Chess puzzle (Checkmate)
Opening: Owen_Defense, Owen_Defense_Other_variations
Moves: 1. e4 b6 2. Bc4 e6 3. d3 Bb7 4. Nc3 d5 5. exd5 exd5 6. Bb3 d4 7. Qe2+ Ne7 8.
Ne4 Nbc6 9. Nf3 Na5 10. Bd2 Nxb3 11. axb3 g6 *
Position (FEN): r2qkb1r/pbp1np1p/1p4p1/8/3pN3/1P1P1N2/1PPBQPPP/R3K2R w KQkq - 0 12
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1333
Best move: Nf6#