Chess puzzle (Checkmate)
Opening: Reti_Opening, Reti_Opening_Advance_Variation
Moves: 1. Nf3 d5 2. c4 d4 3. g3 Nc6 4. Bg2 Nf6 5. O-O e5 6. e3 d3 7. b4 Nxb4 8. Nxe5
Bd6 9. Bb2 Nc2 10. a4 Nxa1 11. Bxa1 Bxe5 12. Bxe5 O-O 13. Qb3 Re8 14. Ba1 c6
15. Qb2 Re7 16. Nc3 Bf5 17. Ne4 Bxe4 18. Bxe4 Nxe4 *
Position (FEN): r2q2k1/pp2rppp/2p5/8/P1P1n3/3pP1P1/1Q1P1P1P/B4RK1 w - - 0 19
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 947
Best move: Qxg7#