Chess puzzle (Equality)
Moves: 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bf4 e6 5. c5 Be7 6. a3 Nbd7 7. e3 b6 8. b4 a5
9. Qa4 Bb7 10. Nf3 axb4 11. Qxb4 bxc5 *
Position (FEN): r2qk2r/1b1nbppp/2p1pn2/2pp4/1Q1P1B2/P1N1PN2/5PPP/R3KB1R w KQkq - 0 12
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1429
Best move: Qxb7