, Alexander | ½ - ½ | Hartoch, Robert | |||||||
| IM Ree, Hans | 0 - 1 | GM Polugaevsky, Lev | |||||||
| IM Scholl, Eduard | 0 - 1 | IM Langeweg, Christian | |||||||
| GM Uhlmann, Wolfgang | ½ - ½ | GM Spassky, Boris | |||||||
| 1. Polugaevsky 3; 2.-4. Spassky, Uhlmann, Gligorić 2½; 5.-12. Geller, Hort, Tringov, Janošević, Ćirić, Scholl, Hartoch, Langeweg 2; 13.-15. Donner, Csom, Jongsma 1½; 16. Ree 1; | |||||||||
| 5th round — 18th July 1970 | |||||||||
| GM Donner, Jan | ½ - ½ | GM Janošević, Dragoljub | |||||||
| GM Geller, Efim | 1 - 0 | Jongsma, Alexander | |||||||
| Hartoch, Robert | ½ - ½ | IM Scholl, Eduard | |||||||
| GM Hort, Vlastimil | 0 - 1 | GM Gligorić, Svetozar | |||||||
| IM Langeweg, Christian | 0 - 1 | GM Uhlmann, Wolfgang | |||||||
| GM Polugaevsky, Lev | ½ - ½ | Csom, István | |||||||
| GM Spassky, Boris | 1 - 0 | GM Ćirić, Dragoljub | |||||||
| GM Tringov, Georgi | ½ - ½ | IM Ree, Hans | |||||||
| 1.-4. Polugaevsky, Spassky, Uhlmann, Gligorić 3½; 5. Geller 3; 6.-9. Tringov, Janošević, Scholl, Hartoch 2½; 10.-14. Hort, Ćirić, Donner, Csom, Langeweg 2; 15.-16. Ree, Jongsma 1½; | |||||||||
| 6th round — 20th July 1970 | |||||||||
| GM Ćirić, Dragoljub | 1 - 0 | IM Langeweg, Christian | |||||||
| GM Gligorić, Svetozar | 0 - 1 | GM Polugaevsky, Lev | |||||||
| GM Janošević, Dragoljub | 0 - 1 | GM Spassky, Boris | |||||||
| Jongsma, Alexander | 0 - 1 | GM Hort, Vlastimil | |||||||
| IM Ree, Hans | 1 - 0 | Csom, István | |||||||
| IM Scholl, Eduard | ½ - ½ | GM Geller, Efim | |||||||
| GM Tringov, Georgi | ½ - ½ | GM Donner, Jan | |||||||
| GM Uhlmann, Wolfgang | 1 - 0 | Hartoch, Robert | |||||||
| 1.-3. Polugaevsky, Spassky, Uhlmann 4½; 4.-5. Geller, Gligorić 3½; 6.-9. Hort, Tringov, Ćirić, Scholl 3; 10.-13. Janošević, Donner, Hartoch, Ree 2½; 14.-15. Csom, Langeweg 2; 16. Jongsma 1½; | |||||||||
| 7th round — 21st July 1970 | |||||||||
| Csom, István | ½ - ½ | GM Gligorić, Svetozar | |||||||
| GM Donner, Jan | 1 - 0 | IM Ree, Hans | |||||||
| GM Geller, Efim | 0 - 1 | GM Uhlmann, Wolfgang | |||||||
| Hartoch, Robert | ½ - ½ | GM Ćirić, Dragoljub | |||||||
| GM Hort, Vlastimil | ½ - ½ | IM Scholl, Eduard | |||||||
| IM Langeweg, Christian | ½ - ½ | GM Janošević, Dragoljub | |||||||
| GM Polugaevsky, Lev | 1 - 0 | Jongsma, Alexander | |||||||
| GM Spassky, Boris | ½ - ½ | GM Tringov, Georgi | |||||||
| 1.-2. Polugaevsky, Uhlmann 5½; 3. Spassky 5; 4. Gligorić 4; 5.-10. Geller, Hort, Tringov, Ćirić, Donner, Scholl 3½; 11.-12. Janošević, Hartoch 3; 13.-15. Csom, Langeweg, Ree 2½; 16. Jongsma 1½; | |||||||||
| 8th round — 22nd July 1970 | |||||||||
| GM Ćirić, Dragoljub | 0 - 1 | GM Geller, Efim | |||||||
| GM Donner, Jan | 0 - 1 | GM Spassky, Boris | |||||||
| GM Janošević, Dragoljub | 1 - 0 | Hartoch, Robert | |||||||
| Jongsma, Alexander | ½ - ½ | Csom, István | |||||||
| IM Ree, Hans | 0 - 1 | GM Gligorić, Svetozar | |||||||
| IM Scholl, Eduard | 0 - 1 | GM Polugaevsky, Lev | |||||||
