| page 2 of 12; games 26-50 of 281 |
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| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. A Kosten vs Bagirov |
| 1-0 | 36 |
1987 |
Bagirov,V, Jurmala 44/702 | B13 Caro-Kann, Exchange |
| 27. Kupreichik vs A Kosten |
| 1-0 | 36 |
1987 |
West Berlin 44/228 (Kupreichik,V) | B56 Sicilian |
| 28. A Kosten vs Psakhis |
| ½-½ | 43 |
1987 |
Jurmala | B23 Sicilian, Closed |
| 29. Shabalov vs A Kosten |
| 0-1 | 59 |
1987 |
Yurmala | E11 Bogo-Indian Defense |
| 30. Barbero vs A Kosten |
| ½-½ | 44 |
1987 |
Kecskemet (Hungary) | E16 Queen's Indian |
| 31. A Kosten vs Romanishin |
| 0-1 | 64 |
1987 |
Jurmala | C96 Ruy Lopez, Closed |
| 32. A Kosten vs Hebden |
 | 1-0 | 25 |
1987 |
x | C55 Two Knights Defense |
| 33. Razuvaev vs A Kosten |
| 1-0 | 33 |
1987 |
Jurmala | E11 Bogo-Indian Defense |
| 34. Vaganian vs A Kosten |
| ½-½ | 53 |
1988 |
Esbjerg ;CBM 10 | A15 English |
| 35. Larsen vs A Kosten |
| 0-1 | 45 |
1988 |
Hastings 8899 | A07 King's Indian Attack |
| 36. Adams vs A Kosten |
| 1-0 | 53 |
1988 |
London NWYM | B56 Sicilian |
| 37. A Kosten vs Kupreichik |
| 0-1 | 38 |
1988 |
Esbjerg | C90 Ruy Lopez, Closed |
| 38. A Kosten vs D Nestorovic |
| 1-0 | 41 |
1988 |
Belgrade (Yugoslavia) | C55 Two Knights Defense |
| 39. A Kosten vs I Rogers |
| ½-½ | 57 |
1988 |
It London (ENG) | B14 Caro-Kann, Panov-Botvinnik Attack |
| 40. Kudrin vs A Kosten |
| 1-0 | 68 |
1988 |
It (cat.10) | C50 Giuoco Piano |
| 41. A Kosten vs Smyslov |
| ½-½ | 20 |
1988 |
Hastings A2 | C92 Ruy Lopez, Closed |
| 42. A Kosten vs L Cooper |
 | 1-0 | 34 |
1988 |
London (England) | C55 Two Knights Defense |
| 43. A Kosten vs D Norwood |
| ½-½ | 8 |
1988 |
It (cat.10) | A04 Reti Opening |
| 44. A Kosten vs Larsen |
 | 0-1 | 53 |
1988 |
Hastings 8899 | B56 Sicilian |
| 45. A Kosten vs Adams |
| 0-1 | 40 |
1988 |
Blackpool GBR ch | B14 Caro-Kann, Panov-Botvinnik Attack |
| 46. Shabalov vs A Kosten |
| ½-½ | 55 |
1988 |
Belgrade GMA-op | E32 Nimzo-Indian, Classical |
| 47. Smyslov vs A Kosten |
| 0-1 | 41 |
1988 |
Hastings | E11 Bogo-Indian Defense |
| 48. Barbero vs A Kosten |
| 1-0 | 31 |
1988 |
It (cat.9) | E11 Bogo-Indian Defense |
| 49. Chandler vs A Kosten |
| 1-0 | 45 |
1988 |
It (open) | C18 French, Winawer |
| 50. A Kosten vs T Wedberg |
| 1-0 | 40 |
1988 |
It (open) | C50 Giuoco Piano |
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| page 2 of 12; games 26-50 of 281 |
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