Chess puzzle (Checkmate)
Opening: English_Opening, English_Opening_Kings_English_Variation
Moves: 1. c4 e5 2. Nc3 Bc5 3. g3 Nf6 4. Bg2 Ng4 5. e3 Qf6 6. Nge2 *
Position (FEN): rnb1k2r/pppp1ppp/5q2/2b1p3/2P3n1/2N1P1P1/PP1PNPBP/R1BQK2R b KQkq - 2 6
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 579
Best move: Qxf2#