1.
e4
c5
2.
Nf3
d6
3.
d4
cxd4
4.
Nxd4
Nf6
5.
Nc3
a6
6.
h3
e5
7.
Nde2
Be6
8.
g4
Be7
9.
Bg2
Nbd7
10.
Ng3
O-O
11.
Nf5
Nb6
12.
O-O
Ne8
13.
Nxe7+
Qxe7
14.
b3
Rc8
15.
Ne2
Nd7
16.
Ng3
Nc5
17.
c4
b5
18.
cxb5
axb5
19.
Be3
Qb7
20.
Rc1
f6
21.
Nf5
Rf7
22.
Nxd6
Nxd6
23.
Rxc5
Rxc5
24.
Bxc5
Rd7
25.
Qe2
Nf7
26.
Rd1
Rxd1+
27.
Qxd1
h5
28.
f3
Qc6
29.
Be3
hxg4
30.
hxg4
Kh7
31.
Bf1
Ng5
32.
Kf2
Kg6
33.
Qc1
Qa8
34.
Qd2
Qh8
35.
Bxg5
fxg5
36.
Bxb5
Qh2+
37.
Ke3
Qg1+
38.
Qf2
Qd1
39.
Bd3
Kf7
40.
Qf1
1-0
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Event
Site
Lugano
Date
1970.??.??
Round
2
White
Black
Donner, Jan Hein
Result
1-0
Score
[Event "Lugano"] [Site "Lugano"] [Date "1970.??.??"] [Round "2"] [White "Byrne, Robert Eugene"] [Black "Donner, Jan Hein"] [Result "1-0"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 Be6 8. g4 Be7 9. Bg2 Nbd7 10. Ng3 O-O 11. Nf5 Nb6 12. O-O Ne8 13. Nxe7+ Qxe7 14. b3 Rc8 15. Ne2 Nd7 16. Ng3 Nc5 17. c4 b5 18. cxb5 axb5 19. Be3 Qb7 20. Rc1 f6 21. Nf5 Rf7 22. Nxd6 Nxd6 23. Rxc5 Rxc5 24. Bxc5 Rd7 25. Qe2 Nf7 26. Rd1 Rxd1+ 27. Qxd1 h5 28. f3 Qc6 29. Be3 hxg4 30. hxg4 Kh7 31. Bf1 Ng5 32. Kf2 Kg6 33. Qc1 Qa8 34. Qd2 Qh8 35. Bxg5 fxg5 36. Bxb5 Qh2+ 37. Ke3 Qg1+ 38. Qf2 Qd1 39. Bd3 Kf7 40. Qf1 1-0