1.
f4
Nf6
2.
Nf3
g6
3.
b4
Bg7
4.
Bb2
O-O
5.
e3
a5
6.
b5
c5
7.
bxc6
bxc6
8.
Na3
d6
9.
Rb1
Nbd7
10.
Be2
Ba6
11.
O-O
Qc7
12.
Bxa6
Rxa6
13.
Nc4
Rb8
14.
Qe2
Qa7
15.
Bc3
Nd5
16.
Rxb8+
Nxb8
17.
Bxg7
Kxg7
18.
f5
Qc5
19.
Rb1
Nb6
20.
fxg6
hxg6
21.
Rxb6
Rxb6
22.
Nxb6
Qxb6
23.
Qc4
Nd7
24.
Kf2
Nf6
25.
Ke2
e5
26.
Qb3
Qc5
27.
Kd1
e4
28.
Nd4
Qh5+
29.
Kc1
Qxh2
30.
Qb7
Qxg2
31.
Qxc6
Qg3
32.
c4
Qe5
33.
Qb5
g5
34.
Qxe5
dxe5
35.
Ne2
Nd7
36.
Kd1
Nc5
37.
Ke1
Kg6
38.
Kf2
f5
39.
Nc3
Nd3+
40.
Kg2
Ne1+
41.
Kf1
Nd3
42.
Na4
g4
43.
c5
Nb4
44.
Nb6
Kf6
45.
Nc4
Nc6
46.
Kg2
Ke6
47.
Nd6
Nb4
48.
Nc4
Nc6
49.
Nd6
a4
50.
a3
Na5
51.
Nb5
Kd5
52.
Nc3+
Kxc5
53.
Nxa4+
Kc4
54.
Nb6+
Kd3
55.
Nc8
Kxd2
56.
Nd6
f4
57.
exf4
e3
58.
Ne4+
Kd3
59.
Nc5+
Kc4
60.
Ne6
Kc3
61.
f5
e2
62.
f6
e1=Q
63.
f7
Qe2+
64.
Kg1
Qe3+
0-1
Opening Explorer
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Site
Ybbs
Date
1968.07.16
Round
3(4)
White
Kolbak, Jens
Black
Halfdanarson, Jon
Result
0-1
[Event "WchT Students 15th Group4"] [Site "Ybbs"] [Date "1968.07.16"] [Round "3(4)"] [White "Kolbak, Jens"] [Black "Halfdanarson, Jon"] [Result "0-1"] 1. f4 Nf6 2. Nf3 g6 3. b4 Bg7 4. Bb2 O-O 5. e3 a5 6. b5 c5 7. bxc6 bxc6 8. Na3 d6 9. Rb1 Nbd7 10. Be2 Ba6 11. O-O Qc7 12. Bxa6 Rxa6 13. Nc4 Rb8 14. Qe2 Qa7 15. Bc3 Nd5 16. Rxb8+ Nxb8 17. Bxg7 Kxg7 18. f5 Qc5 19. Rb1 Nb6 20. fxg6 hxg6 21. Rxb6 Rxb6 22. Nxb6 Qxb6 23. Qc4 Nd7 24. Kf2 Nf6 25. Ke2 e5 26. Qb3 Qc5 27. Kd1 e4 28. Nd4 Qh5+ 29. Kc1 Qxh2 30. Qb7 Qxg2 31. Qxc6 Qg3 32. c4 Qe5 33. Qb5 g5 34. Qxe5 dxe5 35. Ne2 Nd7 36. Kd1 Nc5 37. Ke1 Kg6 38. Kf2 f5 39. Nc3 Nd3+ 40. Kg2 Ne1+ 41. Kf1 Nd3 42. Na4 g4 43. c5 Nb4 44. Nb6 Kf6 45. Nc4 Nc6 46. Kg2 Ke6 47. Nd6 Nb4 48. Nc4 Nc6 49. Nd6 a4 50. a3 Na5 51. Nb5 Kd5 52. Nc3+ Kxc5 53. Nxa4+ Kc4 54. Nb6+ Kd3 55. Nc8 Kxd2 56. Nd6 f4 57. exf4 e3 58. Ne4+ Kd3 59. Nc5+ Kc4 60. Ne6 Kc3 61. f5 e2 62. f6 e1=Q 63. f7 Qe2+ 64. Kg1 Qe3+ 0-1