1.
e4
g6
2.
d4
Bg7
3.
Nf3
d6
4.
Be2
Nd7
5.
Nc3
c6
6.
a4
Nh6
7.
h4
c5
8.
h5
cxd4
9.
Nxd4
Nc5
10.
Bb5+
Bd7
11.
Be3
Qa5
12.
Kf1
Rc8
13.
Nb3
Nxb3
14.
cxb3
Bc6
15.
Qd5
Qxb5+
16.
Qxb5
Bxb5+
17.
axb5
Ng4
18.
Bxa7
Kd7
19.
f3
Ne5
20.
Ke2
f5
21.
Bd4
Rhg8
22.
Ra7
Rb8
23.
hxg6
Nxg6
24.
Bxg7
Rxg7
25.
exf5
Nf4+
26.
Ke3
Nxg2+
27.
Ke4
e6
28.
f6
d5+
29.
Kd4
Rf7
30.
Ke5
h5
31.
Na4
Ke8
32.
Rxh5
Ne1
33.
Rh8+
Rf8
34.
Rxf8+
Kxf8
35.
Kxe6
Nxf3
36.
Nb6
Nd4+
37.
Kxd5
Rd8+
38.
Kc4
Nf5
39.
Ra8
Ne3+
40.
Kc5
1-0
Opening Explorer
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Site
Hastings
Date
1973.12.??
White
Diesen, Mark C
Black
Result
1-0
Score
[Event "Christmas Congress 1973/74-49Challenger"] [Site "Hastings"] [Date "1973.12.??"] [Round "?"] [White "Diesen, Mark C"] [Black "Nunn, John DM"] [Result "1-0"] 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nd7 5. Nc3 c6 6. a4 Nh6 7. h4 c5 8. h5 cxd4 9. Nxd4 Nc5 10. Bb5+ Bd7 11. Be3 Qa5 12. Kf1 Rc8 13. Nb3 Nxb3 14. cxb3 Bc6 15. Qd5 Qxb5+ 16. Qxb5 Bxb5+ 17. axb5 Ng4 18. Bxa7 Kd7 19. f3 Ne5 20. Ke2 f5 21. Bd4 Rhg8 22. Ra7 Rb8 23. hxg6 Nxg6 24. Bxg7 Rxg7 25. exf5 Nf4+ 26. Ke3 Nxg2+ 27. Ke4 e6 28. f6 d5+ 29. Kd4 Rf7 30. Ke5 h5 31. Na4 Ke8 32. Rxh5 Ne1 33. Rh8+ Rf8 34. Rxf8+ Kxf8 35. Kxe6 Nxf3 36. Nb6 Nd4+ 37. Kxd5 Rd8+ 38. Kc4 Nf5 39. Ra8 Ne3+ 40. Kc5 1-0