ECO CODES
(Click on an opening description to see diagram)
B50 - B50
B50
Sicilian
1.
e2e4 c7c5
2.
g1f3 d7d6
B50
Sicilian: wing gambit deferred
1.
e2e4 c7c5
2.
g1f3 d7d6
3.
b2b4
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