411 REFERENCE · Wikibooks
Chess Opening Theory/1. d4/1...d5/2. c4/2...c6/3. Nf3/3...Nf6/4. Nc3/4...Bf5
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Slav Defense: Three Knights Variation rd nd qd kd bd rd pd pd pd pd pd pd pd nd pd bd pl pl nl nl pl pl pl pl pl pl rl bl ql kl bl rl
4...Bf5?!
This move looks natural, but it allows the annoying cxd5 cxd5 Qb3, losing a pawn if the bishop does not retreat to c8.
Slav Defense