Chess puzzle (Advantage)
Opening: Rat_Defense, Rat_Defense_Antal_Defense
Moves: 1. e4 d6 2. d4 Nd7 3. Nf3 c6 4. Nc3 Qc7 5. Be2 e5 6. O-O Ngf6 7. Be3 Be7 8. Nh4
g6 9. f4 b5 10. a3 a5 11. g4 Nxe4 *
Position (FEN): r1b1k2r/2qnbp1p/2pp2p1/pp2p3/3PnPPN/P1N1B3/1PP1B2P/R2Q1RK1 w kq - 0 12
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 934
Best move: Nxe4