Chess puzzle (Advantage)
Opening: Old_Indian_Defense, Old_Indian_Defense_Ukrainian_Variation
Moves: 1. d4 d6 2. c4 Nf6 3. Nc3 e5 4. dxe5 Ng4 5. exd6 Bxd6 6. h3 *
Position (FEN): rnbqk2r/ppp2ppp/3b4/8/2P3n1/2N4P/PP2PPP1/R1BQKBNR b KQkq - 0 6
Black to move.
Themes: Attacking f2 or f7 Opening  
Puzzle rating: 1557
Best move: Nxf2