1.
d4
Nf6
2.
c4
g6
3.
Nc3
d5
4.
Nf3
Bg7
5.
Qb3
dxc4
6.
Qxc4
O-O
7.
e4
Nc6
8.
Be2
Bg4
9.
Be3
Bxf3
10.
Bxf3
e5
11.
d5
Nd4
12.
O-O-O
Nd7
13.
Nb5
Nb6
14.
Qd3
Nxf3
15.
gxf3
Qf6
16.
Nxc7
Rac8
17.
d6
Na8
18.
Kb1
Nxc7
19.
dxc7
Rxc7
20.
Qd6
Qxd6
21.
Rxd6
b6
22.
Rc1
Rb7
23.
a4
f5
24.
Ka2
fxe4
25.
fxe4
Bf6
26.
Rdc6
Kg7
27.
Rc7+
Rf7
28.
Rxb7
Rxb7
29.
Kb3
Bh4
30.
Kb4
Rf7
31.
Rc2
h6
32.
Kb5
Bg5
33.
Bxg5
hxg5
34.
Kc6
Kf6
35.
Kd6
Rf8
1/2-1/2
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Event
Site
New York
Date
1963.12.22
Round
6
White
Black
Result
1/2-1/2
Score
[Event "USA-ch"] [Site "New York"] [Date "1963.12.22"] [Round "6"] [White "Byrne, Robert Eugene"] [Black "Byrne, Donald"] [Result "1/2-1/2"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Nc6 8. Be2 Bg4 9. Be3 Bxf3 10. Bxf3 e5 11. d5 Nd4 12. O-O-O Nd7 13. Nb5 Nb6 14. Qd3 Nxf3 15. gxf3 Qf6 16. Nxc7 Rac8 17. d6 Na8 18. Kb1 Nxc7 19. dxc7 Rxc7 20. Qd6 Qxd6 21. Rxd6 b6 22. Rc1 Rb7 23. a4 f5 24. Ka2 fxe4 25. fxe4 Bf6 26. Rdc6 Kg7 27. Rc7+ Rf7 28. Rxb7 Rxb7 29. Kb3 Bh4 30. Kb4 Rf7 31. Rc2 h6 32. Kb5 Bg5 33. Bxg5 hxg5 34. Kc6 Kf6 35. Kd6 Rf8 1/2-1/2