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| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. Sosonko vs H Bouwmeester |
| 1-0 | 29 | 1973 | NED-ch Team | E04 Catalan, Open, 5.Nf3 |
| 2. Sosonko vs J H Donner |
| ½-½ | 18 | 1974 | Hoogovens | E04 Catalan, Open, 5.Nf3 |
| 3. Sosonko vs Lombardy |
| ½-½ | 38 | 1974 | Amsterdam IBM | E04 Catalan, Open, 5.Nf3 |
| 4. Sosonko vs J H Donner |
| 1-0 | 33 | 1974 | Amsterdam IBM | E04 Catalan, Open, 5.Nf3 |
| 5. Sosonko vs Furman |
 | ½-½ | 37 | 1975 | Hoogovens | E04 Catalan, Open, 5.Nf3 |
| 6. Sosonko vs Balashov |
| 1-0 | 31 | 1976 | Vinkovci | E04 Catalan, Open, 5.Nf3 |
| 7. Sosonko vs Korchnoi |
| ½-½ | 26 | 1977 | NED-chT | E04 Catalan, Open, 5.Nf3 |
| 8. Sosonko vs Csom |
| ½-½ | 19 | 1977 | Bad Lauterberg | E04 Catalan, Open, 5.Nf3 |
| 9. Sosonko vs Karpov |
| ½-½ | 39 | 1977 | Tilburg Interpolis | E04 Catalan, Open, 5.Nf3 |
| 10. Sosonko vs L Schneider |
| 1-0 | 21 | 1978 | Buenos Aires Olympiad | E04 Catalan, Open, 5.Nf3 |
| 11. Sosonko vs D Chen |
| ½-½ | 24 | 1978 | Buenos Aires Olympiad | E04 Catalan, Open, 5.Nf3 |
| 12. Sosonko vs Huebner |
| 1-0 | 18 | 1979 | Tilburg Interpolis | E04 Catalan, Open, 5.Nf3 |
| 13. Sosonko vs Korchnoi |
| 0-1 | 37 | 1981 | Bad Kissingen | E04 Catalan, Open, 5.Nf3 |
| 14. Sosonko vs Korchnoi |
 | 0-1 | 25 | 1984 | Hoogovens | E04 Catalan, Open, 5.Nf3 |
| 15. Sosonko vs Van der Sterren |
| 1-0 | 36 | 1984 | Amsterdam OHRA | E04 Catalan, Open, 5.Nf3 |
| 16. Sosonko vs Korchnoi |
| ½-½ | 42 | 1984 | Zuerich op | E04 Catalan, Open, 5.Nf3 |
| 17. Sosonko vs R Montecatine Rios |
| ½-½ | 35 | 1987 | ? | E04 Catalan, Open, 5.Nf3 |
| 18. Sosonko vs Van der Sterren |
| ½-½ | 17 | 1987 | Hoogovens | E04 Catalan, Open, 5.Nf3 |
| 19. Sosonko vs S Webb |
| 1-0 | 48 | 1987 | European Club Cup R2, Stockholm | E04 Catalan, Open, 5.Nf3 |
| 20. Sosonko vs P Lukacs |
| ½-½ | 18 | 1987 | European Club Cup R3, Rotterdam | E04 Catalan, Open, 5.Nf3 |
| 21. Sosonko vs I Farago |
| ½-½ | 27 | 1988 | Hoogovens | E04 Catalan, Open, 5.Nf3 |
| 22. Sosonko vs Karpov |
| ½-½ | 16 | 1988 | Hoogovens | E04 Catalan, Open, 5.Nf3 |
| 23. Sosonko vs A Rodriguez |
| ½-½ | 21 | 1988 | Thessaloniki Olympiad | E04 Catalan, Open, 5.Nf3 |
| 24. Sosonko vs E Mednis |
| ½-½ | 39 | 1989 | Amsterdam OHRA | E04 Catalan, Open, 5.Nf3 |
| 25. Sosonko vs A Rodriguez |
| ½-½ | 24 | 1989 | Amsterdam OHRA | E04 Catalan, Open, 5.Nf3 |
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| page 1 of 2; games 1-25 of 28 |
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Kibitzing
