Chess puzzle (Crushing)
Opening: Kings_Pawn_Game, Kings_Pawn_Game_Leonardis_Variation
Moves: 1. e4 e5 2. d3 d6 3. Nh3 Bxh3 4. gxh3 Nc6 5. Na3 Nd4 6. Qd2 *
Position (FEN): r2qkbnr/ppp2ppp/3p4/4p3/3nP3/N2P3P/PPPQ1P1P/R1B1KB1R b KQkq - 4 6
Black to move.
Themes:  Opening  
Puzzle rating: 983
Best move: Nf3+