Chess puzzle (Checkmate)
Opening: Nimzo-Indian_Defense, Nimzo-Indian_Defense_Classical_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. c5 Ne4 6. g3 e5 7. e3 exd4 8. exd4
Bxc3+ 9. bxc3 O-O 10. c4 Re8 11. Ne2 Bf5 12. Qb2 dxc4 13. Qxb7 Nc3 14. Qxa8 Be4
15. Qxa7 Bxh1 16. Be3 Nc6 17. Qa4 Nxd4 18. Qxc4 *
Position (FEN): 3qr1k1/2p2ppp/8/2P5/2Qn4/2n1B1P1/P3NP1P/R3KB1b b Q - 0 18
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 824
Best move: Nc2#