Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Qxd2 O-O 7. Nc3 d6 8.
e4 e5 9. d5 Nbd7 10. Be2 Nc5 11. Qc2 a5 12. O-O-O Bd7 13. h4 Nfxe4 14. Nxe4 Ba4
15. b3 Bxb3 16. Qb1 Bxd1 17. Kxd1 Na4 18. Nfg5 f5 19. Qc2 Nb6 20. Ne6 fxe4 21.
Qxe4 Rf4 *
Position (FEN): r5k1/1pp1q1pp/1n1pN3/p2Pp3/2P1Qr1P/P7/4BPP1/3K3R w - - 1 22
White to move.
Themes:  Middlegame  
Puzzle rating: 1330
Best move: Nxf4