| 20th IBM chess tournament :: Amsterdam 1980 |
<< [ Competition summary || Crosstable || 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th | 11th | 12th | 13th | 14th || Information ] >>
| pos. | name | Elo | flag | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | pts | + | = | - | ||||||||
| 1. | GM Karpov, Anatoly | 2725 | ● | ½ | ½ | ½ | ½ | ½ | 1 | 0 | 1 | 1 | ½ | 1 | 1 | 1 | 1 | 10 | 7 | 6 | 1 | ||
| 2. | GM Timman, Jan | 2600 | ½ | ½ | ● | ½ | ½ | 1 | ½ | ½ | ½ | 1 | ½ | ½ | 1 | ½ | 1 | 9 | 4 | 10 | 0 | ||
| 3. | GM Sosonko, Gennadi | 2545 | ½ | ½ | ½ | ½ | ● | ½ | ½ | ½ | ½ | ½ | ½ | ½ | 1 | ½ | 1 | 8 | 2 | 12 | 0 | ||
| 4. | GM Hort, Vlastimil | 2595 | ½ | 0 | 0 | ½ | ½ | ½ | ● | 1 | ½ | ½ | ½ | ½ | 1 | ½ | 1 | 7½ | 3 | 9 | 2 | ||
| 5.-6. | GM Ribli, Zoltán | 2610 | 1 | 0 | ½ | ½ | ½ | ½ | 0 | ½ | ● | 1 | ½ | 0 | 1 | 1 | 0 | 7 | 4 | 6 | 4 | ||
| 5.-6. | IM Dolmatov, Sergei | 2535 | 0 | ½ | 0 | ½ | ½ | ½ | ½ | ½ | 0 | ½ | ● | 1 | ½ | 1 | 1 | 7 | 3 | 8 | 3 | ||
| 7. | IM Van der Wiel, John | 2465 | 0 | 0 | ½ | 0 | ½ | 0 | ½ | 0 | 1 | 0 | 0 | ½ | ● | 0 | 1 | 4 | 2 | 4 | 8 | ||
| 8. | GM Larsen, Bent | 2585 | 0 | 0 | ½ | 0 | ½ | 0 | ½ | 0 | 0 | 1 | 0 | 0 | 1 | 0 | ● | 3½ | 2 | 3 | 9 | ||
| 1st round | |||||||||
| GM Ribli, Zoltán | 2610 | 0 - 1 | 2595 | GM Hort, Vlastimil | |||||
| GM Larsen, Bent | 2590 | 0 - 1 | 2535 | IM Dolmatov, Sergei | |||||
| IM Van der Wiel, John | 2465 | 0 - 1 | 2725 | GM Karpov, Anatoly | |||||
| GM Timman, Jan | 2600 | ½ - ½ | 2545 | GM Sosonko, Gennadi | |||||
| 1.-3. Karpov, Hort, Dolmatov 1; 4.-5. Timman, Sosonko ½; 6.-8. Ribli, Van der Wiel, Larsen 0; | |||||||||
| 2nd round | |||||||||
| GM Karpov, Anatoly | 2725 | ½ - ½ | 2600 | GM Timman, Jan | |||||
| GM Ribli, Zoltán | 2610 | 1 - 0 | 2590 | GM Larsen, Bent | |||||
| IM Dolmatov, Sergei | 2535 | 1 - 0 | 2465 | IM Van der Wiel, John | |||||
| GM Hort, Vlastimil | 2595 | ½ - ½ | 2545 | GM Sosonko, Gennadi | |||||
| 1. Dolmatov 2; 2.-3. Karpov, Hort 1½; 4.-6. Timman, Sosonko, Ribli 1; 7.-8. Van der Wiel, Larsen 0; | |||||||||
| 3rd round | |||||||||
| GM Timman, Jan | 2600 | 1 - 0 | 2535 | IM Dolmatov, Sergei | |||||
| GM Sosonko, Gennadi | 2545 | ½ - ½ | 2725 | GM Karpov, Anatoly | |||||
| GM Larsen, Bent | 2590 | ½ - ½ | 2595 | GM Hort, Vlastimil | |||||
| IM Van der Wiel, John | 2465 | 1 - 0 | 2610 | GM Ribli, Zoltán | |||||
| 1.-4. Karpov, Timman, Hort, Dolmatov 2; 5. Sosonko 1½; 6.-7. Ribli, Van der Wiel 1; 8. Larsen ½; | |||||||||
| 4th round | |||||||||
