Chess puzzle (Equality)
Moves: 1. c4 Nf6 2. Nc3 e6 3. e4 c6 4. e5 Ng8 5. f4 d5 6. d4 Bb4 7. Nf3 Nh6 8. Bd3 O-O
9. Qc2 Bxc3+ 10. bxc3 g6 11. Ng5 Nf5 12. g4 dxc4 13. gxf5 *
Position (FEN): rnbq1rk1/pp3p1p/2p1p1p1/4PPN1/2pP1P2/2PB4/P1Q4P/R1B1K2R b KQ - 0 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 2220
Best move: cxd3