1.
Nf3
Nf6
2.
g3
d5
3.
Bg2
Bf5
4.
O-O
e6
5.
d3
Be7
6.
Nbd2
h6
7.
c4
c6
8.
b3
O-O
9.
Bb2
Bh7
10.
Qc2
c5
11.
Rac1
Nc6
12.
cxd5
Nxd5
13.
Qb1
b6
14.
Qa1
Bf6
15.
Bxf6
Qxf6
16.
Qxf6
gxf6
17.
a3
Rac8
18.
Rc4
Na5
19.
Rc2
Nb7
20.
Rfc1
Rcd8
21.
Ne4
Bxe4
22.
dxe4
Ne7
23.
e5
fxe5
24.
Nxe5
Na5
25.
Rb1
f6
26.
b4
fxe5
27.
bxa5
Rd6
28.
axb6
axb6
29.
Rcb2
Rfd8
30.
Rxb6
Rxb6
31.
Rxb6
Rd1+
32.
Bf1
Kf7
33.
e4
c4
34.
Rb4
c3
35.
Rc4
Rc1
36.
Kg2
Ke8
37.
Rc5
Kd7
38.
Bb5+
Kd8
39.
a4
Nc8
40.
Rxe5
Nd6
41.
Rxe6
Rd1
42.
e5
Nxb5
43.
Rc6
Nd4
44.
Rxc3
Ke7
45.
a5
Ra1
46.
Rc4
Nf5
47.
Rc5
Ke6
48.
f4
h5
49.
Kh3
Nd4
50.
Kh4
Ra2
51.
Kxh5
Rxh2+
52.
Kg5
Rh8
53.
Rc3
Rg8+
54.
Kh4
Kf5
55.
Kh3
1/2-1/2
Opening Explorer
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Event
Site
Detroit East
Date
1983.??.??
White
Donaldson, John W
Black
Result
1/2-1/2
WhiteElo
2405
BlackElo
2410
[Event "Detroit East op"] [Site "Detroit East"] [Date "1983.??.??"] [Round "?"] [White "Donaldson, John W"] [Black "Blocker, Calvin"] [Result "1/2-1/2"] [WhiteElo "2405"] [BlackElo "2410"] 1. Nf3 Nf6 2. g3 d5 3. Bg2 Bf5 4. O-O e6 5. d3 Be7 6. Nbd2 h6 7. c4 c6 8. b3 O-O 9. Bb2 Bh7 10. Qc2 c5 11. Rac1 Nc6 12. cxd5 Nxd5 13. Qb1 b6 14. Qa1 Bf6 15. Bxf6 Qxf6 16. Qxf6 gxf6 17. a3 Rac8 18. Rc4 Na5 19. Rc2 Nb7 20. Rfc1 Rcd8 21. Ne4 Bxe4 22. dxe4 Ne7 23. e5 fxe5 24. Nxe5 Na5 25. Rb1 f6 26. b4 fxe5 27. bxa5 Rd6 28. axb6 axb6 29. Rcb2 Rfd8 30. Rxb6 Rxb6 31. Rxb6 Rd1+ 32. Bf1 Kf7 33. e4 c4 34. Rb4 c3 35. Rc4 Rc1 36. Kg2 Ke8 37. Rc5 Kd7 38. Bb5+ Kd8 39. a4 Nc8 40. Rxe5 Nd6 41. Rxe6 Rd1 42. e5 Nxb5 43. Rc6 Nd4 44. Rxc3 Ke7 45. a5 Ra1 46. Rc4 Nf5 47. Rc5 Ke6 48. f4 h5 49. Kh3 Nd4 50. Kh4 Ra2 51. Kxh5 Rxh2+ 52. Kg5 Rh8 53. Rc3 Rg8+ 54. Kh4 Kf5 55. Kh3 1/2-1/2