Chess puzzle (Advantage)
Moves: 1. e4 a6 2. Nf3 e6 3. Be2 h6 4. d3 b5 5. c3 Bb7 6. a3 Nf6 7. h3 g5 8. Nh2 Bg7
9. e5 Nh7 10. d4 Bxg2 11. Rg1 Bxh3 12. Bf3 c6 13. b4 Bf5 14. Nd2 d6 15. Be4
Bxe4 16. Nxe4 dxe5 17. Be3 exd4 18. cxd4 Qd5 19. Nc3 Qd7 20. Nf3 f5 21. Qb1 f4
22. Bc1 Bxd4 *
Position (FEN): rn2k2r/3q3n/p1p1p2p/1p4p1/1P1b1p2/P1N2N2/5P2/RQB1K1R1 w Qkq - 0 23
White to move.
Themes:  Middlegame  
Puzzle rating: 1996
Best move: Nxd4