1.
e4
c5
2.
Nf3
a6
3.
c3
Nf6
4.
e5
Nd5
5.
d4
cxd4
6.
Bc4
Nb6
7.
Bb3
d5
8.
exd6
Qxd6
9.
cxd4
g6
10.
Ng5
Nd5
11.
Nxf7
Kxf7
12.
Qf3+
Kg7
13.
Qxd5
Qxd5
14.
Bxd5
e6
15.
Bb3
Nc6
16.
Be3
Na5
17.
Bc2
Nc4
18.
Nd2
Bb4
19.
O-O-O
Bxd2+
20.
Bxd2
Nxd2
21.
Rxd2
Bd7
22.
Bb3
Rac8+
23.
Kb1
Rhf8
24.
Re1
Kf6
25.
Rde2
Rc6
26.
Re3
Rd6
27.
Rf3+
Kg7
28.
Rxf8
Kxf8
29.
Re4
Rc6
30.
Re5
Rd6
31.
d5
exd5
32.
Rxd5
Bf5+
33.
Kc1
Rf6
34.
Rd8+
Ke7
35.
Rh8
g5
36.
Rb8
Be4
37.
f3
Bc6
38.
Rg8
Rh6
39.
h3
Kf6
40.
Kd2
Kf5
41.
Ke3
Rh4
42.
Rg7
Kf6
43.
Rc7
h6
44.
a3
Ke5
45.
Rh7
Kd6
46.
Bc2
Ke5
47.
Bb1
Kd6
48.
Bd3
Ke5
49.
Bf1
Kd6
50.
g4
Ke5
51.
Rf7
Ke6
52.
Rf5
Kd6
53.
Kd4
Ke6
54.
Kc5
h5
55.
Rxg5
Bxf3
56.
Rxh5
Rxh5+
57.
gxh5
Bxh5
58.
Bg2
b5
59.
Bb7
1-0
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Event
Site
Lincoln
Date
1969.08.14
Round
5
White
Grefe, John Alan
Black
Presser, David
Result
1-0
Score
[Event "US Open-70"] [Site "Lincoln"] [Date "1969.08.14"] [Round "5"] [White "Grefe, John Alan"] [Black "Presser, David"] [Result "1-0"] 1. e4 c5 2. Nf3 a6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. cxd4 g6 10. Ng5 Nd5 11. Nxf7 Kxf7 12. Qf3+ Kg7 13. Qxd5 Qxd5 14. Bxd5 e6 15. Bb3 Nc6 16. Be3 Na5 17. Bc2 Nc4 18. Nd2 Bb4 19. O-O-O Bxd2+ 20. Bxd2 Nxd2 21. Rxd2 Bd7 22. Bb3 Rac8+ 23. Kb1 Rhf8 24. Re1 Kf6 25. Rde2 Rc6 26. Re3 Rd6 27. Rf3+ Kg7 28. Rxf8 Kxf8 29. Re4 Rc6 30. Re5 Rd6 31. d5 exd5 32. Rxd5 Bf5+ 33. Kc1 Rf6 34. Rd8+ Ke7 35. Rh8 g5 36. Rb8 Be4 37. f3 Bc6 38. Rg8 Rh6 39. h3 Kf6 40. Kd2 Kf5 41. Ke3 Rh4 42. Rg7 Kf6 43. Rc7 h6 44. a3 Ke5 45. Rh7 Kd6 46. Bc2 Ke5 47. Bb1 Kd6 48. Bd3 Ke5 49. Bf1 Kd6 50. g4 Ke5 51. Rf7 Ke6 52. Rf5 Kd6 53. Kd4 Ke6 54. Kc5 h5 55. Rxg5 Bxf3 56. Rxh5 Rxh5+ 57. gxh5 Bxh5 58. Bg2 b5 59. Bb7 1-0