Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Nc3 Bc5 6. Qe2 Ng4 7. Nd1 O-O
8. f3 Qh4+ 9. g3 Qh5 10. c3 Ne5 11. Bg2 Bh3 12. Bxh3 Nxf3+ 13. Kf1 Qxh3+ 14.
Qg2 Qg4 15. d4 Qxe4 *
Position (FEN): r4rk1/ppp2ppp/2p5/2b5/3Pq3/2P2nP1/PP4QP/R1BN1K1R w - - 0 16
White to move.
Themes:  Middlegame  
Puzzle rating: 2231
Best move: Kf2