Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Normal_Variation
Moves: 1. e4 e6 2. d4 g5 3. Nc3 h5 4. Bd3 g4 5. Be3 a6 6. e5 b5 7. a3 b4 8. axb4 Bxb4
9. Qe2 Bb7 10. f3 gxf3 *
Position (FEN): rn1qk1nr/1bpp1p2/p3p3/4P2p/1b1P4/2NBBp2/1PP1Q1PP/R3K1NR w KQkq - 0 11
White to move.
Themes:  Opening  
Puzzle rating: 1689
Best move: Nxf3