1.
d4
Nf6
2.
c4
g6
3.
Nc3
Bg7
4.
e4
d6
5.
f3
c6
6.
Be3
a6
7.
Bd3
b5
8.
cxb5
axb5
9.
a3
Nbd7
10.
Nge2
O-O
11.
O-O
Bb7
12.
Qd2
Nb6
13.
Rad1
e5
14.
dxe5
dxe5
15.
Bxb5
Nfd7
16.
Bd3
Qe7
17.
Qc2
Rfd8
18.
Nc1
Qe6
19.
Qb3
Qxb3
20.
Nxb3
Bf8
21.
Be2
Be7
22.
Rd2
Kf8
23.
Rfd1
Ke8
24.
Kf2
Ba6
25.
Bxa6
Rxa6
26.
Rc2
Nc4
27.
Nb1
Nxe3
28.
Kxe3
Rb8
29.
N3d2
Bc5+
30.
Ke2
Bd4
31.
Nc4
Ke7
32.
Nbd2
Ke6
33.
Rb1
Nc5
34.
b4
Na4
35.
Nb3
Rb5
36.
Kd3
c5
37.
g3
Ra8
38.
Nxd4+
cxd4
39.
Rf1
f5
40.
g4
f4
41.
h4
h6
42.
Ra1
Rc8
43.
Na5
Nc3
44.
Nb3
Ra8
45.
Nc5+
Kd6
46.
Kc4
Kc6
47.
Nd3
Kb6
48.
Kb3
Na4
49.
Rac1
Nc3
50.
a4
1-0
Opening Explorer
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Event
Site
Pasadena
Date
1983.08.08
Round
2
White
Fedorowicz, John P
Black
Koelsche, Giles A
Result
1-0
WhiteElo
2430
[Event "US Open-84"] [Site "Pasadena"] [Date "1983.08.08"] [Round "2"] [White "Fedorowicz, John P"] [Black "Koelsche, Giles A"] [Result "1-0"] [WhiteElo "2430"] 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c6 6. Be3 a6 7. Bd3 b5 8. cxb5 axb5 9. a3 Nbd7 10. Nge2 O-O 11. O-O Bb7 12. Qd2 Nb6 13. Rad1 e5 14. dxe5 dxe5 15. Bxb5 Nfd7 16. Bd3 Qe7 17. Qc2 Rfd8 18. Nc1 Qe6 19. Qb3 Qxb3 20. Nxb3 Bf8 21. Be2 Be7 22. Rd2 Kf8 23. Rfd1 Ke8 24. Kf2 Ba6 25. Bxa6 Rxa6 26. Rc2 Nc4 27. Nb1 Nxe3 28. Kxe3 Rb8 29. N3d2 Bc5+ 30. Ke2 Bd4 31. Nc4 Ke7 32. Nbd2 Ke6 33. Rb1 Nc5 34. b4 Na4 35. Nb3 Rb5 36. Kd3 c5 37. g3 Ra8 38. Nxd4+ cxd4 39. Rf1 f5 40. g4 f4 41. h4 h6 42. Ra1 Rc8 43. Na5 Nc3 44. Nb3 Ra8 45. Nc5+ Kd6 46. Kc4 Kc6 47. Nd3 Kb6 48. Kb3 Na4 49. Rac1 Nc3 50. a4 1-0