Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 O-O 8.
O-O d5 9. exd5 Nb4 10. a4 Nfxd5 11. Nxd5 Nxd5 12. c4 Nxe3 13. fxe3 e5 14. Nb5
Qb6 15. Qc1 Bh6 16. c5 Qa5 17. Bf3 Qb4 18. Bd5 a6 19. Rxf7 Rxf7 20. Bxf7+ *
Position (FEN): r1b3k1/1p3B1p/p5pb/1NP1p3/Pq6/4P3/1P4PP/R1Q3K1 b - - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 661
Best move: Kxf7