| GM Hort, Vlastimil | 2595 | ½ - ½ | 2725 | GM Karpov, Anatoly | |||||
| GM Ribli, Zoltán | 2610 | ½ - ½ | 2600 | GM Timman, Jan | |||||
| GM Larsen, Bent | 2590 | 1 - 0 | 2465 | IM Van der Wiel, John | |||||
| IM Dolmatov, Sergei | 2535 | ½ - ½ | 2545 | GM Sosonko, Gennadi | |||||
| 1.-4. Karpov, Timman, Hort, Dolmatov 2½; 5. Sosonko 2; 6.-7. Ribli, Larsen 1½; 8. Van der Wiel 1; | |||||||||
| 5th round | |||||||||
| IM Van der Wiel, John | 2465 | ½ - ½ | 2595 | GM Hort, Vlastimil | |||||
| GM Timman, Jan | 2600 | ½ - ½ | 2590 | GM Larsen, Bent | |||||
| GM Karpov, Anatoly | 2725 | 1 - 0 | 2535 | IM Dolmatov, Sergei | |||||
| GM Sosonko, Gennadi | 2545 | ½ - ½ | 2610 | GM Ribli, Zoltán | |||||
| 1. Karpov 3½; 2.-3. Timman, Hort 3; 4.-5. Sosonko, Dolmatov 2½; 6.-7. Ribli, Larsen 2; 8. Van der Wiel 1½; | |||||||||
| 6th round | |||||||||
| IM Van der Wiel, John | 2465 | ½ - ½ | 2600 | GM Timman, Jan | |||||
| GM Hort, Vlastimil | 2595 | ½ - ½ | 2535 | IM Dolmatov, Sergei | |||||
| GM Ribli, Zoltán | 2610 | 1 - 0 | 2725 | GM Karpov, Anatoly | |||||
| GM Larsen, Bent | 2590 | ½ - ½ | 2545 | GM Sosonko, Gennadi | |||||
| 1.-3. Karpov, Timman, Hort 3½; 4.-6. Sosonko, Ribli, Dolmatov 3; 7. Larsen 2½; 8. Van der Wiel 2; | |||||||||
| 7th round | |||||||||
| IM Dolmatov, Sergei | 2535 | 0 - 1 | 2610 | GM Ribli, Zoltán | |||||
| GM Karpov, Anatoly | 2725 | 1 - 0 | 2590 | GM Larsen, Bent | |||||
| GM Timman, Jan | 2600 | 1 - 0 | 2595 | GM Hort, Vlastimil | |||||
| GM Sosonko, Gennadi | 2545 | ½ - ½ | 2465 | IM Van der Wiel, John | |||||
| 1.-2. Karpov, Timman 4½; 3. Ribli 4; 4.-5. Sosonko, Hort 3½; 6. Dolmatov 3; 7.-8. Van der Wiel, Larsen 2½; | |||||||||
| 8th round | |||||||||
| GM Sosonko, Gennadi | 2545 | ½ - ½ | 2600 | GM Timman, Jan | |||||
| IM Dolmatov, Sergei | 2535 | 1 - 0 | 2590 | GM Larsen, Bent | |||||
| GM Hort, Vlastimil | 2595 | ½ - ½ | 2610 | GM Ribli, Zoltán | |||||
| GM Karpov, Anatoly | 2725 | 1 - 0 | 2465 | IM Van der Wiel, John | |||||
| 1. Karpov 5½; 2. Timman 5; 3. Ribli 4½; 4.-6. Sosonko, Hort, Dolmatov 4; 7.-8. Van der Wiel, Larsen 2½; | |||||||||
| 9th round | |||||||||
| IM Van der Wiel, John | 2465 | ½ - ½ | 2535 | IM Dolmatov, Sergei | |||||
| GM Sosonko, Gennadi | 2545 | ½ - ½ | 2595 | GM Hort, Vlastimil | |||||
| GM Larsen, Bent | 2590 | 1 - 0 | 2610 | GM Ribli, Zoltán | |||||
| GM Timman, Jan | 2600 | ½ - ½ | 2725 | GM Karpov, Anatoly | |||||
| 1. Karpov 6; 2. Timman 5½; 3.-6. Sosonko, Hort, Ribli, Dolmatov 4½; 7. Larsen 3½; 8. Van der Wiel 3; | |||||||||
