r1b1k3/3p1p2/np6/p1p2NR1/Pb2P1P1/QPPnr3/3P4/RNBK1B2 b q - 3 24
FEN state: r1b1k3/3p1p2/np6/p1p2NR1/Pb2P1P1/QPPnr3/3P4/RNBK1B2 b q - 3 24 ; Best move: e3e1
The current state of the chess board is: Black rook at a8, black bishop at c8 and black king at e8. Black pawn at d7 and black pawn at f7. Black knight at a6 and black pawn at b6. Black pawn at a5, black pawn at c5, white knight at f5 and white rook at g5. White pawn at a4, black bishop at b4, white pawn at e4 and white pawn at g4. White queen at a3, white pawn at b3, white pawn at c3, black knight at d3 and black rook at e3. White pawn at d2. White rook at a1, white knight at b1, white bishop at c1, white king at d1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 3. Full move number is 24. Black to move.