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A90 Dutch defence( 1.d4 f5 2.c4 Ng8f6 3.g3 e6 4.Bf1g2) A90 Dutch defence: Dutch-Indian (Nimzo-Dutch) variation( 1.d4 f5 2.c4 Ng8f6 3.g3 e6 4.Bf1g2 Bf8b4) A90 Dutch-Indian, Alekhine variation( 1.d4 f5 2.c4 Ng8f6 3.g3 e6 4.Bf1g2 Bf8b4 5.Bc1d2 Bb4e7) Thanks to Franz Hemmer franz@hemsoft.ping.dk |