All ECO Codes
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E09
E09
Catalan Opening
Closed, Sokolsky Variation
1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 8.Nbd2 b6 9.b3 a5 10.Bb2 Ba6