Chess puzzle (Advantage)
Opening: Vienna_Game, Vienna_Game_Other_variations
Moves: 1. e4 e5 2. Nc3 b6 3. Nf3 Nc6 4. Bc4 Nd4 5. Nxe5 Qg5 6. Bxf7+ Kd8 7. Nc4 *
Position (FEN): r1bk1bnr/p1pp1Bpp/1p6/6q1/2NnP3/2N5/PPPP1PPP/R1BQK2R b KQ - 2 7
Black to move.
Themes:  Opening  
Puzzle rating: 1054
Best move: Qxg2