Chess puzzle (Advantage)
Moves: 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 h6 5. Bh4 c5 6. e3 Nc6 7. cxd5 exd5 8. Nf3
Be6 9. Be2 Be7 10. O-O O-O 11. Rc1 c4 12. Nd2 a6 13. b3 b5 14. bxc4 bxc4 15. f3
g5 16. Bf2 Bd6 17. Qa4 Qc7 18. g3 Bh3 19. Rfe1 Nb4 20. Nxd5 Nbxd5 21. Nxc4 Qe7
22. e4 Nxe4 *
Position (FEN): r4rk1/4qp2/p2b3p/3n2p1/Q1NPn3/5PPb/P3BB1P/2R1R1K1 w - - 0 23
White to move.
Themes:  Middlegame  
Puzzle rating: 1500
Best move: fxe4