Chess puzzle (Advantage)
Moves: 1. b4 e6 2. Bb2 Qg5 3. Nf3 Qh6 4. c3 Nf6 5. g3 Qh5 6. Bg2 d5 7. d4 a6 8. Nbd2
Bd6 9. O-O O-O 10. e3 h6 11. Ne5 Qxd1 12. Raxd1 Nc6 13. f4 Ne7 14. e4 c6 15.
Nxc6 bxc6 16. e5 Nd7 17. exd6 Nf5 18. Rfe1 Nxd6 19. Bh3 Kh7 20. Bxe6 *
Position (FEN): r1b2r2/3n1ppk/p1pnB2p/3p4/1P1P1P2/2P3P1/PB1N3P/3RR1K1 b - - 0 20
Black to move.
Themes:  Middlegame  
Puzzle rating: 1483
Best move: fxe6