1.
g3
g6
2.
Bg2
Bg7
3.
Nf3
e5
4.
d3
f5
5.
e4
d6
6.
exf5
gxf5
7.
Nh4
Nf6
8.
Bh3
f4
9.
Bf5
Nc6
10.
gxf4
Bxf5
11.
Nxf5
Qd7
12.
Ng3
O-O-O
13.
f5
Nd4
14.
Bg5
Qc6
15.
Bxf6
Bxf6
16.
c3
Nf3+
17.
Ke2
Rdf8
18.
Qb3
Nh4
19.
Nd2
d5
20.
c4
Qd7
21.
cxd5
Nxf5
22.
Nxf5
Qxf5
23.
Raf1
Bg5
24.
Ne4
Qf3+
25.
Ke1
Be7
26.
Rhg1
Rd8
27.
Rg7
Bf8
28.
Rg5
Qf4
29.
Ke2
Qxh2
30.
Rc1
Qf4
31.
Qc3
Rd7
32.
Qxe5
Qxe5
33.
Rxe5
Bg7
34.
Rh5
Bxb2
35.
Rch1
b6
36.
f4
Rf8
37.
Ke3
h6
38.
R5h2
Bg7
39.
Rg2
Rff7
40.
Rh5
Bf8
41.
Rg6
Kb7
42.
Rf6
Rxf6
43.
Nxf6
Rg7
44.
Kf3
Rg1
45.
Ne4
Rd1
46.
Ke3
Ra1
47.
Rh2
a5
48.
f5
Rf1
49.
f6
Rf5
50.
Kd4
h5
51.
a4
Ka6
52.
Kc4
Bd6
53.
Nxd6
cxd6
54.
d4
Rxf6
55.
Rxh5
Rf3
56.
Rh6
Ra3
57.
Rxd6
Rxa4+
58.
Kc3
Kb5
59.
Kd3
Ra1
60.
Rd8
Re1
61.
Rc8
Re7
62.
Rd8
a4
63.
d6
1/2-1/2
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Event
Site
Boston
Date
1970.08.13
Round
4
White
Blumenfeld, Rudy
Black
Result
1/2-1/2
[Event "US Open-71"] [Site "Boston"] [Date "1970.08.13"] [Round "4"] [White "Blumenfeld, Rudy"] [Black "Larsen, Bent"] [Result "1/2-1/2"] [EventArchiveKey "us-open-1970-boston"] 1. g3 g6 2. Bg2 Bg7 3. Nf3 e5 4. d3 f5 5. e4 d6 6. exf5 gxf5 7. Nh4 Nf6 8. Bh3 f4 9. Bf5 Nc6 10. gxf4 Bxf5 11. Nxf5 Qd7 12. Ng3 O-O-O 13. f5 Nd4 14. Bg5 Qc6 15. Bxf6 Bxf6 16. c3 Nf3+ 17. Ke2 Rdf8 18. Qb3 Nh4 19. Nd2 d5 20. c4 Qd7 21. cxd5 Nxf5 22. Nxf5 Qxf5 23. Raf1 Bg5 24. Ne4 Qf3+ 25. Ke1 Be7 26. Rhg1 Rd8 27. Rg7 Bf8 28. Rg5 Qf4 29. Ke2 Qxh2 30. Rc1 Qf4 31. Qc3 Rd7 32. Qxe5 Qxe5 33. Rxe5 Bg7 34. Rh5 Bxb2 35. Rch1 b6 36. f4 Rf8 37. Ke3 h6 38. R5h2 Bg7 39. Rg2 Rff7 40. Rh5 Bf8 41. Rg6 Kb7 42. Rf6 Rxf6 43. Nxf6 Rg7 44. Kf3 Rg1 45. Ne4 Rd1 46. Ke3 Ra1 47. Rh2 a5 48. f5 Rf1 49. f6 Rf5 50. Kd4 h5 51. a4 Ka6 52. Kc4 Bd6 53. Nxd6 cxd6 54. d4 Rxf6 55. Rxh5 Rf3 56. Rh6 Ra3 57. Rxd6 Rxa4+ 58. Kc3 Kb5 59. Kd3 Ra1 60. Rd8 Re1 61. Rc8 Re7 62. Rd8 a4 63. d6 1/2-1/2