1.
d4
Nf6
2.
c4
g6
3.
Nc3
Bg7
4.
e4
d6
5.
f3
O-O
6.
Nge2
e5
7.
Bg5
c6
8.
Qd2
Nbd7
9.
d5
Nb6
10.
Ng3
cxd5
11.
cxd5
Bd7
12.
Bb5
Bxb5
13.
Nxb5
a6
14.
Na3
Na4
15.
O-O
Rc8
16.
b3
Nc5
17.
Nc4
b6
18.
Rfc1
a5
19.
Rab1
Rb8
20.
a3
Qd7
21.
Be3
Rfc8
22.
b4
axb4
23.
Rxb4
b5
24.
Nxe5
dxe5
25.
Rxc5
Bf8
26.
Rxc8
Rxc8
27.
Rb3
Ne8
28.
Qb2
Nd6
29.
Qxe5
Nc4
30.
Qg5
Nxe3
31.
Rxe3
Bc5
32.
Kf2
Bxe3+
33.
Qxe3
Qd6
34.
Qd3
Qc5+
35.
Ke2
Qg1
36.
Qxb5
Rc2+
37.
Kd3
Qd1+
38.
Ke3
Qd2#
0-1
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Site
Reykjavik
Date
1966.01.17
Round
4
White
Halfdanarson, Jon
Black
Kristinsson, Jon
Result
0-1
[Event "Reykjavik International-02"] [Site "Reykjavik"] [Date "1966.01.17"] [Round "4"] [White "Halfdanarson, Jon"] [Black "Kristinsson, Jon"] [Result "0-1"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 e5 7. Bg5 c6 8. Qd2 Nbd7 9. d5 Nb6 10. Ng3 cxd5 11. cxd5 Bd7 12. Bb5 Bxb5 13. Nxb5 a6 14. Na3 Na4 15. O-O Rc8 16. b3 Nc5 17. Nc4 b6 18. Rfc1 a5 19. Rab1 Rb8 20. a3 Qd7 21. Be3 Rfc8 22. b4 axb4 23. Rxb4 b5 24. Nxe5 dxe5 25. Rxc5 Bf8 26. Rxc8 Rxc8 27. Rb3 Ne8 28. Qb2 Nd6 29. Qxe5 Nc4 30. Qg5 Nxe3 31. Rxe3 Bc5 32. Kf2 Bxe3+ 33. Qxe3 Qd6 34. Qd3 Qc5+ 35. Ke2 Qg1 36. Qxb5 Rc2+ 37. Kd3 Qd1+ 38. Ke3 Qd2# 0-1