Chess puzzle (Advantage)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. d3 d5 5. exd5 exd5 6. Bb5 Bd7 7. O-O a6 8.
Re1+ Be7 9. Bxc6 Bxc6 10. Bg5 h6 11. Bxe7 Nxe7 12. Qe2 O-O *
Position (FEN): r2q1rk1/1p2npp1/p1b4p/2pp4/8/3P1N2/PPP1QPPP/RN2R1K1 w - - 2 13
White to move.
Themes:  Middlegame  
Puzzle rating: 745
Best move: Qxe7