Chess puzzle (Equality)
Moves: 1. e4 e6 2. Nf3 c5 3. b4 cxb4 4. d4 d5 5. e5 Nc6 6. a3 Qa5 7. Bd3 bxa3+ 8. Bd2
Bb4 9. O-O a2 10. c3 axb1=Q *
Position (FEN): r1b1k1nr/pp3ppp/2n1p3/q2pP3/1b1P4/2PB1N2/3B1PPP/Rq1Q1RK1 w kq - 0 11
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1510
Best move: Qxb1