| 10th round | |||||||||
| IM Dolmatov, Sergei | 2535 | ½ - ½ | 2600 | GM Timman, Jan | |||||
| GM Karpov, Anatoly | 2725 | ½ - ½ | 2545 | GM Sosonko, Gennadi | |||||
| GM Hort, Vlastimil | 2595 | 1 - 0 | 2590 | GM Larsen, Bent | |||||
| GM Ribli, Zoltán | 2610 | 1 - 0 | 2465 | IM Van der Wiel, John | |||||
| 1. Karpov 6½; 2. Timman 6; 3.-4. Hort, Ribli 5½; 5.-6. Sosonko, Dolmatov 5; 7. Larsen 3½; 8. Van der Wiel 3; | |||||||||
| 11th round | |||||||||
| GM Karpov, Anatoly | 2725 | 1 - 0 | 2595 | GM Hort, Vlastimil | |||||
| IM Van der Wiel, John | 2465 | 1 - 0 | 2590 | GM Larsen, Bent | |||||
| GM Timman, Jan | 2600 | ½ - ½ | 2610 | GM Ribli, Zoltán | |||||
| GM Sosonko, Gennadi | 2545 | ½ - ½ | 2535 | IM Dolmatov, Sergei | |||||
| 1. Karpov 7½; 2. Timman 6½; 3. Ribli 6; 4.-6. Sosonko, Hort, Dolmatov 5½; 7. Van der Wiel 4; 8. Larsen 3½; | |||||||||
| 12th round | |||||||||
| GM Ribli, Zoltán | 2610 | ½ - ½ | 2545 | GM Sosonko, Gennadi | |||||
| GM Larsen, Bent | 2590 | 0 - 1 | 2600 | GM Timman, Jan | |||||
| GM Hort, Vlastimil | 2595 | 1 - 0 | 2465 | IM Van der Wiel, John | |||||
| IM Dolmatov, Sergei | 2535 | ½ - ½ | 2725 | GM Karpov, Anatoly | |||||
| 1. Karpov 8; 2. Timman 7½; 3.-4. Hort, Ribli 6½; 5.-6. Sosonko, Dolmatov 6; 7. Van der Wiel 4; 8. Larsen 3½; | |||||||||
| 13th round | |||||||||
| GM Karpov, Anatoly | 2725 | 1 - 0 | 2610 | GM Ribli, Zoltán | |||||
| GM Sosonko, Gennadi | 2545 | 1 - 0 | 2590 | GM Larsen, Bent | |||||
| GM Timman, Jan | 2600 | 1 - 0 | 2465 | IM Van der Wiel, John | |||||
| IM Dolmatov, Sergei | 2535 | ½ - ½ | 2595 | GM Hort, Vlastimil | |||||
| 1. Karpov 9; 2. Timman 8½; 3.-4. Sosonko, Hort 7; 5.-6. Ribli, Dolmatov 6½; 7. Van der Wiel 4; 8. Larsen 3½; | |||||||||
| 14th round | |||||||||
| IM Van der Wiel, John | 2465 | 0 - 1 | 2545 | GM Sosonko, Gennadi | |||||
| GM Ribli, Zoltán | 2610 | ½ - ½ | 2535 | IM Dolmatov, Sergei | |||||
| GM Larsen, Bent | 2590 | 0 - 1 | 2725 | GM Karpov, Anatoly | |||||
| GM Hort, Vlastimil | 2595 | ½ - ½ | 2600 | GM Timman, Jan | |||||
| 1. Karpov 10; 2. Timman 9; 3. Sosonko 8; 4. Hort 7½; 5.-6. Ribli, Dolmatov 7; 7. Van der Wiel 4; 8. Larsen 3½; | |||||||||
| 20th IBM chess tournament | |
| Dates: | 1980 |
| City: | Amsterdam (Netherlands) |
| Venue: | |
| Organizers: | Amsterdam chess club VAS |
| Chief Arbiter: | |
| Players participating: | 8 (incl. 6 GMs, 2 IMs) |
| Games played: | 56 |
| Competition format: | Double Round Robin |
| Tie-breaks: | none |
| Time control: | |
| PGN game file: | ibm-1980.pgn |