| FIDE World Chess Championship cycle 1978-1981 |
[ Competition summary || European zonal 1 | European zonal 2 | European zonal 3 | Soviet zonal | US zonal | Canadian zonal |
| Caribbean-Central American zonal 1 | Caribbean-Central American zonal 2 | South American zonal | West Asian zonal | Asian Pacific zonal | Mediterranean-African zonal ||
|| Riga interzonal | Rio de Janeiro interzonal || Candidates QF | Candidates SF | Candidates F || WCh match ]
| Interzonal :: Riga 1979 |
<< [ Crosstable || 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th | 11th | 12th | 13th | 14th | 15th | 16th | 17th || Information ] >>
| pos. | name | Elo | flag | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | pts | + | = | - |
| ⇑ 1. | GM Tal, Mikhail | 2615 | ● | 1 | ½ | ½ | 1 | 1 | ½ | 1 | 1 | 1 | 1 | ½ | 1 | ½ | 1 | ½ | 1 | 1 | 14 | 11 | 6 | 0 | |
| ⇑ 2. | GM Polugaevsky, Lev | 2625 | 0 | ● | ½ | ½ | ½ | 1 | 1 | 1 | 1 | 0 | ½ | 1 | ½ | 1 | ½ | ½ | 1 | 1 | 11½ | 8 | 7 | 2 | |
| ⇑ 3.-4. | GM Adorján, András | 2525 | ½ | ½ | ● | ½ | 0 | 0 | 1 | ½ | 1 | 1 | ½ | ½ | 1 | ½ | 1 | 1 | 1 | ½ | 11 | 7 | 8 | 2 | |
| ⇑ 3.-4. | GM Ribli, Zoltán | 2595 | ½ | ½ | ½ | ● | 1 | 0 | 0 | ½ | 1 | ½ | ½ | 1 | 1 | 1 | ½ | ½ | 1 | 1 | 11 | 7 | 8 | 2 | |
| 5.-6. | GM Gheorghiu, Florin | 2540 | 0 | ½ | 1 | 0 | ● | ½ | ½ | 1 | ½ | ½ | ½ | ½ | 1 | 1 | 1 | 1 | 0 | 1 | 10½ | 7 | 7 | 3 | |
| 5.-6. | GM Romanishin, Oleg | 2560 | 0 | 0 | 1 | 1 | ½ | ● | 1 | 0 | ½ | ½ | 1 | 1 | ½ | ½ | ½ | 1 | 1 | ½ | 10½ | 7 | 7 | 3 | |
| 7. | GM Larsen, Bent | 2620 | ½ | 0 | 0 | 1 | ½ | 0 | ● | 0 | 1 | ½ | ½ | 1 | ½ | 1 | 1 | 1 | ½ | 1 | 10 | 7 | 6 | 4 | |
| 8.-10. | GM Kuzmin, Gennady | 2565 | 0 | 0 | ½ | ½ | 0 | 1 | 1 | ● | 1 | ½ | ½ | ½ | ½ | 1 | ½ | ½ | 0 | 1 | 9 | 5 | 8 | 4 | |
| 8.-10. | GM Miles, Anthony John | 2560 | 0 | 0 | 0 | 0 | ½ | ½ | 0 | 0 | ● | 1 | ½ | ½ | 1 | 1 | 1 | 1 | 1 | 1 | 9 | 7 | 4 | 6 | |
| 8.-10. | GM Tseshkovsky, Vitaly | 2560 | 0 | 1 | 0 | ½ | ½ | ½ | ½ | ½ | 0 | ● | 0 | ½ | ½ | 1 | 1 | 1 | 1 | ½ | 9 | 5 | 8 | 4 | |
| 11. | GM Tarjan, James Edward | 2525 | 0 | ½ | ½ | ½ | ½ | 0 | ½ | ½ | ½ | 1 | ● | 0 | 1 | 0 | 1 | 0 | ½ | 1 | 8 | 4 | 8 | 5 | |
| 12. | IM Gruenfeld, Yehuda | 2430 | ½ | 0 | ½ | 0 | ½ | 0 | 0 | ½ | ½ | ½ | 1 | ● | 0 | 1 | 1 | 0 | ½ | 1 | 7½ | 4 | 7 | 6 | |
| 13. | GM Ljubojević, Ljubomir | 2590 | 0 | ½ | 0 | 0 | 0 | ½ | ½ | ½ | 0 | ½ | 0 | 1 | ● | ½ | ½ | 1 | 1 | 0 | 6½ | 3 | 7 | 7 | |
| 14.-16. | IM Bouaziz, Slim | 2420 | ½ | 0 | ½ | 0 | 0 | ½ | 0 | 0 | 0 | 0 | 1 | 0 | ½ | ● | 0 | ½ | 1 | 1 | 5½ | 3 | 5 | 9 | |
