Chess puzzle (Advantage)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bd3 a6 6. e5 Nfd7 7. e6 fxe6 8. Be3
Nf6 9. Qd2 Ng4 10. O-O-O Nxe3 11. fxe3 Nc6 12. a3 b5 13. Ne4 Bb7 14. Rhf1 e5
15. Neg5 Qd7 16. d5 Na7 17. Ne6 Bf6 18. e4 c6 19. Qa5 Rc8 20. Kb1 cxd5 21. exd5
Bxd5 22. Neg5 Bb7 23. Ne4 Nc6 24. Qe1 Nd8 25. Nfg5 O-O 26. Qh4 h5 27. Qg3 Qg4
28. Qe3 d5 29. Nxf6+ *
Position (FEN): 2rn1rk1/1b2p3/p4Np1/1p1pp1Np/6q1/P2BQ3/1PP3PP/1K1R1R2 b - - 0 29
Black to move.
Themes:  Middlegame  
Puzzle rating: 1475
Best move: exf6