Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Agincourt_Defense
Moves: 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nc3 d4 5. Ne4 Nxe4 6. Bxe4 f5 7. Bg2 Nc6 8. d3
Bd6 9. Nf3 h6 10. a3 e5 11. b4 e4 12. dxe4 fxe4 13. Nxd4 *
Position (FEN): r1bqk2r/ppp3p1/2nb3p/8/1PPNp3/P5P1/4PPBP/R1BQK2R b KQkq - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 947
Best move: Nxd4