| 14.-16. | IM Mednis, Edmar John | 2510 | 0 | ½ | 0 | ½ | 0 | ½ | 0 | ½ | 0 | 0 | 0 | 0 | ½ | 1 | ● | ½ | ½ | 1 | 5½ | 2 | 7 | 8 | |
| 14.-16. | IM Van Riemsdijk, Herman Claudius | 2435 | ½ | ½ | 0 | ½ | 0 | 0 | 0 | ½ | 0 | 0 | 1 | 1 | 0 | ½ | ½ | ● | ½ | 0 | 5½ | 2 | 7 | 8 | |
| 17. | IM Trois, Francisco | 2415 | 0 | 0 | 0 | 0 | 1 | 0 | ½ | 1 | 0 | 0 | ½ | ½ | 0 | 0 | ½ | ½ | ● | ½ | 5 | 2 | 6 | 9 | |
| 18. | IM Rodríguez, Ruben | 2370 | 0 | 0 | ½ | 0 | 0 | ½ | 0 | 0 | 0 | ½ | 0 | 0 | 1 | 0 | 0 | 1 | ½ | ● | 4 | 2 | 4 | 11 |
Play-off for remaining candidate matches' spot: Adorján-Ribli 3—3. Adorján qualified by superior Berger.
| 1st round — 5th September 1979 | |||||||||
| IM Gruenfeld, Yehuda | 2430 | ½ - ½ | 2525 | GM Adorján, András | |||||
| GM Ljubojević, Ljubomir | 2590 | ½ - ½ | 2620 | GM Larsen, Bent | |||||
| GM Miles, Anthony John | 2560 | 1 - 0 | 2370 | IM Rodríguez, Ruben | |||||
| IM Trois, Francisco | 2415 | 0 - 1 | 2625 | GM Polugaevsky, Lev | |||||
| GM Gheorghiu, Florin | 2540 | ½ - ½ | 2560 | GM Romanishin, Oleg | |||||
| GM Tal, Mikhail | 2615 | 1 - 0 | 2560 | GM Tseshkovsky, Vitaly | |||||
| IM Van Riemsdijk, Herman Claudius | 2435 | 1 - 0 | 2525 | GM Tarjan, James Edward | |||||
| IM Mednis, Edmar John | 2510 | 1 - 0 | 2420 | IM Bouaziz, Slim | |||||
| GM Ribli, Zoltán | 2595 | ½ - ½ | 2565 | GM Kuzmin, Gennady | |||||
| 1.-5. Tal, Polugaevsky, Miles, Mednis, Van Riemsdijk 1; 6.-13. Adorján, Ribli, Gheorghiu, Romanishin, Larsen, Kuzmin, Gruenfeld, Ljubojević ½; 14.-18. Tseshkovsky, Tarjan, Bouaziz, Trois, Rodríguez 0; | |||||||||
| 2nd round — 6th September 1979 | |||||||||
| GM Adorján, András | 2525 | ½ - ½ | 2370 | IM Rodríguez, Ruben | |||||
| IM Gruenfeld, Yehuda | 2430 | 0 - 1 | 2590 | GM Ljubojević, Ljubomir | |||||
| GM Tseshkovsky, Vitaly | 2560 | 0 - 1 | 2560 | GM Miles, Anthony John | |||||
| GM Polugaevsky, Lev | 2625 | 0 - 1 | 2615 | GM Tal, Mikhail | |||||
| GM Romanishin, Oleg | 2560 | 1 - 0 | 2415 | IM Trois, Francisco | |||||
| GM Tarjan, James Edward | 2525 | 1 - 0 | 2510 | IM Mednis, Edmar John | |||||
| IM Bouaziz, Slim | 2420 | 0 - 1 | 2595 | GM Ribli, Zoltán | |||||
| GM Kuzmin, Gennady | 2565 | 0 - 1 | 2540 | GM Gheorghiu, Florin | |||||
| GM Larsen, Bent | 2620 | 1 - 0 | 2435 | IM Van Riemsdijk, Herman Claudius | |||||
| 1.-2. Tal, Miles 2; 3.-7. Ribli, Gheorghiu, Romanishin, Larsen, Ljubojević 1½; 8.-12. Polugaevsky, Adorján, Tarjan, Mednis, Van Riemsdijk 1; 13.-15. Kuzmin, Gruenfeld, Rodríguez ½; 16.-18. Tseshkovsky, Bouaziz, Trois 0; | |||||||||
| 3rd round — 7th September 1979 | |||||||||
