All ECO Codes
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A90
Dutch Defence
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2
A90
Dutch Defence
Dutch-Indian (Nimzo-Dutch) Variation
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bb4
A90
Dutch Defence
Dutch-Indian, Alekhine Variation
1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bb4 5.Bd2 Be7