Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Ranken_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc6 dxc6 6. O-O Bd6 7. d3 O-O 8.
Bg5 h6 9. Be3 c5 10. Nd5 Nxd5 11. exd5 b6 12. Nd2 Bb7 13. c4 b5 14. b3 c6 15.
Ne4 cxd5 16. Nxc5 Bxc5 17. Bxc5 Re8 18. cxd5 *
Position (FEN): r2qr1k1/1b3pp1/p6p/1pBPp3/8/1P1P4/P4PPP/R2Q1RK1 b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1022
Best move: Qxd5