Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Steinitz_Countergambit
Moves: 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. c4 cxd4 5. cxd5 Qxd5 6. Nc3 Qc5 7. Nb5 Qb4+ 8.
Qd2 e5 9. Nc7+ Kd8 10. Qxb4 *
Position (FEN): r1bk1bnr/ppN2ppp/2n5/4p3/1Q1p1B2/4P3/PP3PPP/R3KBNR b KQ - 0 10
Black to move.
Themes:  Opening  
Puzzle rating: 1235
Best move: Bxb4+