Chess puzzle (Advantage)
Opening: Scotch_Game, Scotch_Game_Schmidt_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 Bxc3+ 7. bxc3
bxc6 8. e5 Nd5 9. Bb2 O-O 10. c4 Nb4 11. a3 Na6 12. Bd3 d5 13. Qh5 h6 14. c5
Nxc5 15. O-O Nxd3 16. cxd3 c5 17. Qf3 d4 *
Position (FEN): r1bq1rk1/p1p2pp1/7p/2p1P3/3p4/P2P1Q2/1B3PPP/R4RK1 w - - 0 18
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 813
Best move: Qxa8