Chess puzzle (Checkmate)
Moves: 1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. f4 f6 6. fxe5 fxe5 7. Nf3 a6 8.
Bxc6+ bxc6 9. O-O Qe7 10. Qe1 Nf6 11. Qe2 Bg4 12. d3 O-O 13. Nbd2 e4 14. dxe4
dxe4 15. Bxf6 Rxf6 16. Nxe4 Bxf3 17. gxf3 Rg6+ 18. Kf2 Qh4+ 19. Ng3 Bxg3+ 20.
hxg3 *
Position (FEN): r5k1/2p3pp/p1p3r1/8/7q/1P2PPP1/P1P1QK2/R4R2 b - - 0 20
Black to move.
Themes:  Endgame Mate in 1 
Puzzle rating: 1480
Best move: Qxg3#