Chess puzzle (Equality)
Moves: 1. e4 c5 2. c3 Nc6 3. Nf3 d6 4. d4 cxd4 5. cxd4 e5 6. d5 Nd4 7. Nxd4 exd4 8.
Qxd4 Nf6 9. Bg5 Be7 10. e5 dxe5 11. Qxe5 Qa5+ 12. Nd2 Qxd5 13. Qxd5 *
Position (FEN): r1b1k2r/pp2bppp/5n2/3Q2B1/8/8/PP1N1PPP/R3KB1R b KQkq - 0 13
Black to move.
Themes:  Opening  
Puzzle rating: 1351
Best move: Nxd5