Chess puzzle (Advantage)
Opening: Old_Indian_Defense, Old_Indian_Defense_Other_variations
Moves: 1. d4 d6 2. c4 e6 3. e4 h6 4. Bd3 g5 5. Nc3 a6 6. f4 Qf6 7. d5 Qg7 8. Qg4 Be7
9. Be3 Bf6 10. fxg5 *
Position (FEN): rnb1k1nr/1pp2pq1/p2ppb1p/3P2P1/2P1P1Q1/2NBB3/PP4PP/R3K1NR b KQkq - 0 10
Black to move.
Themes:  Opening  
Puzzle rating: 1696
Best move: Bxc3+