Chess puzzle (Crushing)
Opening: Russian_Game, Russian_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. f4 Nxe4 5. Qe2 d5 6. d3 Qh4+ 7. Kd1 *
Position (FEN): rnb1kb1r/ppp2ppp/8/3pN3/4nP1q/3P4/PPP1Q1PP/RNBK1B1R b kq - 2 7
Black to move.
Themes:  Opening  
Puzzle rating: 1501
Best move: Nf2+