Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Scotch_Gambit
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d5 5. exd5 Qxd5 6. cxd4 Qe4+ 7. Be2 Bb4+
8. Nc3 Nf6 9. O-O Bxc3 10. bxc3 O-O 11. Bd3 Qg4 12. Qc2 Be6 13. Bxh7+ *
Position (FEN): r4rk1/ppp2ppB/2n1bn2/8/3P2q1/2P2N2/P1Q2PPP/R1B2RK1 b - - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 910
Best move: Nxh7