Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Bc4 d6 3. Nc3 Nf6 4. h3 Na6 5. Qf3 Nc7 6. Nge2 a6 7. Nf4 e6 8. d3
b5 9. Bb3 Bb7 10. Be3 d5 11. e5 Nd7 12. O-O-O Nxe5 13. Qh5 Bd6 14. Bxc5 g6 15.
Qe2 Bxc5 16. Qxe5 O-O 17. h4 Bd6 18. Qe3 d4 19. Qxd4 e5 20. Qb6 Rb8 21. Nfe2
Bxg2 22. Qe3 Bxh1 23. Rxh1 h5 24. Rg1 Qxh4 25. Ne4 Be7 26. N2g3 Qf4 *
Position (FEN): 1r3rk1/2n1bp2/p5p1/1p2p2p/4Nq2/1B1PQ1N1/PPP2P2/2K3R1 w - - 4 27
White to move.
Themes:  Middlegame  
Puzzle rating: 1916
Best move: Qxf4