Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_McDonnell_Attack
Moves: 1. e4 c5 2. f4 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Bc4 Nxc3 6. bxc3 Bf5 7. Nf3 e6 8.
O-O Bd6 9. d4 O-O 10. d5 Nd7 11. dxe6 Nb6 12. exf7+ Kh8 13. Bb3 *
Position (FEN): r2q1r1k/pp3Ppp/1n1b4/2p2b2/5P2/1BP2N2/P1P3PP/R1BQ1RK1 b - - 2 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1064
Best move: c4