Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Three_Knights_Game
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 b6 4. d4 exd4 5. Nxd4 Bb4 6. Qd3 O-O 7. Bd2 Bxc3 8.
Bxc3 Nxe4 9. f3 Qh4+ 10. g3 Nxg3 11. hxg3 Qxh1 12. O-O-O Qh6+ 13. f4 Bb7 *
Position (FEN): rn3rk1/pbpp1ppp/1p5q/8/3N1P2/2BQ2P1/PPP5/2KR1B2 w - - 1 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1189
Best move: Nf5