Chess puzzle (Checkmate)
Opening: Queens_Indian_Defense, Queens_Indian_Defense_Kasparov-Petrosian_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. a3 b6 4. Nc3 Bb7 5. Nf3 d5 6. cxd5 Nxd5 7. e3 Nf6 8. Be2
Bd6 9. O-O Nbd7 10. Qc2 O-O 11. e4 Nh5 12. e5 Be7 13. g4 f6 14. gxh5 fxe5 15.
Nxe5 Nxe5 16. dxe5 Bg5 17. Bd3 Bxc1 18. Raxc1 *
Position (FEN): r2q1rk1/pbp3pp/1p2p3/4P2P/8/P1NB4/1PQ2P1P/2R2RK1 b - - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 815
Best move: Qg5#