Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Other_variations
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Qe7 4. d4 d6 5. Nd3 Qxe4+ 6. Qe2 Qxe2+ 7. Bxe2 Nc6
8. Be3 Ng4 9. Nc3 Nxe3 10. fxe3 Bf5 11. Nb5 O-O-O 12. O-O g6 13. e4 Nxd4 *
Position (FEN): 2kr1b1r/ppp2p1p/3p2p1/1N3b2/3nP3/3N4/PPP1B1PP/R4RK1 w - - 0 14
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1453
Best move: Nxd4