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. h3 O-O 7. a3 Re8 8.
d3 Bf5 9. Be2 Bg6 10. O-O Qd6 11. Na4 Bd4 12. c3 Be5 13. d4 Bh2+ 14. Kh1 Nxe4
15. Nc5 Rad8 *
Position (FEN): 3rr1k1/ppp2ppp/2pq2b1/2N5/3Pn3/P1P4P/1P2BPPb/R1BQ1R1K w - - 2 16
White to move.
Themes:  Middlegame  
Puzzle rating: 1469
Best move: Nxb7