Chess puzzle (Advantage)
Opening: Philidor_Defense, Philidor_Defense_Other_variations
Moves: 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. Nc3 c6 5. d4 exd4 6. Nxd4 c5 7. Nf5 Bxf5 8.
exf5 Bf6 9. Qh5 Qe7+ 10. Be3 Bxc3+ 11. bxc3 Nf6 12. Qe2 Nbd7 13. O-O Ne5 14.
Bb3 O-O 15. Rad1 Rfe8 16. Rfe1 a6 17. a4 Rac8 18. f4 *
Position (FEN): 2r1r1k1/1p2qppp/p2p1n2/2p1nP2/P4P2/1BP1B3/2P1Q1PP/3RR1K1 b - - 0 18
Black to move.
Themes:  Middlegame  
Puzzle rating: 1294
Best move: Neg4