Chess puzzle (Advantage)
Moves: 1. e4 d5 2. exd5 Qxd5 3. d3 Nf6 4. Nc3 Qa5 5. f3 Bf5 6. Bd2 Nc6 7. a3 O-O-O 8.
b4 Qe5+ 9. Nge2 g6 10. f4 Qe6 11. Qc1 Nd4 12. h3 Nxe2 13. Bxe2 Qc6 14. Rg1 h5
15. Qb2 Bg7 16. O-O-O Rhe8 17. Bf3 Qb6 18. Rge1 Nd7 19. Qb3 Be6 20. Nd5 Bxd5
21. Bxd5 e6 22. Be3 Qd6 23. Bf3 Nb6 24. a4 Nd5 25. Bxa7 Nxb4 26. a5 Bd4 *
Position (FEN): 2krr3/Bpp2p2/3qp1p1/P6p/1n1b1P2/1Q1P1B1P/2P3P1/2KRR3 w - - 1 27
White to move.
Themes:  Middlegame  
Puzzle rating: 1903
Best move: Bxd4