| GM Ljubojević, Ljubomir | 2590 | 0 - 1 | 2525 | GM Adorján, András | |||||
| GM Miles, Anthony John | 2560 | 0 - 1 | 2625 | GM Polugaevsky, Lev | |||||
| GM Tal, Mikhail | 2615 | 1 - 0 | 2560 | GM Romanishin, Oleg | |||||
| GM Ribli, Zoltán | 2595 | ½ - ½ | 2525 | GM Tarjan, James Edward | |||||
| GM Gheorghiu, Florin | 2540 | 1 - 0 | 2420 | IM Bouaziz, Slim | |||||
| IM Mednis, Edmar John | 2510 | 0 - 1 | 2620 | GM Larsen, Bent | |||||
| IM Rodríguez, Ruben | 2370 | ½ - ½ | 2560 | GM Tseshkovsky, Vitaly | |||||
| IM Trois, Francisco | 2415 | 1 - 0 | 2565 | GM Kuzmin, Gennady | |||||
| IM Van Riemsdijk, Herman Claudius | 2435 | 1 - 0 | 2430 | IM Gruenfeld, Yehuda | |||||
| 1. Tal 3; 2.-3. Gheorghiu, Larsen 2½; 4.-8. Polugaevsky, Adorján, Ribli, Miles, Van Riemsdijk 2; 9.-11. Romanishin, Tarjan, Ljubojević 1½; 12.-14. Mednis, Trois, Rodríguez 1; 15.-17. Kuzmin, Tseshkovsky, Gruenfeld ½; 18. Bouaziz 0; | |||||||||
| 4th round — 9th September 1979 | |||||||||
| GM Adorján, András | 2525 | 1 - 0 | 2560 | GM Tseshkovsky, Vitaly | |||||
| GM Ljubojević, Ljubomir | 2590 | 1 - 0 | 2435 | IM Van Riemsdijk, Herman Claudius | |||||
| GM Romanishin, Oleg | 2560 | ½ - ½ | 2560 | GM Miles, Anthony John | |||||
| GM Polugaevsky, Lev | 2625 | 1 - 0 | 2370 | IM Rodríguez, Ruben | |||||
| GM Kuzmin, Gennady | 2565 | 0 - 1 | 2615 | GM Tal, Mikhail | |||||
| GM Tarjan, James Edward | 2525 | ½ - ½ | 2540 | GM Gheorghiu, Florin | |||||
| IM Bouaziz, Slim | 2420 | 1 - 0 | 2415 | IM Trois, Francisco | |||||
| IM Gruenfeld, Yehuda | 2430 | 1 - 0 | 2510 | IM Mednis, Edmar John | |||||
| GM Larsen, Bent | 2620 | 1 - 0 | 2595 | GM Ribli, Zoltán | |||||
| 1. Tal 4; 2. Larsen 3½; 3.-5. Polugaevsky, Adorján, Gheorghiu 3; 6.-7. Miles, Ljubojević 2½; 8.-11. Ribli, Romanishin, Tarjan, Van Riemsdijk 2; 12. Gruenfeld 1½; 13.-16. Bouaziz, Mednis, Trois, Rodríguez 1; 17.-18. Kuzmin, Tseshkovsky ½; | |||||||||
| 5th round — 10th September 1979 | |||||||||
| IM Van Riemsdijk, Herman Claudius | 2435 | 0 - 1 | 2525 | GM Adorján, András | |||||
| IM Mednis, Edmar John | 2510 | ½ - ½ | 2590 | GM Ljubojević, Ljubomir | |||||
| GM Miles, Anthony John | 2560 | 0 - 1 | 2565 | GM Kuzmin, Gennady | |||||
| GM Tseshkovsky, Vitaly | 2560 | 1 - 0 | 2625 | GM Polugaevsky, Lev | |||||
| IM Rodríguez, Ruben | 2370 | ½ - ½ | 2560 | GM Romanishin, Oleg | |||||
| GM Tal, Mikhail | 2615 | ½ - ½ | 2420 | IM Bouaziz, Slim | |||||
| IM Trois, Francisco | 2415 | ½ - ½ | 2525 | GM Tarjan, James Edward | |||||
| GM Gheorghiu, Florin | 2540 | ½ - ½ | 2620 | GM Larsen, Bent | |||||
