1nk2b2/rppq3p/p2ppp2/1P1b4/P1P1n3/3PP3/1B2NP1P/RN3K2 b - - 0 21
FEN state: 1nk2b2/rppq3p/p2ppp2/1P1b4/P1P1n3/3PP3/1B2NP1P/RN3K2 b - - 0 21 ; Best move: d5c4
The current state of the chess board is: Black knight at b8, black king at c8 and black bishop at f8. Black rook at a7, black pawn at b7, black pawn at c7, black queen at d7 and black pawn at h7. Black pawn at a6, black pawn at d6, black pawn at e6 and black pawn at f6. White pawn at b5 and black bishop at d5. White pawn at a4, white pawn at c4 and black knight at e4. White pawn at d3 and white pawn at e3. White bishop at b2, white knight at e2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1 and white king at f1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.