8
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a1
b
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2.Nf3 Bf5: c4, Qb3, and watch out for c2
After 1.d4 d5 2.Nf3 Bf5 3.Bf4, your file has 6 games at 33%. The black bishop is out early: this is the moment to target b7.
Recap: against …Qb6 with your bishop on g5, which move?