Chess puzzle (Crushing)
Opening: French_Defense, French_Defense_Tarrasch_Variation
Moves: 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 cxd4 6. Nb3 Nc6 7. Bb5 Qa5+ *
Position (FEN): r1b1kbnr/pp3ppp/2n5/qB1p4/3p4/1N3N2/PPP2PPP/R1BQK2R w KQkq - 4 8
White to move.
Themes: Pin Opening  
Puzzle rating: 1148
Best move: Nxa5