Chess puzzle (Checkmate)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Accelerated_Averbakh_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 O-O 6. h3 Nc6 7. Nge2 Qe8 8. g4
e5 9. d5 Nd4 10. Bxf6 *
Position (FEN): r1b1qrk1/ppp2pbp/3p1Bp1/3Pp3/2PnP1P1/2N4P/PP2NP2/R2QKB1R b KQ - 0 10
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1513
Best move: Nf3#