1.
Nf3
Nf6
2.
c4
g6
3.
Nc3
Bg7
4.
e4
d6
5.
d4
O-O
6.
Be2
e5
7.
d5
a5
8.
Bg5
Na6
9.
Nd2
Qe8
10.
O-O
Kh8
11.
a3
Bd7
12.
b3
Ng8
13.
Rb1
Bh6
14.
Bxh6
Nxh6
15.
b4
axb4
16.
axb4
Qe7
17.
Qc1
f5
18.
c5
f4
19.
c6
bxc6
20.
dxc6
Be6
21.
Qb2
Nb8
22.
b5
g5
23.
f3
g4
24.
fxg4
Bxg4
25.
Nd5
Qg7
26.
Bxg4
Nxg4
27.
Nf3
Rg8
28.
Ra1
Rxa1
29.
Rxa1
Ne3
30.
Nxe3
fxe3
31.
Ra3
Qf7
32.
Rxe3
Qc4
33.
h3
Qc5
34.
Qe2
Rf8
35.
Kh2
Qb4
36.
Ng5
d5
37.
Nxh7
Kxh7
38.
Qh5+
Kg7
39.
Rg3+
Kf6
40.
Qf5+
Ke7
41.
Rg7+
Ke8
42.
Qc8#
1-0
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Event
Site
Boston
Date
1988.??.??
White
Ivanov, Igor Vasilievich
Black
Tyehimba, Bem
Result
1-0
WhiteElo
2505
Score
[Event "US Open-89"] [Site "Boston"] [Date "1988.??.??"] [Round "?"] [White "Ivanov, Igor Vasilievich"] [Black "Tyehimba, Bem"] [Result "1-0"] [EventArchiveKey "us-open-1988"] [WhiteElo "2505"] 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Bg5 Na6 9. Nd2 Qe8 10. O-O Kh8 11. a3 Bd7 12. b3 Ng8 13. Rb1 Bh6 14. Bxh6 Nxh6 15. b4 axb4 16. axb4 Qe7 17. Qc1 f5 18. c5 f4 19. c6 bxc6 20. dxc6 Be6 21. Qb2 Nb8 22. b5 g5 23. f3 g4 24. fxg4 Bxg4 25. Nd5 Qg7 26. Bxg4 Nxg4 27. Nf3 Rg8 28. Ra1 Rxa1 29. Rxa1 Ne3 30. Nxe3 fxe3 31. Ra3 Qf7 32. Rxe3 Qc4 33. h3 Qc5 34. Qe2 Rf8 35. Kh2 Qb4 36. Ng5 d5 37. Nxh7 Kxh7 38. Qh5+ Kg7 39. Rg3+ Kf6 40. Qf5+ Ke7 41. Rg7+ Ke8 42. Qc8# 1-0