Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Be7 5. d4 Nxe4 6. Nxe4 d5 7. Bxd5 Qxd5 8.
Nc3 Bb4 9. O-O Bxc3 10. bxc3 exd4 11. cxd4 O-O 12. c3 Na5 13. Re1 Bg4 14. Re5
Bxf3 15. gxf3 Qc6 16. Rxa5 Qxc3 17. Bd2 Qxd4 18. Qc2 *
Position (FEN): r4rk1/ppp2ppp/8/R7/3q4/5P2/P1QB1P1P/R5K1 b - - 1 18
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 856
Best move: Qxa1+