| GM Tringov, Georgi | ½ - ½ | IM Langeweg, Christian | |||||||
| GM Uhlmann, Wolfgang | ½ - ½ | GM Hort, Vlastimil | |||||||
| 1. Polugaevsky 6½; 2.-3. Spassky, Uhlmann 6; 4. Gligorić 5; 5. Geller 4½; 6.-8. Hort, Tringov, Janošević 4; 9.-11. Ćirić, Donner, Scholl 3½; 12.-14. Csom, Hartoch, Langeweg 3; 15. Ree 2½; 16. Jongsma 2; | |||||||||
| 9th round — 24th July 1970 | |||||||||
| Csom, István | 1 - 0 | IM Scholl, Eduard | |||||||
| GM Geller, Efim | 1 - 0 | GM Janošević, Dragoljub | |||||||
| GM Gligorić, Svetozar | ½ - ½ | Jongsma, Alexander | |||||||
| Hartoch, Robert | ½ - ½ | GM Tringov, Georgi | |||||||
| GM Hort, Vlastimil | 1 - 0 | GM Ćirić, Dragoljub | |||||||
| IM Langeweg, Christian | 0 - 1 | GM Donner, Jan | |||||||
| GM Polugaevsky, Lev | 1 - 0 | GM Uhlmann, Wolfgang | |||||||
| GM Spassky, Boris | 1 - 0 | IM Ree, Hans | |||||||
| 1. Polugaevsky 7½; 2. Spassky 7; 3. Uhlmann 6; 4.-5. Geller, Gligorić 5½; 6. Hort 5; 7.-8. Tringov, Donner 4½; 9.-10. Janošević, Csom 4; 11.-13. Ćirić, Scholl, Hartoch 3½; 14. Langeweg 3; 15.-16. Ree, Jongsma 2½; | |||||||||
| 10th round — 25th July 1970 | |||||||||
| GM Ćirić, Dragoljub | ½ - ½ | GM Polugaevsky, Lev | |||||||
| GM Donner, Jan | ½ - ½ | Hartoch, Robert | |||||||
| GM Janošević, Dragoljub | ½ - ½ | GM Hort, Vlastimil | |||||||
| IM Ree, Hans | ½ - ½ | Jongsma, Alexander | |||||||
| IM Scholl, Eduard | ½ - ½ | GM Gligorić, Svetozar | |||||||
| GM Spassky, Boris | 1 - 0 | IM Langeweg, Christian | |||||||
| GM Tringov, Georgi | ½ - ½ | GM Geller, Efim | |||||||
| GM Uhlmann, Wolfgang | 1 - 0 | Csom, István | |||||||
| 1.-2. Polugaevsky, Spassky 8; 3. Uhlmann 7; 4.-5. Geller, Gligorić 6; 6. Hort 5½; 7.-8. Tringov, Donner 5; 9. Janošević 4½; 10.-13. Ćirić, Scholl, Csom, Hartoch 4; 14.-16. Langeweg, Ree, Jongsma 3; | |||||||||
| 11th round — 27th July 1970 | |||||||||
| Csom, István | ½ - ½ | GM Ćirić, Dragoljub | |||||||
| GM Geller, Efim | ½ - ½ | GM Donner, Jan | |||||||
| GM Gligorić, Svetozar | 0 - 1 | GM Uhlmann, Wolfgang | |||||||
| Hartoch, Robert | 0 - 1 | GM Spassky, Boris | |||||||
| GM Hort, Vlastimil | ½ - ½ | GM Tringov, Georgi | |||||||
| Jongsma, Alexander | ½ - ½ | IM Scholl, Eduard | |||||||
| IM Langeweg, Christian | ½ - ½ | IM Ree, Hans | |||||||
| GM Polugaevsky, Lev | 1 - 0 | GM Janošević, Dragoljub | |||||||
| 1.-2. Polugaevsky, Spassky 9; 3. Uhlmann 8; 4. Geller 6½; 5.-6. Hort, Gligorić 6; 7.-8. Tringov, Donner 5½; 9.-12. Janošević, Ćirić, Scholl, Csom 4½; 13. Hartoch 4; 14.-16. Langeweg, Ree, Jongsma 3½; | |||||||||
| 12th round — 28th July 1970 | |||||||||
| GM Ćirić, Dragoljub | ½ - ½ | GM Gligorić, Svetozar | |||||||
| GM Donner, Jan | 0 - 1 | GM Hort, Vlastimil | |||||||
| GM Janošević, Dragoljub | 1 - 0 | Csom, István | |||||||
| IM Langeweg, Christian | ½ - ½ | Hartoch, Robert | |||||||
| IM Ree, Hans | ½ - ½ | IM Scholl, Eduard | |||||||
| GM Spassky, Boris | ½ - ½ | GM Geller, Efim | |||||||