| GM Ribli, Zoltán | 2595 | 1 - 0 | 2430 | IM Gruenfeld, Yehuda | |||||
| 1. Tal 4½; 2.-3. Adorján, Larsen 4; 4. Gheorghiu 3½; 5.-7. Polugaevsky, Ribli, Ljubojević 3; 8.-10. Romanishin, Miles, Tarjan 2½; 11. Van Riemsdijk 2; 12.-18. Kuzmin, Tseshkovsky, Gruenfeld, Bouaziz, Mednis, Trois, Rodríguez 1½; | |||||||||
| 6th round — 11th September 1979 | |||||||||
| GM Ljubojević, Ljubomir | 2590 | 0 - 1 | 2595 | GM Ribli, Zoltán | |||||
| IM Bouaziz, Slim | 2420 | 0 - 1 | 2560 | GM Miles, Anthony John | |||||
| GM Adorján, András | 2525 | ½ - ½ | 2625 | GM Polugaevsky, Lev | |||||
| GM Tarjan, James Edward | 2525 | 0 - 1 | 2615 | GM Tal, Mikhail | |||||
| IM Gruenfeld, Yehuda | 2430 | ½ - ½ | 2540 | GM Gheorghiu, Florin | |||||
| GM Kuzmin, Gennady | 2565 | 1 - 0 | 2370 | IM Rodríguez, Ruben | |||||
| GM Larsen, Bent | 2620 | ½ - ½ | 2415 | IM Trois, Francisco | |||||
| GM Romanishin, Oleg | 2560 | ½ - ½ | 2560 | GM Tseshkovsky, Vitaly | |||||
| IM Van Riemsdijk, Herman Claudius | 2435 | ½ - ½ | 2510 | IM Mednis, Edmar John | |||||
| 1. Tal 5½; 2.-3. Adorján, Larsen 4½; 4.-5. Ribli, Gheorghiu 4; 6.-7. Polugaevsky, Miles 3½; 8.-9. Romanishin, Ljubojević 3; 10.-12. Kuzmin, Tarjan, Van Riemsdijk 2½; 13.-16. Tseshkovsky, Gruenfeld, Mednis, Trois 2; 17.-18. Bouaziz, Rodríguez 1½; | |||||||||
| 7th round — 14th September 1979 | |||||||||
| IM Mednis, Edmar John | 2510 | 0 - 1 | 2525 | GM Adorján, András | |||||
| GM Gheorghiu, Florin | 2540 | 1 - 0 | 2590 | GM Ljubojević, Ljubomir | |||||
| GM Miles, Anthony John | 2560 | ½ - ½ | 2525 | GM Tarjan, James Edward | |||||
| GM Polugaevsky, Lev | 2625 | 1 - 0 | 2560 | GM Romanishin, Oleg | |||||
| GM Tal, Mikhail | 2615 | ½ - ½ | 2620 | GM Larsen, Bent | |||||
| GM Ribli, Zoltán | 2595 | ½ - ½ | 2435 | IM Van Riemsdijk, Herman Claudius | |||||
| IM Rodríguez, Ruben | 2370 | 0 - 1 | 2420 | IM Bouaziz, Slim | |||||
| IM Trois, Francisco | 2415 | ½ - ½ | 2430 | IM Gruenfeld, Yehuda | |||||
| GM Tseshkovsky, Vitaly | 2560 | ½ - ½ | 2565 | GM Kuzmin, Gennady | |||||
| 1. Tal 6; 2. Adorján 5½; 3.-4. Gheorghiu, Larsen 5; 5.-6. Polugaevsky, Ribli 4½; 7. Miles 4; 8.-12. Romanishin, Kuzmin, Tarjan, Ljubojević, Van Riemsdijk 3; 13.-16. Tseshkovsky, Gruenfeld, Bouaziz, Trois 2½; 17. Mednis 2; 18. Rodríguez 1½; | |||||||||
| 8th round — 15th September 1979 | |||||||||
| GM Adorján, András | 2525 | 0 - 1 | 2560 | GM Romanishin, Oleg | |||||
| GM Ljubojević, Ljubomir | 2590 | 1 - 0 | 2415 | IM Trois, Francisco | |||||
| GM Larsen, Bent | 2620 | 1 - 0 | 2560 | GM Miles, Anthony John | |||||
