r4knr/p2p4/npb3p1/1PP4p/7P/4P1R1/2PN2P1/R1B1KBN1 b - - 4 24
FEN state: r4knr/p2p4/npb3p1/1PP4p/7P/4P1R1/2PN2P1/R1B1KBN1 b - - 4 24 ; Best move: a6b4
The current state of the chess board is: Black rook at a8, black king at f8, black knight at g8 and black rook at h8. Black pawn at a7 and black pawn at d7. Black knight at a6, black pawn at b6, black bishop at c6 and black pawn at g6. White pawn at b5, white pawn at c5 and black pawn at h5. White pawn at h4. White pawn at e3 and white rook at g3. White pawn at c2, white knight at d2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 24. Black to move.