Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Bowdler_Attack
Moves: 1. e4 c5 2. Bc4 e6 3. Qf3 Nf6 4. d3 d5 5. Bb5+ Nc6 6. Bg5 a6 7. Bxc6+ bxc6 8.
e5 h6 9. exf6 hxg5 10. fxg7 Bxg7 11. Nc3 d4 12. Na4 *
Position (FEN): r1bqk2r/5pb1/p1p1p3/2p3p1/N2p4/3P1Q2/PPP2PPP/R3K1NR b KQkq - 1 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 869
Best move: Qa5+