| 9th IBM chess tournament :: Amsterdam 1969 |
<< [ Competition summary || Crosstable || 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th | 11th | 12th | 13th | 14th | 15th || Information ] >>
| pos. | name | flag | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | pts | + | = | - |
| 1. | GM Portisch, Lajos | ● | ½ | ½ | ½ | ½ | ½ | ½ | 1 | 1 | ½ | 1 | 1 | 1 | 1 | 1 | 1 | 11½ | 8 | 7 | 0 | |
| 2. | Liberzon, Vladimir | ½ | ● | ½ | ½ | ½ | ½ | 1 | ½ | ½ | 1 | 1 | ½ | ½ | ½ | 1 | 1 | 10 | 5 | 10 | 0 | |
| 3. | GM Vasiukov, Evgeny | ½ | ½ | ● | 0 | ½ | ½ | ½ | ½ | ½ | 1 | 1 | ½ | 1 | ½ | 1 | 1 | 9½ | 5 | 9 | 1 | |
| 4.-5. | GM Damjanović, Mato | ½ | ½ | 1 | ● | ½ | 0 | ½ | ½ | 1 | ½ | 0 | 1 | ½ | ½ | 1 | 1 | 9 | 5 | 8 | 2 | |
| 4.-5. | GM Stein, Leonid | ½ | ½ | ½ | ½ | ● | ½ | 0 | ½ | ½ | 0 | ½ | 1 | 1 | 1 | 1 | 1 | 9 | 5 | 8 | 2 | |
| 6.-8. | GM Byrne, Robert | ½ | ½ | ½ | 1 | ½ | ● | ½ | ½ | ½ | ½ | ½ | ½ | ½ | 1 | 1 | 0 | 8½ | 3 | 11 | 1 | |
| 6.-8. | GM Darga, Klaus | ½ | 0 | ½ | ½ | 1 | ½ | ● | ½ | ½ | 1 | ½ | ½ | ½ | ½ | ½ | 1 | 8½ | 3 | 11 | 1 | |
| 6.-8. | GM Ivkov, Borislav | 0 | ½ | ½ | ½ | ½ | ½ | ½ | ● | ½ | ½ | 1 | 1 | 1 | ½ | ½ | ½ | 8½ | 3 | 11 | 1 | |
| 9. | GM Kaválek, Lubomír | 0 | ½ | ½ | 0 | ½ | ½ | ½ | ½ | ● | ½ | ½ | 1 | ½ | 1 | ½ | 1 | 8 | 3 | 10 | 2 | |
| 10. | IM Ree, Hans | ½ | 0 | 0 | ½ | 1 | ½ | 0 | ½ | ½ | ● | 0 | ½ | ½ | ½ | ½ | 1 | 6½ | 2 | 9 | 4 | |
| 11.-13. | IM Tatai, Stefano | 0 | 0 | 0 | 1 | ½ | ½ | ½ | 0 | ½ | 1 | ● | 0 | ½ | ½ | ½ | ½ | 6 | 2 | 8 | 5 | |
| 11.-13. | GM Gheorghiu, Florin | 0 | ½ | ½ | 0 | 0 | ½ | ½ | 0 | 0 | ½ | 1 | ● | ½ | 1 | ½ | ½ | 6 | 2 | 8 | 5 | |
| 11.-13. | Hartoch, Robert | 0 | ½ | 0 | ½ | 0 | ½ | ½ | 0 | ½ | ½ | ½ | ½ | ● | ½ | ½ | 1 | 6 | 1 | 10 | 4 | |
| 14. | GM Donner, Jan | 0 | ½ | ½ | ½ | 0 | 0 | ½ | ½ | 0 | ½ | ½ | 0 | ½ | ● | 1 | ½ | 5½ | 1 | 9 | 5 | |
| 15. | IM Langeweg, Christian | 0 | 0 | 0 | 0 | 0 | 0 | ½ | ½ | ½ | ½ | ½ | ½ | ½ | 0 | ● | 1 | 4½ | 1 | 7 | 7 | |
| 16. | IM Barendregt, Johan | 0 | 0 | 0 | 0 | 0 | 1 | 0 | ½ | 0 | 0 | ½ | ½ | 0 | ½ | 0 | ● | 3 | 1 | 4 | 10 |
| 1st round | |||||||||
| IM Barendregt, Johan | 0 - 1 | GM Damjanović, Mato | |||||||
| GM Donner, Jan | ½ - ½ | IM Ree, Hans | |||||||
| GM Gheorghiu, Florin | ½ - ½ | GM Vasiukov, Evgeny | |||||||
| Hartoch, Robert | ½ - ½ | GM Kaválek, Lubomír | |||||||
| GM Ivkov, Borislav | ½ - ½ | GM Byrne, Robert | |||||||
| Liberzon, Vladimir | 1 - 0 | IM Langeweg, Christian | |||||||
| GM Portisch, Lajos | ½ - ½ | GM Darga, Klaus | |||||||
| IM Tatai, Stefano | ½ - ½ | GM Stein, Leonid | |||||||
