| 75th anniversary of the Leidsch Schaakgenootschap :: Oegstgeest 1970 |
[ Crosstable || 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th | 11th | 12th || Information ]
| pos. | name | flag | 1 | 2 | 3 | 4 | pts | + | = | - | ||||||||||||
| 1. | GM Spassky, Boris | ● | 1 | ½ | ½ | ½ | ½ | ½ | ½ | ½ | ½ | ½ | 1 | ½ | 7 | 2 | 10 | 0 | ||||
| 2. | GM Donner, Jan | 0 | ½ | ½ | ½ | ● | ½ | ½ | ½ | ½ | 1 | ½ | ½ | ½ | 6 | 1 | 10 | 1 | ||||
| 3.-4. | GM Botvinnik, Mikhail | ½ | ½ | ½ | ½ | ½ | ½ | ½ | ½ | ● | 0 | 1 | ½ | 0 | 5½ | 1 | 9 | 2 | ||||
| 3.-4. | GM Larsen, Bent | ½ | ½ | 0 | ½ | 0 | ½ | ½ | ½ | 1 | 0 | ½ | 1 | ● | 5½ | 2 | 7 | 3 | ||||
| 1st round — 17th April 1970 | |||||||||
| GM Botvinnik, Mikhail | ½ - ½ | GM Donner, Jan | |||||||
| GM Larsen, Bent | ½ - ½ | GM Spassky, Boris | |||||||
| 1.-4. Spassky, Donner, Botvinnik, Larsen ½; | |||||||||
| 2nd round — 19th April 1970 | |||||||||
| GM Larsen, Bent | 1 - 0 | GM Botvinnik, Mikhail | |||||||
| GM Spassky, Boris | 1 - 0 | GM Donner, Jan | |||||||
| 1.-2. Spassky, Larsen 1½; 3.-4. Donner, Botvinnik ½; | |||||||||
| 3rd round — 21st April 1970 | |||||||||
| GM Botvinnik, Mikhail | ½ - ½ | GM Spassky, Boris | |||||||
| GM Donner, Jan | 1 - 0 | GM Larsen, Bent | |||||||
| 1. Spassky 2; 2.-3. Donner, Larsen 1½; 4. Botvinnik 1; | |||||||||
| 4th round — 23rd April 1970 | |||||||||
| GM Donner, Jan | ½ - ½ | GM Botvinnik, Mikhail | |||||||
| GM Spassky, Boris | ½ - ½ | GM Larsen, Bent | |||||||
| 1. Spassky 2½; 2.-3. Donner, Larsen 2; 4. Botvinnik 1½; | |||||||||
| 5th round — 25th April 1970 | |||||||||
| GM Botvinnik, Mikhail | 1 - 0 | GM Larsen, Bent | |||||||
| GM Donner, Jan | ½ - ½ | GM Spassky, Boris | |||||||
| 1. Spassky 3; 2.-3. Donner, Botvinnik 2½; 4. Larsen 2; | |||||||||
| 6th round — 26th April 1970 | |||||||||
| GM Spassky, Boris | ½ - ½ | GM Botvinnik, Mikhail | |||||||
| GM Larsen, Bent | ½ - ½ | GM Donner, Jan | |||||||
| 1. Spassky 3½; 2.-3. Donner, Botvinnik 3; 4. Larsen 2½; | |||||||||
| 7th round — 28th April 1970 | |||||||||
| GM Botvinnik, Mikhail | ½ - ½ | GM Donner, Jan | |||||||
| GM Larsen, Bent | 0 - 1 | GM Spassky, Boris | |||||||
| 1. Spassky 4½; 2.-3. Donner, Botvinnik 3½; 4. Larsen 2½; | |||||||||
| 8th round — 30th April 1970 | |||||||||
| GM Larsen, Bent | ½ - ½ | GM Botvinnik, Mikhail | |||||||
| GM Spassky, Boris | ½ - ½ | GM Donner, Jan | |||||||
| 1. Spassky 5; 2.-3. Donner, Botvinnik 4; 4. Larsen 3; | |||||||||
| 9th round — 2nd May 1970 | |||||||||
| GM Botvinnik, Mikhail | ½ - ½ | GM Spassky, Boris | |||||||
| GM Donner, Jan | ½ - ½ | GM Larsen, Bent | |||||||
| 1. Spassky 5½; 2.-3. Donner, Botvinnik 4½; 4. Larsen 3½; | |||||||||
| 10th round — 3rd May 1970 | |||||||||
| GM Donner, Jan | ½ - ½ | GM Botvinnik, Mikhail | |||||||
| GM Spassky, Boris | ½ - ½ | GM Larsen, Bent | |||||||
| 1. Spassky 6; 2.-3. Donner, Botvinnik 5; 4. Larsen 4; | |||||||||
| 11th round — 5th May 1970 | |||||||||
| GM Botvinnik, Mikhail | 0 - 1 | GM Larsen, Bent | |||||||
| GM Donner, Jan | ½ - ½ | GM Spassky, Boris | |||||||
| 1. Spassky 6½; 2. Donner 5½; 3.-4. Botvinnik, Larsen 5; | |||||||||
| 12th round — 7th May 1970 | |||||||||
| GM Spassky, Boris | ½ - ½ | GM Botvinnik, Mikhail | |||||||
| GM Larsen, Bent | ½ - ½ | GM Donner, Jan | |||||||
| 1. Spassky 7; 2. Donner 6; 3.-4. Botvinnik, Larsen 5½; | |||||||||
| 75th anniversary of the Leidsch Schaakgenootschap | |
| Dates: | 17th April - 7th May 1970 |
| City: | Oegstgeest (Netherlands) |
| Venue: | |
| Organizers: | |
| Chief Arbiter: | |
| Players participating: | 4 (incl. 4 GMs) |
| Games played: | 24 |
| Competition format: | Quadruple Round Robin |
| Tie-breaks: | none |
| Time control: | |
| Website: | chessgames.com |
| PGN game file: | it-oegstgeest1970.pgn |