Chess puzzle (Advantage)
Opening: English_Opening, English_Opening_Carls-Bremen_System
Moves: 1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Nd4 5. Nf3 e4 *
Position (FEN): r1bqkb1r/pppp1ppp/5n2/8/2Pnp3/2N2NP1/PP1PPPBP/R1BQK2R w KQkq - 0 6
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1013
Best move: Nxd4