Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Symmetrical_Variation
Moves: 1. Nf3 c5 2. c4 Nc6 3. Nc3 e6 4. e3 Nf6 5. d4 cxd4 6. exd4 d5 7. Bg5 Be7 8.
Bxf6 Bxf6 9. cxd5 exd5 10. Bd3 Nxd4 *
Position (FEN): r1bqk2r/pp3ppp/5b2/3p4/3n4/2NB1N2/PP3PPP/R2QK2R w KQkq - 0 11
White to move.
Themes:  Opening  
Puzzle rating: 1643
Best move: Nxd4