Chess puzzle (Advantage)
Moves: 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nge2 Bg7 5. Ng3 O-O 6. h3 Nc6 7. Be3 e5 8. d5
Ne7 9. Qd2 c6 10. Bc4 cxd5 11. Bxd5 Nexd5 12. exd5 Bd7 13. Bg5 Re8 14. Nge4 Qe7
15. O-O Nxe4 16. Nxe4 f6 17. Bh6 f5 18. Bg5 Qf8 19. Ng3 e4 20. Bf4 Rac8 21. c3
b5 22. Rac1 a6 23. b3 Qe7 24. Bg5 Bf6 25. Bxf6 Qxf6 26. c4 Qe5 27. Rfe1 f4 28.
Nxe4 bxc4 29. bxc4 Bf5 30. f3 Qe7 31. Ng3 *
Position (FEN): 2r1r1k1/4q2p/p2p2p1/3P1b2/2P2p2/5PNP/P2Q2P1/2R1R1K1 b - - 2 31
Black to move.
Themes:  Middlegame  
Puzzle rating: 1790
Best move: Qa7+