Chess puzzle (Advantage)
Opening: Bird_Opening, Bird_Opening_Other_variations
Moves: 1. f4 Nf6 2. e3 d5 3. Nf3 Bf5 4. b3 e6 5. Bb2 Nbd7 6. c4 c6 7. d4 Ng4 8. Qd2
Bd6 9. Bd3 Ngf6 10. O-O Ne4 11. Qd1 O-O 12. Nc3 Ndf6 13. Bxe4 dxe4 14. Ne5 Ng4
*
Position (FEN): r2q1rk1/pp3ppp/2pbp3/4Nb2/2PPpPn1/1PN1P3/PB4PP/R2Q1RK1 w - - 2 15
White to move.
Themes:  Middlegame  
Puzzle rating: 1170
Best move: Nxg4