Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 Bc5 6. Be2 Be6 7. h3 Qd7 8.
Nd2 O-O-O 9. Nf3 h5 10. O-O Rdg8 11. Ng5 Nh7 12. Nxe6 fxe6 13. Bxh5 g5 14. c3
Nf6 15. Bf3 *
Position (FEN): 2k3rr/pppq4/2p1pn2/2b3p1/4P3/2PP1B1P/PP3PP1/R1BQ1RK1 b - - 2 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1254
Best move: g4