| 4th IBM chess tournament :: Amsterdam 1964 |
<< [ Competition summary || Crosstable || 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th || Information ] >>
| pos. | name | flag | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | pts | + | = | - |
| 1. | GM Larsen, Bent | ● | ½ | 1 | ½ | ½ | 1 | ½ | 1 | 1 | 1 | 7 | 5 | 4 | 0 | |
| 2. | GM Donner, Jan | ½ | ● | 1 | 1 | ½ | 0 | ½ | 1 | 1 | 1 | 6½ | 5 | 3 | 1 | |
| 3. | IM Dückstein, Andreas | 0 | 0 | ● | ½ | 1 | 1 | 1 | ½ | 1 | 1 | 6 | 5 | 2 | 2 | |
| 4. | IM Lehmann, Heinz | ½ | 0 | ½ | ● | ½ | ½ | 1 | 1 | ½ | 1 | 5½ | 3 | 5 | 1 | |
| 5. | IM Van Scheltinga, Theodore | ½ | ½ | 0 | ½ | ● | 1 | 0 | ½ | 1 | 1 | 5 | 3 | 4 | 2 | |
| 6. | IM Kuijpers, Franciscus | 0 | 1 | 0 | ½ | 0 | ● | 1 | 0 | 1 | 1 | 4½ | 4 | 1 | 4 | |
| 7.-8. | GM Barcza, Gedeon | ½ | ½ | 0 | 0 | 1 | 0 | ● | ½ | 0 | 1 | 3½ | 2 | 3 | 4 | |
| 7.-8. | GM Pirc, Vasja | 0 | 0 | ½ | 0 | ½ | 1 | ½ | ● | 0 | 1 | 3½ | 2 | 3 | 4 | |
| 9. | IM Enevoldsen, Jens | 0 | 0 | 0 | ½ | 0 | 0 | 1 | 1 | ● | ½ | 3 | 2 | 2 | 5 | |
| 10. | Van Geet, Dick Daniel | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ½ | ● | ½ | 0 | 1 | 8 |
| 1st round — 21st July 1964 | |||||||||
| IM Dückstein, Andreas | 1 - 0 | IM Enevoldsen, Jens | |||||||
| IM Kuijpers, Franciscus | 0 - 1 | GM Pirc, Vasja | |||||||
| GM Larsen, Bent | ½ - ½ | GM Donner, Jan | |||||||
| IM Lehmann, Heinz | 1 - 0 | GM Barcza, Gedeon | |||||||
| Van Geet, Dick Daniel | 0 - 1 | IM Van Scheltinga, Theodore | |||||||
| 1.-4. Dückstein, Lehmann, Van Scheltinga, Pirc 1; 5.-6. Larsen, Donner ½; 7.-10. Kuijpers, Barcza, Enevoldsen, Van Geet 0; | |||||||||
| 2nd round — 22nd July 1964 | |||||||||
| GM Donner, Jan | ½ - ½ | GM Barcza, Gedeon | |||||||
| IM Enevoldsen, Jens | ½ - ½ | Van Geet, Dick Daniel | |||||||
| GM Larsen, Bent | 1 - 0 | IM Kuijpers, Franciscus | |||||||
| GM Pirc, Vasja | ½ - ½ | IM Dückstein, Andreas | |||||||
| IM Van Scheltinga, Theodore | ½ - ½ | IM Lehmann, Heinz | |||||||
| 1.-5. Larsen, Dückstein, Lehmann, Van Scheltinga, Pirc 1½; 6. Donner 1; 7.-9. Barcza, Enevoldsen, Van Geet ½; 10. Kuijpers 0; | |||||||||
| 3rd round — 23rd July 1964 | |||||||||
| GM Barcza, Gedeon | 1 - 0 | IM Van Scheltinga, Theodore | |||||||
| IM Dückstein, Andreas | 0 - 1 | GM Larsen, Bent | |||||||
| IM Kuijpers, Franciscus | 1 - 0 | GM Donner, Jan | |||||||
| IM Lehmann, Heinz | ½ - ½ | IM Enevoldsen, Jens | |||||||
| Van Geet, Dick Daniel | 0 - 1 | GM Pirc, Vasja | |||||||
| 1.-2. Larsen, Pirc 2½; 3. Lehmann 2; 4.-6. Dückstein, Van Scheltinga, Barcza 1½; 7.-9. Donner, Kuijpers, Enevoldsen 1; 10. Van Geet ½; | |||||||||
| 4th round — 24th July 1964 | |||||||||
| GM Donner, Jan | ½ - ½ | IM Van Scheltinga, Theodore | |||||||
| IM Enevoldsen, Jens | 1 - 0 | GM Barcza, Gedeon | |||||||
| IM Kuijpers, Franciscus | 0 - 1 | IM Dückstein, Andreas | |||||||
| GM Larsen, Bent | 1 - 0 | Van Geet, Dick Daniel | |||||||
| GM Pirc, Vasja | 0 - 1 | IM Lehmann, Heinz | |||||||
