Chess puzzle (Advantage)
Opening: Bird_Opening, Bird_Opening_Other_variations
Moves: 1. f4 Nf6 2. Nf3 b6 3. e3 Bb7 4. Be2 e6 5. c3 g6 6. d4 Bg7 7. O-O Nc6 8. Qe1
O-O 9. Qh4 Ne7 10. Nbd2 Ne4 *
Position (FEN): r2q1rk1/pbppnpbp/1p2p1p1/8/3PnP1Q/2P1PN2/PP1NB1PP/R1B2RK1 w - - 9 11
White to move.
Themes:  Opening  
Puzzle rating: 1513
Best move: Nxe4