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London System
London System
2 variations · Flank openings · main line
1.d4 Nf6 2.Nf3 g6 3.Bf4
A48
London System
1.d4 Nf6 2.Nf3 g6 3.Bf4
D02
London System: Poisoned Pawn Variation
1.d4 Nf6 2.Nf3 d5 3.Bf4 c5 4.e3 Qb6 5.Nc3