| GM Tringov, Georgi | ½ - ½ | GM Polugaevsky, Lev | |||||||
| GM Uhlmann, Wolfgang | 1 - 0 | Jongsma, Alexander | |||||||
| 1.-2. Polugaevsky, Spassky 9½; 3. Uhlmann 9; 4.-5. Geller, Hort 7; 6. Gligorić 6½; 7. Tringov 6; 8.-9. Janošević, Donner 5½; 10.-11. Ćirić, Scholl 5; 12.-13. Csom, Hartoch 4½; 14.-15. Langeweg, Ree 4; 16. Jongsma 3½; | |||||||||
| 13th round — 29th July 1970 | |||||||||
| Csom, István | ½ - ½ | GM Tringov, Georgi | |||||||
| GM Geller, Efim | 1 - 0 | IM Langeweg, Christian | |||||||
| GM Gligorić, Svetozar | 1 - 0 | GM Janošević, Dragoljub | |||||||
| Hartoch, Robert | ½ - ½ | IM Ree, Hans | |||||||
| GM Hort, Vlastimil | ½ - ½ | GM Spassky, Boris | |||||||
| Jongsma, Alexander | 0 - 1 | GM Ćirić, Dragoljub | |||||||
| GM Polugaevsky, Lev | 1 - 0 | GM Donner, Jan | |||||||
| IM Scholl, Eduard | ½ - ½ | GM Uhlmann, Wolfgang | |||||||
| 1. Polugaevsky 10½; 2. Spassky 10; 3. Uhlmann 9½; 4. Geller 8; 5.-6. Hort, Gligorić 7½; 7. Tringov 6½; 8. Ćirić 6; 9.-11. Janošević, Donner, Scholl 5½; 12.-13. Csom, Hartoch 5; 14. Ree 4½; 15. Langeweg 4; 16. Jongsma 3½; | |||||||||
| 14th round — 30th July 1970 | |||||||||
| GM Ćirić, Dragoljub | ½ - ½ | IM Scholl, Eduard | |||||||
| GM Donner, Jan | ½ - ½ | Csom, István | |||||||
| Hartoch, Robert | 0 - 1 | GM Geller, Efim | |||||||
| GM Janošević, Dragoljub | 1 - 0 | Jongsma, Alexander | |||||||
| IM Langeweg, Christian | ½ - ½ | GM Hort, Vlastimil | |||||||
| IM Ree, Hans | ½ - ½ | GM Uhlmann, Wolfgang | |||||||
| GM Spassky, Boris | ½ - ½ | GM Polugaevsky, Lev | |||||||
| GM Tringov, Georgi | ½ - ½ | GM Gligorić, Svetozar | |||||||
| 1. Polugaevsky 11; 2. Spassky 10½; 3. Uhlmann 10; 4. Geller 9; 5.-6. Hort, Gligorić 8; 7. Tringov 7; 8.-9. Janošević, Ćirić 6½; 10.-11. Donner, Scholl 6; 12. Csom 5½; 13.-14. Hartoch, Ree 5; 15. Langeweg 4½; 16. Jongsma 3½; | |||||||||
| 15th round — 1st August 1970 | |||||||||
| Csom, István | 0 - 1 | GM Spassky, Boris | |||||||
| GM Geller, Efim | 1 - 0 | IM Ree, Hans | |||||||
| GM Gligorić, Svetozar | ½ - ½ | GM Donner, Jan | |||||||
| GM Hort, Vlastimil | ½ - ½ | Hartoch, Robert | |||||||
| Jongsma, Alexander | ½ - ½ | GM Tringov, Georgi | |||||||
| GM Polugaevsky, Lev | ½ - ½ | IM Langeweg, Christian | |||||||
| IM Scholl, Eduard | 0 - 1 | GM Janošević, Dragoljub | |||||||
| GM Uhlmann, Wolfgang | ½ - ½ | GM Ćirić, Dragoljub | |||||||
| 1.-2. Polugaevsky, Spassky 11½; 3. Uhlmann 10½; 4. Geller 10; 5.-6. Hort, Gligorić 8½; 7.-8. Tringov, Janošević 7½; 9. Ćirić 7; 10. Donner 6½; 11. Scholl 6; 12.-13. Csom, Hartoch 5½; 14.-15. Langeweg, Ree 5; 16. Jongsma 4; | |||||||||
| 10th IBM chess tournament | |
| Dates: | 1970 |
| City: | Amsterdam (Netherlands) |
| Venue: | |
| Organizers: | Amsterdam chess club VAS |
| Chief Arbiter: | |
| Players participating: | 16 (incl. 10 GMs, 3 IMs) |
| Games played: | 120 |
| Competition format: | Round Robin |
| Tie-breaks: | none |
| Time control: | |
| PGN game file: | ibm-1970.pgn |