2r1kr2/4bpp1/nR3n2/P1p1pb1p/NQ1p3P/P1qP4/2P1PPPN/3K1BR1 b - - 1 23
FEN state: 2r1kr2/4bpp1/nR3n2/P1p1pb1p/NQ1p3P/P1qP4/2P1PPPN/3K1BR1 b - - 1 23 ; Best move: c5b4
The current state of the chess board is: Black rook at c8, black king at e8 and black rook at f8. Black bishop at e7, black pawn at f7 and black pawn at g7. Black knight at a6, white rook at b6 and black knight at f6. White pawn at a5, black pawn at c5, black pawn at e5, black bishop at f5 and black pawn at h5. White knight at a4, white queen at b4, black pawn at d4 and white pawn at h4. White pawn at a3, black queen at c3 and white pawn at d3. White pawn at c2, white pawn at e2, white pawn at f2, white pawn at g2 and white knight at h2. White king at d1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 23. Black to move.