Chess puzzle (Equality)
Moves: 1. c4 e5 2. Nc3 Nf6 3. e4 Bb4 4. Nge2 d6 5. d3 Nc6 6. g3 Be6 7. Bg2 O-O 8. O-O
Bc5 9. Kh1 Ng4 10. Qe1 Nd4 11. f3 Nc2 12. Qd2 Nxa1 *
Position (FEN): r2q1rk1/ppp2ppp/3pb3/2b1p3/2P1P1n1/2NP1PP1/PP1QN1BP/n1B2R1K w - - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1812
Best move: fxg4