| 1.-2. Liberzon, Damjanović 1; 3.-14. Portisch, Vasiukov, Stein, Byrne, Darga, Ivkov, Kaválek, Ree, Tatai, Gheorghiu, Hartoch, Donner ½; 15.-16. Langeweg, Barendregt 0; | |||||||||
| 2nd round | |||||||||
| GM Byrne, Robert | 0 - 1 | IM Barendregt, Johan | |||||||
| GM Damjanović, Mato | ½ - ½ | Hartoch, Robert | |||||||
| GM Darga, Klaus | ½ - ½ | GM Ivkov, Borislav | |||||||
| GM Gheorghiu, Florin | 0 - 1 | GM Portisch, Lajos | |||||||
| GM Kaválek, Lubomír | ½ - ½ | IM Tatai, Stefano | |||||||
| IM Ree, Hans | 0 - 1 | Liberzon, Vladimir | |||||||
| GM Stein, Leonid | 1 - 0 | GM Donner, Jan | |||||||
| GM Vasiukov, Evgeny | 1 - 0 | IM Langeweg, Christian | |||||||
| 1. Liberzon 2; 2.-5. Portisch, Vasiukov, Damjanović, Stein 1½; 6.-11. Darga, Ivkov, Kaválek, Tatai, Hartoch, Barendregt 1; 12.-15. Byrne, Ree, Gheorghiu, Donner ½; 16. Langeweg 0; | |||||||||
| 3rd round | |||||||||
| IM Barendregt, Johan | 0 - 1 | GM Darga, Klaus | |||||||
| GM Donner, Jan | 0 - 1 | GM Kaválek, Lubomír | |||||||
| Hartoch, Robert | ½ - ½ | GM Byrne, Robert | |||||||
| GM Ivkov, Borislav | 1 - 0 | GM Gheorghiu, Florin | |||||||
| IM Langeweg, Christian | ½ - ½ | IM Ree, Hans | |||||||
| Liberzon, Vladimir | ½ - ½ | GM Stein, Leonid | |||||||
| GM Portisch, Lajos | ½ - ½ | GM Vasiukov, Evgeny | |||||||
| IM Tatai, Stefano | 1 - 0 | GM Damjanović, Mato | |||||||
| 1. Liberzon 2½; 2.-8. Portisch, Vasiukov, Stein, Darga, Ivkov, Kaválek, Tatai 2; 9.-10. Damjanović, Hartoch 1½; 11.-13. Byrne, Ree, Barendregt 1; 14.-16. Gheorghiu, Donner, Langeweg ½; | |||||||||
| 4th round | |||||||||
| GM Byrne, Robert | ½ - ½ | IM Tatai, Stefano | |||||||
| GM Damjanović, Mato | ½ - ½ | GM Donner, Jan | |||||||
| GM Darga, Klaus | ½ - ½ | Hartoch, Robert | |||||||
| GM Gheorghiu, Florin | ½ - ½ | IM Barendregt, Johan | |||||||
| GM Kaválek, Lubomír | ½ - ½ | Liberzon, Vladimir | |||||||
| GM Portisch, Lajos | 1 - 0 | GM Ivkov, Borislav | |||||||
| GM Stein, Leonid | 1 - 0 | IM Langeweg, Christian | |||||||
| GM Vasiukov, Evgeny | 1 - 0 | IM Ree, Hans | |||||||
| 1.-4. Portisch, Liberzon, Vasiukov, Stein 3; 5.-7. Darga, Kaválek, Tatai 2½; 8.-10. Damjanović, Ivkov, Hartoch 2; 11.-12. Byrne, Barendregt 1½; 13.-15. Ree, Gheorghiu, Donner 1; 16. Langeweg ½; | |||||||||
| 5th round | |||||||||
| IM Barendregt, Johan | 0 - 1 | GM Portisch, Lajos | |||||||
| GM Donner, Jan | 0 - 1 | GM Byrne, Robert | |||||||
| Hartoch, Robert | ½ - ½ | GM Gheorghiu, Florin | |||||||
| GM Ivkov, Borislav | ½ - ½ | GM Vasiukov, Evgeny | |||||||
| IM Langeweg, Christian | ½ - ½ | GM Kaválek, Lubomír | |||||||
| Liberzon, Vladimir | ½ - ½ | GM Damjanović, Mato | |||||||
