rn2kbn1/3qp3/4b3/p2pNpp1/2P1PP2/PP1PQ1PP/8/RNB1KBR1 b Q - 1 25
FEN state: rn2kbn1/3qp3/4b3/p2pNpp1/2P1PP2/PP1PQ1PP/8/RNB1KBR1 b Q - 1 25 ; Best move: d5d4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black knight at g8. Black queen at d7 and black pawn at e7. Black bishop at e6. Black pawn at a5, black pawn at d5, white knight at e5, black pawn at f5 and black pawn at g5. White pawn at c4, white pawn at e4 and white pawn at f4. White pawn at a3, white pawn at b3, white pawn at d3, white queen at e3, white pawn at g3 and white pawn at h3. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 25. Black to move.