1.
Nf3
Nf6
2.
g3
g6
3.
Bg2
Bg7
4.
O-O
O-O
5.
d4
d6
6.
c4
c6
7.
Nc3
Nbd7
8.
e4
e5
9.
dxe5
dxe5
10.
Qc2
1/2-1/2
Opening Explorer
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Event
Site
New York
Date
1977.12.20
Round
16
White
Black
Diesen, Mark C
Result
1/2-1/2
WhiteElo
2525
BlackElo
2360
Score
[Event "New York GHI"] [Site "New York"] [Date "1977.12.20"] [Round "16"] [White "Lein, Anatoly"] [Black "Diesen, Mark C"] [Result "1/2-1/2"] [WhiteElo "2525"] [BlackElo "2360"] [ECO "A05"] [Opening "Zukertort Opening"] 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 c6 7. Nc3 Nbd7 8. e4 e5 9. dxe5 dxe5 10. Qc2 1/2-1/2