| IM Ree, Hans | 1 - 0 | GM Stein, Leonid | |||||||
| IM Tatai, Stefano | ½ - ½ | GM Darga, Klaus | |||||||
| 1. Portisch 4; 2.-3. Liberzon, Vasiukov 3½; 4.-7. Stein, Darga, Kaválek, Tatai 3; 8.-11. Damjanović, Byrne, Ivkov, Hartoch 2½; 12. Ree 2; 13.-14. Gheorghiu, Barendregt 1½; 15.-16. Donner, Langeweg 1; | |||||||||
| 6th round | |||||||||
| GM Byrne, Robert | ½ - ½ | Liberzon, Vladimir | |||||||
| GM Damjanović, Mato | 1 - 0 | IM Langeweg, Christian | |||||||
| GM Darga, Klaus | ½ - ½ | GM Donner, Jan | |||||||
| GM Gheorghiu, Florin | 1 - 0 | IM Tatai, Stefano | |||||||
| GM Ivkov, Borislav | ½ - ½ | IM Barendregt, Johan | |||||||
| GM Kaválek, Lubomír | ½ - ½ | IM Ree, Hans | |||||||
| GM Portisch, Lajos | 1 - 0 | Hartoch, Robert | |||||||
| GM Vasiukov, Evgeny | ½ - ½ | GM Stein, Leonid | |||||||
| 1. Portisch 5; 2.-3. Liberzon, Vasiukov 4; 4.-7. Damjanović, Stein, Darga, Kaválek 3½; 8.-10. Byrne, Ivkov, Tatai 3; 11.-13. Ree, Gheorghiu, Hartoch 2½; 14. Barendregt 2; 15. Donner 1½; 16. Langeweg 1; | |||||||||
| 7th round | |||||||||
| IM Barendregt, Johan | 0 - 1 | GM Vasiukov, Evgeny | |||||||
| GM Donner, Jan | 0 - 1 | GM Gheorghiu, Florin | |||||||
| Hartoch, Robert | 0 - 1 | GM Ivkov, Borislav | |||||||
| IM Langeweg, Christian | 0 - 1 | GM Byrne, Robert | |||||||
| Liberzon, Vladimir | 1 - 0 | GM Darga, Klaus | |||||||
| IM Ree, Hans | ½ - ½ | GM Damjanović, Mato | |||||||
| GM Stein, Leonid | ½ - ½ | GM Kaválek, Lubomír | |||||||
| IM Tatai, Stefano | 0 - 1 | GM Portisch, Lajos | |||||||
| 1. Portisch 6; 2.-3. Liberzon, Vasiukov 5; 4.-8. Damjanović, Stein, Byrne, Ivkov, Kaválek 4; 9.-10. Darga, Gheorghiu 3½; 11.-12. Ree, Tatai 3; 13. Hartoch 2½; 14. Barendregt 2; 15. Donner 1½; 16. Langeweg 1; | |||||||||
| 8th round | |||||||||
| IM Barendregt, Johan | 0 - 1 | Hartoch, Robert | |||||||
| GM Byrne, Robert | ½ - ½ | IM Ree, Hans | |||||||
| GM Damjanović, Mato | ½ - ½ | GM Stein, Leonid | |||||||
| GM Darga, Klaus | ½ - ½ | IM Langeweg, Christian | |||||||
| GM Gheorghiu, Florin | ½ - ½ | Liberzon, Vladimir | |||||||
| GM Ivkov, Borislav | 1 - 0 | IM Tatai, Stefano | |||||||
| GM Portisch, Lajos | 1 - 0 | GM Donner, Jan | |||||||
| GM Vasiukov, Evgeny | ½ - ½ | GM Kaválek, Lubomír | |||||||
| 1. Portisch 7; 2.-3. Liberzon, Vasiukov 5½; 4. Ivkov 5; 5.-8. Damjanović, Stein, Byrne, Kaválek 4½; 9.-10. Darga, Gheorghiu 4; 11.-12. Ree, Hartoch 3½; 13. Tatai 3; 14. Barendregt 2; 15.-16. Donner, Langeweg 1½; | |||||||||
| 9th round | |||||||||
| GM Donner, Jan | ½ - ½ | GM Ivkov, Borislav | |||||||
| Hartoch, Robert | 0 - 1 | GM Vasiukov, Evgeny | |||||||
| GM Kaválek, Lubomír | 0 - 1 | GM Damjanović, Mato | |||||||
