Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Other_variations
Moves: 1. d4 c6 2. Bf4 d5 3. e4 dxe4 4. Bc4 Nf6 5. Nc3 Bf5 6. h3 e6 7. g4 Bg6 8. g5
Nd5 9. Nxd5 exd5 10. Be2 Bd6 11. Be3 Nd7 12. h4 Qb6 13. h5 Bf5 14. Bc1 O-O-O
15. a4 Rhe8 16. a5 Bb4+ *
Position (FEN): 2krr3/pp1n1ppp/1qp5/P2p1bPP/1b1Pp3/8/1PP1BP2/R1BQK1NR w KQ - 1 17
White to move.
Themes: Defensive Move Middlegame  
Puzzle rating: 1225
Best move: c3