All ECO Codes
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B23
Sicilian Defence
Closed
1.e4 c5 2.Nc3
B23
Sicilian Defence
Closed, Korchnoi Variation
1.e4 c5 2.Nc3 e6 3.g3 d5
B23
Sicilian Defence
Closed, 2...Nc6
1.e4 c5 2.Nc3 Nc6
B23
Sicilian Defence
Chameleon Variation
1.e4 c5 2.Nc3 Nc6 3.Nge2
B23
Sicilian Defence
Grand Prix Attack
1.e4 c5 2.Nc3 Nc6 3.f4
B23
Sicilian Defence
Grand Prix Attack, Schofman Variation
1.e4 c5 2.Nc3 Nc6 3.f4 g6 4.Nf3 Bg7 5.Bc4 e6 6.f5