r1bqk2r/p2p2b1/n4ppp/1Np1p3/3PP1P1/BPP2N2/P2K1P2/2RQ1B1R b - - 0 15
FEN state: r1bqk2r/p2p2b1/n4ppp/1Np1p3/3PP1P1/BPP2N2/P2K1P2/2RQ1B1R b - - 0 15 ; Best move: d7d5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at d7 and black bishop at g7. Black knight at a6, black pawn at f6, black pawn at g6 and black pawn at h6. White knight at b5, black pawn at c5 and black pawn at e5. White pawn at d4, white pawn at e4 and white pawn at g4. White bishop at a3, white pawn at b3, white pawn at c3 and white knight at f3. White pawn at a2, white king at d2 and white pawn at f2. White rook at c1, white queen at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 15. Black to move.