| 1. Larsen 3½; 2. Lehmann 3; 3.-4. Dückstein, Pirc 2½; 5.-6. Van Scheltinga, Enevoldsen 2; 7.-8. Donner, Barcza 1½; 9. Kuijpers 1; 10. Van Geet ½; | |||||||||
| 5th round — 25th July 1964 | |||||||||
| GM Barcza, Gedeon | ½ - ½ | GM Pirc, Vasja | |||||||
| IM Dückstein, Andreas | 0 - 1 | GM Donner, Jan | |||||||
| IM Lehmann, Heinz | ½ - ½ | GM Larsen, Bent | |||||||
| Van Geet, Dick Daniel | 0 - 1 | IM Kuijpers, Franciscus | |||||||
| IM Van Scheltinga, Theodore | 1 - 0 | IM Enevoldsen, Jens | |||||||
| 1. Larsen 4; 2. Lehmann 3½; 3.-4. Van Scheltinga, Pirc 3; 5.-6. Donner, Dückstein 2½; 7.-9. Kuijpers, Barcza, Enevoldsen 2; 10. Van Geet ½; | |||||||||
| 6th round — 27th July 1964 | |||||||||
| GM Donner, Jan | 1 - 0 | IM Enevoldsen, Jens | |||||||
| IM Dückstein, Andreas | 1 - 0 | Van Geet, Dick Daniel | |||||||
| IM Kuijpers, Franciscus | ½ - ½ | IM Lehmann, Heinz | |||||||
| GM Larsen, Bent | ½ - ½ | GM Barcza, Gedeon | |||||||
| GM Pirc, Vasja | ½ - ½ | IM Van Scheltinga, Theodore | |||||||
| 1. Larsen 4½; 2. Lehmann 4; 3.-6. Donner, Dückstein, Van Scheltinga, Pirc 3½; 7.-8. Kuijpers, Barcza 2½; 9. Enevoldsen 2; 10. Van Geet ½; | |||||||||
| 7th round — 28th July 1964 | |||||||||
| GM Barcza, Gedeon | 0 - 1 | IM Kuijpers, Franciscus | |||||||
| IM Enevoldsen, Jens | 1 - 0 | GM Pirc, Vasja | |||||||
| IM Lehmann, Heinz | ½ - ½ | IM Dückstein, Andreas | |||||||
| Van Geet, Dick Daniel | 0 - 1 | GM Donner, Jan | |||||||
| IM Van Scheltinga, Theodore | ½ - ½ | GM Larsen, Bent | |||||||
| 1. Larsen 5; 2.-3. Donner, Lehmann 4½; 4.-5. Dückstein, Van Scheltinga 4; 6.-7. Kuijpers, Pirc 3½; 8. Enevoldsen 3; 9. Barcza 2½; 10. Van Geet ½; | |||||||||
| 8th round — 29th July 1964 | |||||||||
| GM Donner, Jan | 1 - 0 | GM Pirc, Vasja | |||||||
| IM Dückstein, Andreas | 1 - 0 | GM Barcza, Gedeon | |||||||
| IM Kuijpers, Franciscus | 0 - 1 | IM Van Scheltinga, Theodore | |||||||
| GM Larsen, Bent | 1 - 0 | IM Enevoldsen, Jens | |||||||
| Van Geet, Dick Daniel | 0 - 1 | IM Lehmann, Heinz | |||||||
| 1. Larsen 6; 2.-3. Donner, Lehmann 5½; 4.-5. Dückstein, Van Scheltinga 5; 6.-7. Kuijpers, Pirc 3½; 8. Enevoldsen 3; 9. Barcza 2½; 10. Van Geet ½; | |||||||||
| 9th round — 31st July 1964 | |||||||||
| GM Barcza, Gedeon | 1 - 0 | Van Geet, Dick Daniel | |||||||
| IM Enevoldsen, Jens | 0 - 1 | IM Kuijpers, Franciscus | |||||||
| IM Lehmann, Heinz | 0 - 1 | GM Donner, Jan | |||||||
| GM Pirc, Vasja | 0 - 1 | GM Larsen, Bent | |||||||
| IM Van Scheltinga, Theodore | 0 - 1 | IM Dückstein, Andreas | |||||||
| 1. Larsen 7; 2. Donner 6½; 3. Dückstein 6; 4. Lehmann 5½; 5. Van Scheltinga 5; 6. Kuijpers 4½; 7.-8. Barcza, Pirc 3½; 9. Enevoldsen 3; 10. Van Geet ½; | |||||||||
| 4th IBM chess tournament | |
| Dates: | 1964 |
| City: | Amsterdam (Netherlands) |
| Venue: | |
| Organizers: | Amsterdam chess club VAS |
| Chief Arbiter: | |
| Players participating: | 10 (incl. 4 GMs, 5 IMs) |
| Games played: | 45 |
| Competition format: | Round Robin |
| Tie-breaks: | none |
| Time control: | |
| PGN game file: | ibm-1964.pgn |