1.
c4
e5
2.
Nc3
d6
3.
g3
f5
4.
Bg2
Nf6
5.
d3
Be7
6.
f4
O-O
7.
e3
exf4
8.
exf4
Re8
9.
Nge2
c6
10.
d4
Na6
11.
Qb3
Kh8
12.
O-O
Nc7
13.
d5
c5
14.
Qc2
Rb8
15.
a3
b5
16.
cxb5
Nxb5
17.
Nxb5
Rxb5
18.
Nc3
Rb8
19.
Kh1
a5
20.
Re1
Qb6
21.
Bf1
Bd7
22.
Rb1
Qb7
23.
Bc4
Ne4
24.
Nxe4
fxe4
25.
Bd2
Bf5
26.
Bxa5
Bf6
27.
Bc3
Bd4
28.
Kg2
Qd7
29.
Rbd1
Bh3+
30.
Kh1
Bg4
31.
Be2
Bf3+
32.
Bxf3
exf3
33.
Bxd4
cxd4
34.
Qf2
Qa4
35.
Qxf3
Rxb2
36.
Rxe8+
Qxe8
37.
Kg1
h6
38.
h4
Rc2
39.
Qd3
Rc3
40.
Qxd4
Rxg3+
41.
Kf2
Qg6
42.
Re1
Rxa3
43.
Re3
Ra2+
44.
Re2
Rxe2+
45.
Kxe2
Qg4+
46.
Kf1
Qxh4
47.
Qe4
Qg4
48.
Kf2
h5
49.
Qe8+
Kh7
50.
Qe4+
Qg6
51.
f5
Qf6
52.
Qe6
h4
53.
Kf3
Qc3+
54.
Ke2
Qg3
55.
f6
gxf6
56.
Qf7+
Qg7
57.
Qh5+
Kg8
58.
Qxh4
Qg2+
59.
Ke1
Qxd5
60.
Qxf6
Qe4+
61.
Kd2
d5
62.
Qg5+
1/2-1/2
Opening Explorer
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Event
Site
Leningrad
Date
1960.07.22
Round
7
White
Van Oosterom, Joop J
Black
Martens, Rolf
Result
1/2-1/2
[Event "WchT Students 07th"] [Site "Leningrad"] [Date "1960.07.22"] [Round "7"] [White "Van Oosterom, Joop J"] [Black "Martens, Rolf"] [Result "1/2-1/2"] 1. c4 e5 2. Nc3 d6 3. g3 f5 4. Bg2 Nf6 5. d3 Be7 6. f4 O-O 7. e3 exf4 8. exf4 Re8 9. Nge2 c6 10. d4 Na6 11. Qb3 Kh8 12. O-O Nc7 13. d5 c5 14. Qc2 Rb8 15. a3 b5 16. cxb5 Nxb5 17. Nxb5 Rxb5 18. Nc3 Rb8 19. Kh1 a5 20. Re1 Qb6 21. Bf1 Bd7 22. Rb1 Qb7 23. Bc4 Ne4 24. Nxe4 fxe4 25. Bd2 Bf5 26. Bxa5 Bf6 27. Bc3 Bd4 28. Kg2 Qd7 29. Rbd1 Bh3+ 30. Kh1 Bg4 31. Be2 Bf3+ 32. Bxf3 exf3 33. Bxd4 cxd4 34. Qf2 Qa4 35. Qxf3 Rxb2 36. Rxe8+ Qxe8 37. Kg1 h6 38. h4 Rc2 39. Qd3 Rc3 40. Qxd4 Rxg3+ 41. Kf2 Qg6 42. Re1 Rxa3 43. Re3 Ra2+ 44. Re2 Rxe2+ 45. Kxe2 Qg4+ 46. Kf1 Qxh4 47. Qe4 Qg4 48. Kf2 h5 49. Qe8+ Kh7 50. Qe4+ Qg6 51. f5 Qf6 52. Qe6 h4 53. Kf3 Qc3+ 54. Ke2 Qg3 55. f6 gxf6 56. Qf7+ Qg7 57. Qh5+ Kg8 58. Qxh4 Qg2+ 59. Ke1 Qxd5 60. Qxf6 Qe4+ 61. Kd2 d5 62. Qg5+ 1/2-1/2