2b2kr1/r1p1np2/1p5q/pBb1p2p/1P1NP2P/3P3R/PP1B1PP1/1R1QK1N1 b - - 5 21
FEN state: 2b2kr1/r1p1np2/1p5q/pBb1p2p/1P1NP2P/3P3R/PP1B1PP1/1R1QK1N1 b - - 5 21 ; Best move: c5b4
The current state of the chess board is: Black bishop at c8, black king at f8 and black rook at g8. Black rook at a7, black pawn at c7, black knight at e7 and black pawn at f7. Black pawn at b6 and black queen at h6. Black pawn at a5, white bishop at b5, black bishop at c5, black pawn at e5 and black pawn at h5. White pawn at b4, white knight at d4, white pawn at e4 and white pawn at h4. White pawn at d3 and white rook at h3. White pawn at a2, white pawn at b2, white bishop at d2, white pawn at f2 and white pawn at g2. White rook at b1, white queen at d1, white king at e1 and white knight at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 21. Black to move.