1.
d4
Nf6
2.
Nf3
e6
3.
Bg5
Be7
4.
Nbd2
c5
5.
e3
b6
6.
Bd3
Ba6
7.
Bxa6
Nxa6
8.
O-O
O-O
9.
c3
Nd5
10.
Bxe7
Qxe7
11.
a4
f5
12.
Qe2
Nac7
13.
Rfd1
cxd4
14.
cxd4
d6
15.
Rdc1
Rac8
16.
Rc4
Qd7
17.
Rac1
Ne7
18.
Qd1
Ncd5
19.
Qb3
Rxc4
20.
Rxc4
h6
21.
Ne1
g5
22.
Nd3
Kg7
23.
Nb1
Ng8
24.
Nc3
Ngf6
25.
Qb5
Rf7
26.
Qc6
Nxc3
27.
bxc3
Ne4
28.
Qxd7
Rxd7
29.
Rc8
Nf6
30.
c4
Ng8
31.
g3
Ne7
32.
Re8
Kf7
33.
Ra8
Rc7
34.
Nb2
Nc8
35.
Rb8
Ke7
36.
a5
bxa5
37.
Rb5
a4
38.
Ra5
Rb7
39.
Nxa4
Rb1+
40.
Kg2
Ra1
41.
c5
dxc5
42.
dxc5
Kd8
43.
h4
Kc7
44.
h5
Kc6
45.
Ra6+
Kb5
46.
Rxe6
Rxa4
47.
Re8
Rc4
48.
Rxc8
Rxc5
49.
Rb8+
Kc4
50.
Ra8
Rc7
51.
Kf3
Kb4
52.
g4
Rf7
53.
gxf5
Rxf5+
54.
Kg3
a5
55.
Ra6
a4
56.
Rxh6
a3
57.
Rd6
a2
58.
Rd1
Ra5
59.
Ra1
Kb3
60.
Kg4
Kb2
61.
Re1
a1=Q
62.
Rxa1
Kxa1
63.
h6
Kb2
64.
f4
gxf4
65.
exf4
Kc3
66.
h7
1/2-1/2
Opening Explorer
Explorer is loading.
Event
Site
Chicago
Date
1990.??.??
Round
1
White
Colias, Billy
Black
MacKenzie, Dana N
Result
1/2-1/2
WhiteElo
2290
[Event "USA Masters"] [Site "Chicago"] [Date "1990.??.??"] [Round "1"] [White "Colias, Billy"] [Black "MacKenzie, Dana N"] [Result "1/2-1/2"] [WhiteElo "2290"] 1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nbd2 c5 5. e3 b6 6. Bd3 Ba6 7. Bxa6 Nxa6 8. O-O O-O 9. c3 Nd5 10. Bxe7 Qxe7 11. a4 f5 12. Qe2 Nac7 13. Rfd1 cxd4 14. cxd4 d6 15. Rdc1 Rac8 16. Rc4 Qd7 17. Rac1 Ne7 18. Qd1 Ncd5 19. Qb3 Rxc4 20. Rxc4 h6 21. Ne1 g5 22. Nd3 Kg7 23. Nb1 Ng8 24. Nc3 Ngf6 25. Qb5 Rf7 26. Qc6 Nxc3 27. bxc3 Ne4 28. Qxd7 Rxd7 29. Rc8 Nf6 30. c4 Ng8 31. g3 Ne7 32. Re8 Kf7 33. Ra8 Rc7 34. Nb2 Nc8 35. Rb8 Ke7 36. a5 bxa5 37. Rb5 a4 38. Ra5 Rb7 39. Nxa4 Rb1+ 40. Kg2 Ra1 41. c5 dxc5 42. dxc5 Kd8 43. h4 Kc7 44. h5 Kc6 45. Ra6+ Kb5 46. Rxe6 Rxa4 47. Re8 Rc4 48. Rxc8 Rxc5 49. Rb8+ Kc4 50. Ra8 Rc7 51. Kf3 Kb4 52. g4 Rf7 53. gxf5 Rxf5+ 54. Kg3 a5 55. Ra6 a4 56. Rxh6 a3 57. Rd6 a2 58. Rd1 Ra5 59. Ra1 Kb3 60. Kg4 Kb2 61. Re1 a1=Q 62. Rxa1 Kxa1 63. h6 Kb2 64. f4 gxf4 65. exf4 Kc3 66. h7 1/2-1/2