411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. Nc3/3...dxe4/4. Nxe4/4...e5
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Caro-Kann
Caro-Kann
A rarely seen move as it gives up a pawn for the idea of 5. dxe5 Qxd1+ 6. Kxd1 where White has lost castling rights. However, the simple 5. Nf3 gives white a lead in development and an advantage.
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