| GM Kuzmin, Gennady | 2565 | 0 - 1 | 2625 | GM Polugaevsky, Lev | |||||
| IM Gruenfeld, Yehuda | 2430 | ½ - ½ | 2615 | GM Tal, Mikhail | |||||
| GM Tarjan, James Edward | 2525 | 1 - 0 | 2370 | IM Rodríguez, Ruben | |||||
| IM Bouaziz, Slim | 2420 | 0 - 1 | 2560 | GM Tseshkovsky, Vitaly | |||||
| IM Mednis, Edmar John | 2510 | ½ - ½ | 2595 | GM Ribli, Zoltán | |||||
| IM Van Riemsdijk, Herman Claudius | 2435 | 0 - 1 | 2540 | GM Gheorghiu, Florin | |||||
| 1. Tal 6½; 2.-3. Gheorghiu, Larsen 6; 4.-5. Polugaevsky, Adorján 5½; 6. Ribli 5; 7.-10. Romanishin, Miles, Tarjan, Ljubojević 4; 11. Tseshkovsky 3½; 12.-14. Kuzmin, Gruenfeld, Van Riemsdijk 3; 15.-17. Bouaziz, Mednis, Trois 2½; 18. Rodríguez 1½; | |||||||||
| 9th round — 16th September 1979 | |||||||||
| GM Ribli, Zoltán | 2595 | ½ - ½ | 2525 | GM Adorján, András | |||||
| GM Tal, Mikhail | 2615 | 1 - 0 | 2590 | GM Ljubojević, Ljubomir | |||||
| GM Miles, Anthony John | 2560 | ½ - ½ | 2430 | IM Gruenfeld, Yehuda | |||||
| GM Polugaevsky, Lev | 2625 | 1 - 0 | 2420 | IM Bouaziz, Slim | |||||
| GM Romanishin, Oleg | 2560 | 0 - 1 | 2565 | GM Kuzmin, Gennady | |||||
| GM Tseshkovsky, Vitaly | 2560 | 0 - 1 | 2525 | GM Tarjan, James Edward | |||||
| GM Gheorghiu, Florin | 2540 | 1 - 0 | 2510 | IM Mednis, Edmar John | |||||
| IM Rodríguez, Ruben | 2370 | 0 - 1 | 2620 | GM Larsen, Bent | |||||
| IM Trois, Francisco | 2415 | ½ - ½ | 2435 | IM Van Riemsdijk, Herman Claudius | |||||
| 1. Tal 7½; 2.-3. Gheorghiu, Larsen 7; 4. Polugaevsky 6½; 5. Adorján 6; 6. Ribli 5½; 7. Tarjan 5; 8. Miles 4½; 9.-11. Romanishin, Kuzmin, Ljubojević 4; 12.-14. Tseshkovsky, Gruenfeld, Van Riemsdijk 3½; 15. Trois 3; 16.-17. Bouaziz, Mednis 2½; 18. Rodríguez 1½; | |||||||||
| 10th round — 18th September 1979 | |||||||||
| GM Adorján, András | 2525 | ½ - ½ | 2565 | GM Kuzmin, Gennady | |||||
| GM Ljubojević, Ljubomir | 2590 | 0 - 1 | 2560 | GM Miles, Anthony John | |||||
| GM Tarjan, James Edward | 2525 | ½ - ½ | 2625 | GM Polugaevsky, Lev | |||||
| IM Bouaziz, Slim | 2420 | ½ - ½ | 2560 | GM Romanishin, Oleg | |||||
| IM Van Riemsdijk, Herman Claudius | 2435 | ½ - ½ | 2615 | GM Tal, Mikhail | |||||
| IM Gruenfeld, Yehuda | 2430 | 1 - 0 | 2370 | IM Rodríguez, Ruben | |||||
| GM Larsen, Bent | 2620 | ½ - ½ | 2560 | GM Tseshkovsky, Vitaly | |||||
| IM Mednis, Edmar John | 2510 | ½ - ½ | 2415 | IM Trois, Francisco | |||||
| GM Ribli, Zoltán | 2595 | 1 - 0 | 2540 | GM Gheorghiu, Florin | |||||
| 1. Tal 8; 2. Larsen 7½; 3.-4. Polugaevsky, Gheorghiu 7; 5.-6. Adorján, Ribli 6½; 7.-8. Miles, Tarjan 5½; 9.-11. Romanishin, Kuzmin, Gruenfeld 4½; 12.-14. Tseshkovsky, Ljubojević, Van Riemsdijk 4; 15. Trois 3½; 16.-17. Bouaziz, Mednis 3; 18. Rodríguez 1½; | |||||||||
