1.
c4
e6
2.
Nf3
f5
3.
g3
Nf6
4.
Bg2
Be7
5.
O-O
O-O
6.
d4
Kh8
7.
Qb3
d6
8.
Nc3
Nh5
9.
e4
g5
10.
exf5
exf5
11.
Nd5
g4
12.
Re1
Bf6
13.
Nxf6
Qxf6
14.
Nh4
f4
15.
Qc3
Nc6
16.
Re4
fxg3
17.
fxg3
Bd7
1/2-1/2
Opening Explorer
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Site
Le Havre
Date
1966.04.11
Round
9
White
Roos, Michel
Black
Mazzoni, Guy
Result
1/2-1/2
Score
[Event "Europe-Echecs-03 Le Havre GM"] [Site "Le Havre"] [Date "1966.04.11"] [Round "9"] [White "Roos, Michel"] [Black "Mazzoni, Guy"] [Result "1/2-1/2"] 1. c4 e6 2. Nf3 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 Kh8 7. Qb3 d6 8. Nc3 Nh5 9. e4 g5 10. exf5 exf5 11. Nd5 g4 12. Re1 Bf6 13. Nxf6 Qxf6 14. Nh4 f4 15. Qc3 Nc6 16. Re4 fxg3 17. fxg3 Bd7 1/2-1/2