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D90 Gruenfeld: Three knights variation( 1.d4 Ng8f6 2.c4 g6 3.Nb1c3 d5 4.Ng1f3) D90 Gruenfeld: Schlechter variation( 1.d4 Ng8f6 2.c4 g6 3.Nb1c3 d5 4.Ng1f3 c6) D90 Gruenfeld: Three knights variation( 1.d4 Ng8f6 2.c4 g6 3.Nb1c3 d5 4.Ng1f3 Bf8g7) D90 Gruenfeld: Flohr variation( 1.d4 Ng8f6 2.c4 g6 3.Nb1c3 d5 4.Ng1f3 Bf8g7 5.Qd1a4) Thanks to Franz Hemmer franz@hemsoft.ping.dk |