Chess puzzle (Advantage)
Moves: 1. d4 g6 2. c4 Nf6 3. Nc3 e5 4. dxe5 Ng4 5. e4 Nxe5 6. Nf3 Nbc6 7. Nxe5 Nxe5 8.
f4 Nc6 9. Be3 Qe7 10. Qd2 Qh4+ 11. g3 Qg4 12. Be2 Qh3 13. O-O-O Bb4 14. a3 Bxc3
15. Qxc3 O-O 16. f5 a5 17. Bf1 Qg4 18. fxg6 fxg6 19. Bh6 Rf7 20. h3 Qe6 21. c5
Ne5 22. Be2 b5 23. Bxb5 c6 24. Ba4 Ba6 25. Bb3 Bc4 26. Bxc4 Nxc4 27. Rd6 *
Position (FEN): r5k1/3p1r1p/2pRq1pB/p1P5/2n1P3/P1Q3PP/1P6/2K4R b - - 1 27
Black to move.
Themes:  Middlegame  
Puzzle rating: 1494
Best move: Nxd6