| IM Langeweg, Christian | ½ - ½ | GM Gheorghiu, Florin | |||||||
| Liberzon, Vladimir | ½ - ½ | GM Portisch, Lajos | |||||||
| IM Ree, Hans | 0 - 1 | GM Darga, Klaus | |||||||
| GM Stein, Leonid | ½ - ½ | GM Byrne, Robert | |||||||
| IM Tatai, Stefano | ½ - ½ | IM Barendregt, Johan | |||||||
| 1. Portisch 7½; 2. Vasiukov 6½; 3. Liberzon 6; 4.-5. Damjanović, Ivkov 5½; 6.-8. Stein, Byrne, Darga 5; 9.-10. Kaválek, Gheorghiu 4½; 11.-13. Ree, Tatai, Hartoch 3½; 14. Barendregt 2½; 15.-16. Donner, Langeweg 2; | |||||||||
| 10th round | |||||||||
| IM Barendregt, Johan | ½ - ½ | GM Donner, Jan | |||||||
| GM Byrne, Robert | ½ - ½ | GM Kaválek, Lubomír | |||||||
| GM Darga, Klaus | 1 - 0 | GM Stein, Leonid | |||||||
| GM Gheorghiu, Florin | ½ - ½ | IM Ree, Hans | |||||||
| Hartoch, Robert | ½ - ½ | IM Tatai, Stefano | |||||||
| GM Ivkov, Borislav | ½ - ½ | Liberzon, Vladimir | |||||||
| GM Portisch, Lajos | 1 - 0 | IM Langeweg, Christian | |||||||
| GM Vasiukov, Evgeny | 0 - 1 | GM Damjanović, Mato | |||||||
| 1. Portisch 8½; 2.-4. Liberzon, Vasiukov, Damjanović 6½; 5.-6. Darga, Ivkov 6; 7. Byrne 5½; 8.-10. Stein, Kaválek, Gheorghiu 5; 11.-13. Ree, Tatai, Hartoch 4; 14. Barendregt 3; 15. Donner 2½; 16. Langeweg 2; | |||||||||
| 11th round | |||||||||
| GM Damjanović, Mato | 0 - 1 | GM Byrne, Robert | |||||||
| GM Donner, Jan | ½ - ½ | Hartoch, Robert | |||||||
| GM Kaválek, Lubomír | ½ - ½ | GM Darga, Klaus | |||||||
| IM Langeweg, Christian | ½ - ½ | GM Ivkov, Borislav | |||||||
| Liberzon, Vladimir | 1 - 0 | IM Barendregt, Johan | |||||||
| IM Ree, Hans | ½ - ½ | GM Portisch, Lajos | |||||||
| GM Stein, Leonid | 1 - 0 | GM Gheorghiu, Florin | |||||||
| IM Tatai, Stefano | 0 - 1 | GM Vasiukov, Evgeny | |||||||
| 1. Portisch 9; 2.-3. Liberzon, Vasiukov 7½; 4.-7. Damjanović, Byrne, Darga, Ivkov 6½; 8. Stein 6; 9. Kaválek 5½; 10. Gheorghiu 5; 11.-12. Ree, Hartoch 4½; 13. Tatai 4; 14.-15. Donner, Barendregt 3; 16. Langeweg 2½; | |||||||||
| 12th round | |||||||||
| IM Barendregt, Johan | 0 - 1 | IM Langeweg, Christian | |||||||
| GM Darga, Klaus | ½ - ½ | GM Damjanović, Mato | |||||||
| GM Gheorghiu, Florin | 0 - 1 | GM Kaválek, Lubomír | |||||||
| Hartoch, Robert | ½ - ½ | Liberzon, Vladimir | |||||||
| GM Ivkov, Borislav | ½ - ½ | IM Ree, Hans | |||||||
| GM Portisch, Lajos | ½ - ½ | GM Stein, Leonid | |||||||
| IM Tatai, Stefano | ½ - ½ | GM Donner, Jan | |||||||
| GM Vasiukov, Evgeny | ½ - ½ | GM Byrne, Robert | |||||||
| 1. Portisch 9½; 2.-3. Liberzon, Vasiukov 8; 4.-7. Damjanović, Byrne, Darga, Ivkov 7; 8.-9. Stein, Kaválek 6½; 10.-12. Ree, Gheorghiu, Hartoch 5; 13. Tatai 4½; 14.-15. Donner, Langeweg 3½; 16. Barendregt 3; | |||||||||