| 11th round — 19th September 1979 | |||||||||
| GM Gheorghiu, Florin | 2540 | 1 - 0 | 2525 | GM Adorján, András | |||||
| IM Rodríguez, Ruben | 2370 | 1 - 0 | 2590 | GM Ljubojević, Ljubomir | |||||
| GM Miles, Anthony John | 2560 | 1 - 0 | 2435 | IM Van Riemsdijk, Herman Claudius | |||||
| GM Polugaevsky, Lev | 2625 | 1 - 0 | 2620 | GM Larsen, Bent | |||||
| GM Romanishin, Oleg | 2560 | 1 - 0 | 2525 | GM Tarjan, James Edward | |||||
| GM Tal, Mikhail | 2615 | 1 - 0 | 2510 | IM Mednis, Edmar John | |||||
| GM Kuzmin, Gennady | 2565 | 1 - 0 | 2420 | IM Bouaziz, Slim | |||||
| IM Trois, Francisco | 2415 | 0 - 1 | 2595 | GM Ribli, Zoltán | |||||
| GM Tseshkovsky, Vitaly | 2560 | ½ - ½ | 2430 | IM Gruenfeld, Yehuda | |||||
| 1. Tal 9; 2.-3. Polugaevsky, Gheorghiu 8; 4.-5. Ribli, Larsen 7½; 6.-7. Adorján, Miles 6½; 8.-10. Romanishin, Kuzmin, Tarjan 5½; 11. Gruenfeld 5; 12. Tseshkovsky 4½; 13.-14. Ljubojević, Van Riemsdijk 4; 15. Trois 3½; 16.-17. Bouaziz, Mednis 3; 18. Rodríguez 2½; | |||||||||
| 12th round — 20th September 1979 | |||||||||
| GM Adorján, András | 2525 | ½ - ½ | 2420 | IM Bouaziz, Slim | |||||
| GM Ljubojević, Ljubomir | 2590 | ½ - ½ | 2560 | GM Tseshkovsky, Vitaly | |||||
| IM Mednis, Edmar John | 2510 | 0 - 1 | 2560 | GM Miles, Anthony John | |||||
| IM Gruenfeld, Yehuda | 2430 | 0 - 1 | 2625 | GM Polugaevsky, Lev | |||||
| GM Larsen, Bent | 2620 | 0 - 1 | 2560 | GM Romanishin, Oleg | |||||
| GM Ribli, Zoltán | 2595 | ½ - ½ | 2615 | GM Tal, Mikhail | |||||
| GM Tarjan, James Edward | 2525 | ½ - ½ | 2565 | GM Kuzmin, Gennady | |||||
| GM Gheorghiu, Florin | 2540 | 0 - 1 | 2415 | IM Trois, Francisco | |||||
| IM Van Riemsdijk, Herman Claudius | 2435 | 0 - 1 | 2370 | IM Rodríguez, Ruben | |||||
| 1. Tal 9½; 2. Polugaevsky 9; 3.-4. Ribli, Gheorghiu 8; 5.-6. Larsen, Miles 7½; 7. Adorján 7; 8. Romanishin 6½; 9.-10. Kuzmin, Tarjan 6; 11.-12. Tseshkovsky, Gruenfeld 5; 13.-14. Ljubojević, Trois 4½; 15. Van Riemsdijk 4; 16.-17. Bouaziz, Rodríguez 3½; 18. Mednis 3; | |||||||||
| 13th round — 23rd September 1979 | |||||||||
| IM Trois, Francisco | 2415 | 0 - 1 | 2525 | GM Adorján, András | |||||
| GM Polugaevsky, Lev | 2625 | ½ - ½ | 2590 | GM Ljubojević, Ljubomir | |||||
| GM Miles, Anthony John | 2560 | 0 - 1 | 2595 | GM Ribli, Zoltán | |||||
| GM Romanishin, Oleg | 2560 | 1 - 0 | 2430 | IM Gruenfeld, Yehuda | |||||
| GM Tal, Mikhail | 2615 | 1 - 0 | 2540 | GM Gheorghiu, Florin | |||||
