Chess puzzle (Crushing)
Moves: 1. e4 e5 2. Bc4 Nc6 3. Nf3 Nf6 4. d4 exd4 5. e5 d5 6. exd6 Bxd6 7. O-O O-O 8.
Bg5 Bg4 9. h3 Bh5 10. Nbd2 Ne5 11. Bb3 c5 12. Bxf6 Qxf6 13. Ne4 Nxf3+ 14. Qxf3
Bxf3 15. Nxf6+ gxf6 16. gxf3 b5 17. Bd5 Rae8 18. a4 Re5 19. Be4 Kh8 20. axb5 *
Position (FEN): 5r1k/p4p1p/3b1p2/1Pp1r3/3pB3/5P1P/1PP2P2/R4RK1 b - - 0 20
Black to move.
Themes:  Endgame  
Puzzle rating: 1607
Best move: Rg8+