1.
c4
Nf6
2.
Nc3
g6
3.
Nf3
Bg7
4.
d4
O-O
5.
e4
d6
6.
Be2
Nbd7
7.
O-O
e5
8.
Be3
c6
9.
h3
Qe7
10.
d5
c5
11.
Ne1
Ne8
12.
f3
f5
13.
g4
f4
14.
Bf2
Bf6
15.
Nd3
Bh4
16.
Qe1
Bxf2+
17.
Qxf2
h5
18.
Qg2
hxg4
19.
fxg4
g5
20.
a3
Nef6
21.
Ne1
Kg7
22.
Nf3
Kg6
23.
h4
Nh7
24.
h5+
Kh6
25.
Nh2
Nhf6
26.
Rab1
b6
27.
b3
Rb8
28.
Qf3
Rb7
29.
Qd3
Rg8
30.
Kh1
Nb8
31.
Rg1
Bd7
32.
Qf3
Na6
33.
Rb2
Nc7
34.
Nb5
Nce8
35.
Nc3
Ng7
36.
Bd1
Rgb8
37.
a4
a6
38.
Be2
Nge8
39.
Ra1
Nc7
40.
Rba2
Qh7
41.
Kg2
b5
42.
axb5
axb5
43.
Ra7
bxc4
44.
bxc4
Qg8
45.
Rxb7
Rxb7
46.
Rb1
Rxb1
47.
Nxb1
Qb8
48.
Nd2
Qb2
49.
Ndf1
Na6
50.
Ng3
Qc2
51.
Nf5+
Bxf5
52.
gxf5
Nxe4
53.
Ng4+
Kg7
54.
h6+
Kh8
55.
f6
Nb8
56.
f7
Nd7
57.
Ne3
Qa2
58.
Nd1
Nef6
59.
Nc3
Qc2
60.
Qd3
Qxd3
61.
Bxd3
Ng4
62.
h7
Nh6
63.
Nb5
Nxf7
64.
Bg6
Nd8
65.
Nxd6
Nf8
66.
Bf5
Nxh7
67.
Ne4
Kg7
68.
Nxc5
Nf6
69.
Kf3
Kf7
70.
Nd3
Ne8
71.
Nxe5+
Kf6
72.
Bd7
Kxe5
73.
Bxe8
Kd4
74.
Bb5
Nf7
75.
Kg4
Nd6
76.
Kxg5
f3
77.
Bd7
Kxc4
78.
Kf4
f2
79.
Bh3
Kxd5
80.
Kf3
Ne4
81.
Bg2
Ke5
82.
Ke2
Kf4
83.
Bxe4
Kxe4
84.
Kxf2
1/2-1/2
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Event
Site
Reykjavik
Date
1969.04.01
Round
4
White
Jonsson, Halldor
Black
Halfdanarson, Jon
Result
1/2-1/2
[Event "ISL-ch55"] [Site "Reykjavik"] [Date "1969.04.01"] [Round "4"] [White "Jonsson, Halldor"] [Black "Halfdanarson, Jon"] [Result "1/2-1/2"] 1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 Nbd7 7. O-O e5 8. Be3 c6 9. h3 Qe7 10. d5 c5 11. Ne1 Ne8 12. f3 f5 13. g4 f4 14. Bf2 Bf6 15. Nd3 Bh4 16. Qe1 Bxf2+ 17. Qxf2 h5 18. Qg2 hxg4 19. fxg4 g5 20. a3 Nef6 21. Ne1 Kg7 22. Nf3 Kg6 23. h4 Nh7 24. h5+ Kh6 25. Nh2 Nhf6 26. Rab1 b6 27. b3 Rb8 28. Qf3 Rb7 29. Qd3 Rg8 30. Kh1 Nb8 31. Rg1 Bd7 32. Qf3 Na6 33. Rb2 Nc7 34. Nb5 Nce8 35. Nc3 Ng7 36. Bd1 Rgb8 37. a4 a6 38. Be2 Nge8 39. Ra1 Nc7 40. Rba2 Qh7 41. Kg2 b5 42. axb5 axb5 43. Ra7 bxc4 44. bxc4 Qg8 45. Rxb7 Rxb7 46. Rb1 Rxb1 47. Nxb1 Qb8 48. Nd2 Qb2 49. Ndf1 Na6 50. Ng3 Qc2 51. Nf5+ Bxf5 52. gxf5 Nxe4 53. Ng4+ Kg7 54. h6+ Kh8 55. f6 Nb8 56. f7 Nd7 57. Ne3 Qa2 58. Nd1 Nef6 59. Nc3 Qc2 60. Qd3 Qxd3 61. Bxd3 Ng4 62. h7 Nh6 63. Nb5 Nxf7 64. Bg6 Nd8 65. Nxd6 Nf8 66. Bf5 Nxh7 67. Ne4 Kg7 68. Nxc5 Nf6 69. Kf3 Kf7 70. Nd3 Ne8 71. Nxe5+ Kf6 72. Bd7 Kxe5 73. Bxe8 Kd4 74. Bb5 Nf7 75. Kg4 Nd6 76. Kxg5 f3 77. Bd7 Kxc4 78. Kf4 f2 79. Bh3 Kxd5 80. Kf3 Ne4 81. Bg2 Ke5 82. Ke2 Kf4 83. Bxe4 Kxe4 84. Kxf2 1/2-1/2