Chess puzzle (Advantage)
Opening: Four_Knights_Game, Four_Knights_Game_Italian_Variation
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bc5 4. Bc4 Nc6 5. O-O Nxe4 6. Nxe4 Bb6 7. Nfg5 d5 8.
Qh5 g6 9. Qh6 dxe4 10. Nxf7 Qd4 11. Nxh8 Qxc4 12. Qg7 Be6 13. d3 exd3 14. cxd3
Qd5 15. Bh6 *
Position (FEN): r3k2N/ppp3Qp/1bn1b1pB/3qp3/8/3P4/PP3PPP/R4RK1 b q - 2 15
Black to move.
Themes: Defensive Move Middlegame  Castling
Puzzle rating: 1241
Best move: O-O-O