1.
e4
c5
2.
Nf3
g6
3.
d4
Bg7
4.
d5
d6
5.
c4
e5
6.
Be2
Ne7
7.
Nc3
Nd7
8.
O-O
O-O
9.
Rb1
h6
10.
Nb5
Nf6
11.
Nd2
a6
12.
Nc3
Bd7
13.
b4
b6
14.
a4
Qc7
15.
Ba3
Rfb8
16.
a5
cxb4
17.
axb6
Rxb6
18.
Bxb4
a5
19.
Ba3
Rxb1
20.
Qxb1
Nc8
21.
Nb5
Bxb5
22.
cxb5
Nd7
23.
Rc1
Nc5
24.
Nc4
Bf8
25.
b6
Qb7
26.
Bg4
f6
27.
Bxc5
dxc5
28.
Bxc8
Rxc8
29.
Nxa5
Qa6
30.
Nc6
Qb7
31.
Qb5
Ra8
32.
Na5
1-0
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Event
Site
Amsterdam
Date
1970.07.18
Round
5
White
Black
Jongsma, Alexander
Result
1-0
Score
[Event "IBM"] [Site "Amsterdam"] [Date "1970.07.18"] [Round "5"] [White "Geller, Efim P"] [Black "Jongsma, Alexander"] [Result "1-0"] 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. c4 e5 6. Be2 Ne7 7. Nc3 Nd7 8. O-O O-O 9. Rb1 h6 10. Nb5 Nf6 11. Nd2 a6 12. Nc3 Bd7 13. b4 b6 14. a4 Qc7 15. Ba3 Rfb8 16. a5 cxb4 17. axb6 Rxb6 18. Bxb4 a5 19. Ba3 Rxb1 20. Qxb1 Nc8 21. Nb5 Bxb5 22. cxb5 Nd7 23. Rc1 Nc5 24. Nc4 Bf8 25. b6 Qb7 26. Bg4 f6 27. Bxc5 dxc5 28. Bxc8 Rxc8 29. Nxa5 Qa6 30. Nc6 Qb7 31. Qb5 Ra8 32. Na5 1-0