Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Kan_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Nf6 6. Be3 Be7 7. Be2 O-O 8. e5
Ne8 9. f4 Nc7 10. Qd3 Nd5 11. Nxd5 exd5 12. O-O-O b5 13. f5 Bg5 14. g4 Bxe3+
15. Qxe3 Bb7 16. g5 Nc6 17. g6 fxg6 18. fxg6 h6 19. Nf5 *
Position (FEN): r2q1rk1/1b1p2p1/p1n3Pp/1p1pPN2/8/4Q3/PPP1B2P/2KR3R b - - 1 19
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1231
Best move: Rxf5