Chess puzzle (Equality)
Moves: 1. d4 Nf6 2. Nf3 d5 3. Nc3 g6 4. Bf4 Bg7 5. e3 O-O 6. Nb5 Na6 7. Nc3 Nb4 8. a3
Nc6 9. Nb5 a6 10. Nxc7 Ra7 11. Ne5 Qxc7 12. Nxg6 Qa5+ 13. b4 Qa4 *
Position (FEN): 2b2rk1/rp2ppbp/p1n2nN1/3p4/qP1P1B2/P3P3/2P2PPP/R2QKB1R w KQ - 1 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1980
Best move: Nxf8