1.
e4
c5
2.
Nf3
Nc6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
e5
6.
Ndb5
d6
7.
Bg5
a6
8.
Na3
b5
9.
Nd5
Be7
10.
Bxf6
Bxf6
11.
c3
O-O
12.
Be2
Rb8
13.
Nc2
Bg5
14.
Bg4
Be6
15.
Nce3
g6
16.
Qf3
h5
17.
Bh3
b4
18.
O-O
Kg7
19.
Qe2
Qc8
20.
Bxe6
fxe6
21.
Nxb4
Nxb4
22.
cxb4
Rxb4
23.
Rfd1
Qb8
24.
Nc4
Rd8
25.
b3
d5
26.
exd5
exd5
27.
Qxe5+
Bf6
28.
Qxb8
Rbxb8
29.
Na5
Bxa1
30.
Rxa1
Rd6
31.
a4
Kf6
32.
Kf1
Rb4
33.
Rd1
Ke7
34.
Ke2
Kd7
35.
Kd3
Kc7
36.
Kc3
Rf4
37.
f3
g5
38.
h3
Rd7
39.
b4
Kd6
40.
Kb3
Re7
41.
Rd3
h4
42.
Kc3
Re2
43.
Nb7+
Ke5
44.
Nc5
a5
45.
Na6
axb4+
46.
Nxb4
Rc4+
47.
Kb3
Rc5
48.
a5
Kd6
49.
a6
Ra5
50.
Rd1
Re3+
51.
Kc2
Rea3
52.
Rd4
Ke6
53.
f4
Rg3
54.
fxg5
Rxg2+
55.
Kb1
Ra3
56.
Rxh4
Rxg5
57.
Kb2
Rgg3
58.
Rh6+
Ke5
59.
Nc6+
Kf4
60.
a7
Rgb3+
1/2-1/2
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Event
Site
Berkeley
Date
1977.??.??
Round
6
White
Siff, Boris
Black
Sanchez, Gabriel
Result
1/2-1/2
Score
[Event "CalChess Class-ch op"] [Site "Berkeley"] [Date "1977.??.??"] [Round "6"] [White "Siff, Boris"] [Black "Sanchez, Gabriel"] [Result "1/2-1/2"] 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 O-O 12. Be2 Rb8 13. Nc2 Bg5 14. Bg4 Be6 15. Nce3 g6 16. Qf3 h5 17. Bh3 b4 18. O-O Kg7 19. Qe2 Qc8 20. Bxe6 fxe6 21. Nxb4 Nxb4 22. cxb4 Rxb4 23. Rfd1 Qb8 24. Nc4 Rd8 25. b3 d5 26. exd5 exd5 27. Qxe5+ Bf6 28. Qxb8 Rbxb8 29. Na5 Bxa1 30. Rxa1 Rd6 31. a4 Kf6 32. Kf1 Rb4 33. Rd1 Ke7 34. Ke2 Kd7 35. Kd3 Kc7 36. Kc3 Rf4 37. f3 g5 38. h3 Rd7 39. b4 Kd6 40. Kb3 Re7 41. Rd3 h4 42. Kc3 Re2 43. Nb7+ Ke5 44. Nc5 a5 45. Na6 axb4+ 46. Nxb4 Rc4+ 47. Kb3 Rc5 48. a5 Kd6 49. a6 Ra5 50. Rd1 Re3+ 51. Kc2 Rea3 52. Rd4 Ke6 53. f4 Rg3 54. fxg5 Rxg2+ 55. Kb1 Ra3 56. Rxh4 Rxg5 57. Kb2 Rgg3 58. Rh6+ Ke5 59. Nc6+ Kf4 60. a7 Rgb3+ 1/2-1/2