Chess puzzle (Equality)
Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O Bc5 6. c3 d6 7. h3 Bd7 8. d4
exd4 9. cxd4 Bb6 10. Nc3 g5 11. e5 dxe5 12. dxe5 Nh7 13. Nd5 g4 14. Nh2 gxh3
15. Re1 Bxf2+ 16. Kxf2 Qh4+ 17. Kg1 *
Position (FEN): r3k2r/pppb1p1n/2n4p/3NP3/2B4q/7p/PP4PN/R1BQR1K1 b kq - 2 17
Black to move.
Themes: Defensive Move Middlegame  Castling
Puzzle rating: 2395
Best move: O-O-O