| 13th round | |||||||||
| GM Byrne, Robert | ½ - ½ | GM Darga, Klaus | |||||||
| GM Damjanović, Mato | 1 - 0 | GM Gheorghiu, Florin | |||||||
| GM Donner, Jan | ½ - ½ | GM Vasiukov, Evgeny | |||||||
| GM Kaválek, Lubomír | 0 - 1 | GM Portisch, Lajos | |||||||
| IM Langeweg, Christian | ½ - ½ | Hartoch, Robert | |||||||
| Liberzon, Vladimir | 1 - 0 | IM Tatai, Stefano | |||||||
| IM Ree, Hans | 1 - 0 | IM Barendregt, Johan | |||||||
| GM Stein, Leonid | ½ - ½ | GM Ivkov, Borislav | |||||||
| 1. Portisch 10½; 2. Liberzon 9; 3. Vasiukov 8½; 4. Damjanović 8; 5.-7. Byrne, Darga, Ivkov 7½; 8. Stein 7; 9. Kaválek 6½; 10. Ree 6; 11. Hartoch 5½; 12. Gheorghiu 5; 13. Tatai 4½; 14.-15. Donner, Langeweg 4; 16. Barendregt 3; | |||||||||
| 14th round | |||||||||
| IM Barendregt, Johan | 0 - 1 | GM Stein, Leonid | |||||||
| GM Donner, Jan | ½ - ½ | Liberzon, Vladimir | |||||||
| GM Gheorghiu, Florin | ½ - ½ | GM Byrne, Robert | |||||||
| Hartoch, Robert | ½ - ½ | IM Ree, Hans | |||||||
| GM Ivkov, Borislav | ½ - ½ | GM Kaválek, Lubomír | |||||||
| GM Portisch, Lajos | ½ - ½ | GM Damjanović, Mato | |||||||
| IM Tatai, Stefano | ½ - ½ | IM Langeweg, Christian | |||||||
| GM Vasiukov, Evgeny | ½ - ½ | GM Darga, Klaus | |||||||
| 1. Portisch 11; 2. Liberzon 9½; 3. Vasiukov 9; 4. Damjanović 8½; 5.-8. Stein, Byrne, Darga, Ivkov 8; 9. Kaválek 7; 10. Ree 6½; 11. Hartoch 6; 12. Gheorghiu 5½; 13. Tatai 5; 14.-15. Donner, Langeweg 4½; 16. Barendregt 3; | |||||||||
| 15th round | |||||||||
| GM Byrne, Robert | ½ - ½ | GM Portisch, Lajos | |||||||
| GM Damjanović, Mato | ½ - ½ | GM Ivkov, Borislav | |||||||
| GM Darga, Klaus | ½ - ½ | GM Gheorghiu, Florin | |||||||
| GM Kaválek, Lubomír | 1 - 0 | IM Barendregt, Johan | |||||||
| IM Langeweg, Christian | 0 - 1 | GM Donner, Jan | |||||||
| Liberzon, Vladimir | ½ - ½ | GM Vasiukov, Evgeny | |||||||
| IM Ree, Hans | 0 - 1 | IM Tatai, Stefano | |||||||
| GM Stein, Leonid | 1 - 0 | Hartoch, Robert | |||||||
| 1. Portisch 11½; 2. Liberzon 10; 3. Vasiukov 9½; 4.-5. Damjanović, Stein 9; 6.-8. Byrne, Darga, Ivkov 8½; 9. Kaválek 8; 10. Ree 6½; 11.-13. Tatai, Gheorghiu, Hartoch 6; 14. Donner 5½; 15. Langeweg 4½; 16. Barendregt 3; | |||||||||
| 9th IBM chess tournament | |
| Dates: | 1969 |
| City: | Amsterdam (Netherlands) |
| Venue: | |
| Organizers: | Amsterdam chess club VAS |
| Chief Arbiter: | |
| Players participating: | 16 (incl. 10 GMs, 4 IMs) |
| Games played: | 120 |
| Competition format: | Round Robin |
| Tie-breaks: | none |
| Time control: | |
| PGN game file: | ibm-1969.pgn |