Chess puzzle (Crushing)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Bf5 3. e3 Nf6 4. Bd3 Be4 5. Bxe4 dxe4 6. c4 c6 7. Qb3 Qa5+ 8.
Nc3 e6 *
Position (FEN): rn2kb1r/pp3ppp/2p1pn2/q7/2PPpB2/1QN1P3/PP3PPP/R3K1NR w KQkq - 0 9
White to move.
Themes:  Middlegame  
Puzzle rating: 1014
Best move: Qxb7