Chess puzzle (Equality)
Moves: 1. d4 e6 2. c4 c5 3. e3 cxd4 4. exd4 Qb6 5. Nf3 Nf6 6. Be2 Nc6 7. Nc3 Bb4 8. a3
Bxc3+ 9. bxc3 O-O 10. Be3 Ne4 11. Rb1 Qa5 12. Bd2 Nxc3 13. Bxc3 *
Position (FEN): r1b2rk1/pp1p1ppp/2n1p3/q7/2PP4/P1B2N2/4BPPP/1R1QK2R b K - 0 13
Black to move.
Themes:  Opening  
Puzzle rating: 1592
Best move: Qxc3+