1.
d4
Nf6
2.
c4
g6
3.
g3
Bg7
4.
Bg2
c5
5.
d5
O-O
6.
Nc3
d6
7.
Nf3
e6
8.
O-O
exd5
9.
cxd5
a6
10.
a4
Nbd7
11.
h3
Re8
12.
Nd2
Rb8
13.
Nc4
Nb6
14.
Na3
Bd7
15.
a5
Nc8
16.
Nc4
Bb5
17.
Qb3
Na7
18.
Bd2
Bxc4
19.
Qxc4
Qd7
20.
e3
Nb5
21.
Ra2
b6
22.
axb6
Rxb6
23.
Rfa1
Nc7
24.
Na4
Rb7
25.
Nc3
Reb8
26.
Bc1
Rb4
27.
Qd3
Qe7
28.
Ra4
Nd7
29.
Rxb4
Rxb4
30.
Qc2
Rb8
31.
Bf1
Nb6
32.
e4
Qd7
33.
h4
Re8
34.
Bxa6
Nxa6
35.
Rxa6
Rb8
36.
Qb3
Qb7
37.
Qb5
Be5
38.
Bh6
f6
39.
Nd1
f5
40.
exf5
Nxd5
41.
Qxb7
Rxb7
42.
fxg6
hxg6
43.
f4
Bd4+
44.
Kf1
Nb6
1/2-1/2
Opening Explorer
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Site
Amsterdam
Date
1981.05.??
White
Donner, Jan Hein
Black
Ree, Hans
Result
1/2-1/2
BlackElo
2485
Score
[Event "IBM-21 Herinnerungs Toernooi"] [Site "Amsterdam"] [Date "1981.05.??"] [Round "?"] [White "Donner, Jan Hein"] [Black "Ree, Hans"] [Result "1/2-1/2"] [BlackElo "2485"] [ECO "E60"] [Opening "Indian Defense: West Indian Defense"] 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c5 5. d5 O-O 6. Nc3 d6 7. Nf3 e6 8. O-O exd5 9. cxd5 a6 10. a4 Nbd7 11. h3 Re8 12. Nd2 Rb8 13. Nc4 Nb6 14. Na3 Bd7 15. a5 Nc8 16. Nc4 Bb5 17. Qb3 Na7 18. Bd2 Bxc4 19. Qxc4 Qd7 20. e3 Nb5 21. Ra2 b6 22. axb6 Rxb6 23. Rfa1 Nc7 24. Na4 Rb7 25. Nc3 Reb8 26. Bc1 Rb4 27. Qd3 Qe7 28. Ra4 Nd7 29. Rxb4 Rxb4 30. Qc2 Rb8 31. Bf1 Nb6 32. e4 Qd7 33. h4 Re8 34. Bxa6 Nxa6 35. Rxa6 Rb8 36. Qb3 Qb7 37. Qb5 Be5 38. Bh6 f6 39. Nd1 f5 40. exf5 Nxd5 41. Qxb7 Rxb7 42. fxg6 hxg6 43. f4 Bd4+ 44. Kf1 Nb6 1/2-1/2