r2k3r/2p1ppb1/5n2/pp5p/1P1NpPbN/P5P1/RB4PR/4KB2 b - - 1 24
FEN state: r2k3r/2p1ppb1/5n2/pp5p/1P1NpPbN/P5P1/RB4PR/4KB2 b - - 1 24 ; Best move: a5b4
The current state of the chess board is: Black rook at a8, black king at d8 and black rook at h8. Black pawn at c7, black pawn at e7, black pawn at f7 and black bishop at g7. Black knight at f6. Black pawn at a5, black pawn at b5 and black pawn at h5. White pawn at b4, white knight at d4, black pawn at e4, white pawn at f4, black bishop at g4 and white knight at h4. White pawn at a3 and white pawn at g3. White rook at a2, white bishop at b2, white pawn at g2 and white rook at h2. White king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 1. Full move number is 24. Black to move.