411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...e6/2. d4/2...d5/3. e5/3...c5/4. c3/4...Nc6/5. Nf3/5...Qb6/6. Bd3/6...cxd4/7. cxd4/7...Nxd4/8. Nxd4
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French Defence: Advance Variation rd bd kd bd nd rd pd pd pd pd pd qd pd pd pl nl bl pl pl pl pl pl rl nl bl ql kl rl
8.Nxd4
This move captures a free Knight. If he recaptures it, he meets with an even worse fate!
Theory table
+89...
Qxd4??Bb5+ +-...
Bc5 +-