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E20 Nimzo-Indian defence( 1.d4 Ng8f6 2.c4 e6 3.Nb1c3 Bf8b4) E20 Nimzo-Indian: Kmoch variation( 1.d4 Ng8f6 2.c4 e6 3.Nb1c3 Bf8b4 4.f3) E20 Nimzo-Indian: Mikenas attack( 1.d4 Ng8f6 2.c4 e6 3.Nb1c3 Bf8b4 4.Qd1d3) E20 Nimzo-Indian: Romanishin-Kasparov (Steiner) system( 1.d4 Ng8f6 2.c4 e6 3.Nb1c3 Bf8b4 4.g3) Thanks to Franz Hemmer franz@hemsoft.ping.dk |