1.
e4
c5
2.
g3
g6
3.
Bg2
Bg7
4.
Ne2
Nc6
5.
Nbc3
d6
6.
d3
e6
7.
O-O
Nge7
8.
Be3
O-O
9.
f4
f5
10.
Rb1
Nd4
11.
b4
Nec6
12.
bxc5
dxc5
13.
e5
Qa5
14.
Rb2
a6
15.
Bd2
Qc7
16.
Nxd4
cxd4
17.
Na4
b5
18.
Nc5
Rb8
19.
Nb3
Qb6
20.
Qf3
Bb7
21.
Qf2
Rfd8
22.
Rfb1
Ba8
23.
Kf1
Bf8
24.
Bxc6
Qxc6
25.
Re1
Ba3
26.
Na5
Qd5
27.
Rb3
Bc5
28.
Reb1
Rbc8
29.
c4
dxc3
0-1
Opening Explorer
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Site
Krakow
Date
1964.07.31
Round
8(2)
White
Willems, Leo
Black
Primavera, Roberto
Result
0-1
[Event "WchT Students 11th final B"] [Site "Krakow"] [Date "1964.07.31"] [Round "8(2)"] [White "Willems, Leo"] [Black "Primavera, Roberto"] [Result "0-1"] 1. e4 c5 2. g3 g6 3. Bg2 Bg7 4. Ne2 Nc6 5. Nbc3 d6 6. d3 e6 7. O-O Nge7 8. Be3 O-O 9. f4 f5 10. Rb1 Nd4 11. b4 Nec6 12. bxc5 dxc5 13. e5 Qa5 14. Rb2 a6 15. Bd2 Qc7 16. Nxd4 cxd4 17. Na4 b5 18. Nc5 Rb8 19. Nb3 Qb6 20. Qf3 Bb7 21. Qf2 Rfd8 22. Rfb1 Ba8 23. Kf1 Bf8 24. Bxc6 Qxc6 25. Re1 Ba3 26. Na5 Qd5 27. Rb3 Bc5 28. Reb1 Rbc8 29. c4 dxc3 0-1