| IM Bouaziz, Slim | 2420 | 1 - 0 | 2525 | GM Tarjan, James Edward | |||||
| GM Kuzmin, Gennady | 2565 | 1 - 0 | 2620 | GM Larsen, Bent | |||||
| IM Rodríguez, Ruben | 2370 | 0 - 1 | 2510 | IM Mednis, Edmar John | |||||
| GM Tseshkovsky, Vitaly | 2560 | 1 - 0 | 2435 | IM Van Riemsdijk, Herman Claudius | |||||
| 1. Tal 10½; 2. Polugaevsky 9½; 3. Ribli 9; 4.-5. Adorján, Gheorghiu 8; 6.-8. Romanishin, Larsen, Miles 7½; 9. Kuzmin 7; 10.-11. Tseshkovsky, Tarjan 6; 12.-13. Gruenfeld, Ljubojević 5; 14.-15. Bouaziz, Trois 4½; 16.-17. Mednis, Van Riemsdijk 4; 18. Rodríguez 3½; | |||||||||
| 14th round — 24th September 1979 | |||||||||
| GM Adorján, András | 2525 | ½ - ½ | 2525 | GM Tarjan, James Edward | |||||
| GM Ljubojević, Ljubomir | 2590 | ½ - ½ | 2560 | GM Romanishin, Oleg | |||||
| GM Gheorghiu, Florin | 2540 | ½ - ½ | 2560 | GM Miles, Anthony John | |||||
| IM Van Riemsdijk, Herman Claudius | 2435 | ½ - ½ | 2625 | GM Polugaevsky, Lev | |||||
| IM Trois, Francisco | 2415 | 0 - 1 | 2615 | GM Tal, Mikhail | |||||
| IM Gruenfeld, Yehuda | 2430 | ½ - ½ | 2565 | GM Kuzmin, Gennady | |||||
| GM Larsen, Bent | 2620 | 1 - 0 | 2420 | IM Bouaziz, Slim | |||||
| IM Mednis, Edmar John | 2510 | 0 - 1 | 2560 | GM Tseshkovsky, Vitaly | |||||
| GM Ribli, Zoltán | 2595 | 1 - 0 | 2370 | IM Rodríguez, Ruben | |||||
| 1. Tal 11½; 2.-3. Polugaevsky, Ribli 10; 4.-6. Adorján, Gheorghiu, Larsen 8½; 7.-8. Romanishin, Miles 8; 9. Kuzmin 7½; 10. Tseshkovsky 7; 11. Tarjan 6½; 12.-13. Gruenfeld, Ljubojević 5½; 14.-16. Bouaziz, Van Riemsdijk, Trois 4½; 17. Mednis 4; 18. Rodríguez 3½; | |||||||||
| 15th round — 26th September 1979 | |||||||||
| GM Tal, Mikhail | 2615 | ½ - ½ | 2525 | GM Adorján, András | |||||
| GM Kuzmin, Gennady | 2565 | ½ - ½ | 2590 | GM Ljubojević, Ljubomir | |||||
| GM Miles, Anthony John | 2560 | 1 - 0 | 2415 | IM Trois, Francisco | |||||
| GM Polugaevsky, Lev | 2625 | ½ - ½ | 2510 | IM Mednis, Edmar John | |||||
| GM Romanishin, Oleg | 2560 | 1 - 0 | 2435 | IM Van Riemsdijk, Herman Claudius | |||||
| GM Tarjan, James Edward | 2525 | ½ - ½ | 2620 | GM Larsen, Bent | |||||
| IM Rodríguez, Ruben | 2370 | 0 - 1 | 2540 | GM Gheorghiu, Florin | |||||
| GM Tseshkovsky, Vitaly | 2560 | ½ - ½ | 2595 | GM Ribli, Zoltán | |||||
| IM Bouaziz, Slim | 2420 | 0 - 1 | 2430 | IM Gruenfeld, Yehuda | |||||
| 1. Tal 12; 2.-3. Polugaevsky, Ribli 10½; 4. Gheorghiu 9½; 5.-8. Adorján, Romanishin, Larsen, Miles 9; 9. Kuzmin 8; 10. Tseshkovsky 7½; 11. Tarjan 7; 12. Gruenfeld 6½; 13. Ljubojević 6; 14.-17. Bouaziz, Mednis, Van Riemsdijk, Trois 4½; 18. Rodríguez 3½; | |||||||||
