Chess puzzle (Equality)
Moves: 1. c4 c5 2. Nc3 f6 3. Nf3 g6 4. d4 Bg7 5. dxc5 e5 6. Nb5 Ne7 7. Nd6+ Kf8 8. Be3
Nbc6 9. a3 h5 10. h4 a5 11. Nd2 Nf5 12. Nxf5 gxf5 13. Qc2 *
Position (FEN): r1bq1k1r/1p1p2b1/2n2p2/p1P1pp1p/2P4P/P3B3/1PQNPPP1/R3KB1R b KQ - 1 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1817
Best move: f4