1.
c4
Nf6
2.
Nc3
e6
3.
Nf3
c5
4.
g3
d5
5.
cxd5
Nxd5
6.
Bg2
Nc6
7.
O-O
Be7
8.
d4
O-O
9.
Nxd5
Qxd5
10.
Be3
c4
11.
Ne5
Qb5
12.
Nxc6
bxc6
13.
Qc2
Ba6
14.
b3
Rac8
15.
Rfc1
cxb3
16.
axb3
Qxe2
17.
Qxe2
Bxe2
18.
Rxa7
Bf6
19.
Rxc6
Rb8
20.
d5
Rxb3
21.
h3
exd5
22.
Bxd5
Rc3
23.
Rxc3
Bxc3
24.
Bc5
Rc8
25.
Bxf7+
Kh8
26.
Bd5
h6
27.
Be4
Bc4
28.
Be3
Bg8
29.
h4
Bh7
30.
Bf3
Rd8
31.
Rc7
Be5
32.
Re7
Bf6
33.
Rb7
Bg8
34.
Kg2
Bd5
35.
Bxd5
Rxd5
36.
Kf3
Kg8
37.
Ke4
Re5+
38.
Kf4
Re7
39.
Rxe7
Bxe7
40.
Kf5
Kf7
41.
h5
Bb4
42.
Bd4
1/2-1/2
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Event
Site
Wageningen
Date
1957.10.30
Round
3
White
Black
Niephaus, Walter
Result
1/2-1/2
Score
[Event "Wageningen Zonal"] [Site "Wageningen"] [Date "1957.10.30"] [Round "3"] [White "Ivkov, Borislav"] [Black "Niephaus, Walter"] [Result "1/2-1/2"] 1. c4 Nf6 2. Nc3 e6 3. Nf3 c5 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nc6 7. O-O Be7 8. d4 O-O 9. Nxd5 Qxd5 10. Be3 c4 11. Ne5 Qb5 12. Nxc6 bxc6 13. Qc2 Ba6 14. b3 Rac8 15. Rfc1 cxb3 16. axb3 Qxe2 17. Qxe2 Bxe2 18. Rxa7 Bf6 19. Rxc6 Rb8 20. d5 Rxb3 21. h3 exd5 22. Bxd5 Rc3 23. Rxc3 Bxc3 24. Bc5 Rc8 25. Bxf7+ Kh8 26. Bd5 h6 27. Be4 Bc4 28. Be3 Bg8 29. h4 Bh7 30. Bf3 Rd8 31. Rc7 Be5 32. Re7 Bf6 33. Rb7 Bg8 34. Kg2 Bd5 35. Bxd5 Rxd5 36. Kf3 Kg8 37. Ke4 Re5+ 38. Kf4 Re7 39. Rxe7 Bxe7 40. Kf5 Kf7 41. h5 Bb4 42. Bd4 1/2-1/2