2r2k2/rbqpp3/1pn1P3/1np4p/pPPP3p/P5P1/3K2P1/RNB3NR b - - 0 25
FEN state: 2r2k2/rbqpp3/1pn1P3/1np4p/pPPP3p/P5P1/3K2P1/RNB3NR b - - 0 25 ; Best move: b5d4
The current state of the chess board is: Black rook at c8 and black king at f8. Black rook at a7, black bishop at b7, black queen at c7, black pawn at d7 and black pawn at e7. Black pawn at b6, black knight at c6 and white pawn at e6. Black knight at b5, black pawn at c5 and black pawn at h5. Black pawn at a4, white pawn at b4, white pawn at c4, white pawn at d4 and black pawn at h4. White pawn at a3 and white pawn at g3. White king at d2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 25. Black to move.