• Sicilian closed (B23)

    e4 c5 Nc3

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    Sicilian closed, 2...Nc6 (B23) Nc6 Nc6 Sicilian closed, 2...Nc6 (B23)
    Sicilian closed, Korchnoi variation (B23) e6 g3 d5 e6 g3 d5 Sicilian closed, Korchnoi variation (B23)