| 16th round — 27th September 1979 | |||||||||
| GM Adorján, András | 2525 | 1 - 0 | 2620 | GM Larsen, Bent | |||||
| GM Ljubojević, Ljubomir | 2590 | ½ - ½ | 2420 | IM Bouaziz, Slim | |||||
| GM Tal, Mikhail | 2615 | 1 - 0 | 2560 | GM Miles, Anthony John | |||||
| GM Ribli, Zoltán | 2595 | ½ - ½ | 2625 | GM Polugaevsky, Lev | |||||
| IM Mednis, Edmar John | 2510 | ½ - ½ | 2560 | GM Romanishin, Oleg | |||||
| IM Gruenfeld, Yehuda | 2430 | 1 - 0 | 2525 | GM Tarjan, James Edward | |||||
| GM Gheorghiu, Florin | 2540 | ½ - ½ | 2560 | GM Tseshkovsky, Vitaly | |||||
| IM Trois, Francisco | 2415 | ½ - ½ | 2370 | IM Rodríguez, Ruben | |||||
| IM Van Riemsdijk, Herman Claudius | 2435 | ½ - ½ | 2565 | GM Kuzmin, Gennady | |||||
| 1. Tal 13; 2.-3. Polugaevsky, Ribli 11; 4.-5. Adorján, Gheorghiu 10; 6. Romanishin 9½; 7.-8. Larsen, Miles 9; 9. Kuzmin 8½; 10. Tseshkovsky 8; 11. Gruenfeld 7½; 12. Tarjan 7; 13. Ljubojević 6½; 14.-17. Bouaziz, Mednis, Van Riemsdijk, Trois 5; 18. Rodríguez 4; | |||||||||
| 17th round — 29th September 1979 | |||||||||
| GM Miles, Anthony John | 2560 | 0 - 1 | 2525 | GM Adorján, András | |||||
| GM Tarjan, James Edward | 2525 | 1 - 0 | 2590 | GM Ljubojević, Ljubomir | |||||
| GM Polugaevsky, Lev | 2625 | ½ - ½ | 2540 | GM Gheorghiu, Florin | |||||
| GM Romanishin, Oleg | 2560 | 1 - 0 | 2595 | GM Ribli, Zoltán | |||||
| IM Rodríguez, Ruben | 2370 | 0 - 1 | 2615 | GM Tal, Mikhail | |||||
| IM Bouaziz, Slim | 2420 | ½ - ½ | 2435 | IM Van Riemsdijk, Herman Claudius | |||||
| GM Kuzmin, Gennady | 2565 | ½ - ½ | 2510 | IM Mednis, Edmar John | |||||
| GM Larsen, Bent | 2620 | 1 - 0 | 2430 | IM Gruenfeld, Yehuda | |||||
| GM Tseshkovsky, Vitaly | 2560 | 1 - 0 | 2415 | IM Trois, Francisco | |||||
| 1. Tal 14; 2. Polugaevsky 11½; 3.-4. Adorján, Ribli 11; 5.-6. Gheorghiu, Romanishin 10½; 7. Larsen 10; 8.-10. Kuzmin, Miles, Tseshkovsky 9; 11. Tarjan 8; 12. Gruenfeld 7½; 13. Ljubojević 6½; 14.-16. Bouaziz, Mednis, Van Riemsdijk 5½; 17. Trois 5; 18. Rodríguez 4; | |||||||||
| Interzonal | |
| Dates: | 5th - 29th September 1979 |
| City: | Riga (Soviet Union) |
| Venue: | Rainis Theatre |
| Organizers: | |
| Chief Arbiter: | IA Miroslav Filip (CSR) |
| Arbiters: | IA Lev Abramov (URS) - deputy |
| Players participating: | 18 (incl. 12 GMs, 6 IMs) |
| Eligible: | Show full list of participants |
| Games played: | 153 |
| Competition format: | Round Robin |
| Tie-breaks: | none |
| Time control: | |
| Website: | chessgames.com |
| Other websites: | chess.com interview with Tal |
| PGN game file: | wc1981-izriga.pgn |