411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...c5/2. Nf3/2...e6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Nc3/5...a6
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Sicilian Defense: French Variation rd nd bd qd kd bd rd pd pd pd pd pd pd pd nd nl pl nl pl pl pl pl pl pl rl bl ql kl bl rl
a6 prevents Nb5.
Sicilian Defense