4k2r/5ppQ/r2p1bnB/pp4Np/bp1p4/1RPN2PP/4PP1R/3K1B2 b k - 3 25
FEN state: 4k2r/5ppQ/r2p1bnB/pp4Np/bp1p4/1RPN2PP/4PP1R/3K1B2 b k - 3 25 ; Best move: a4b3
The current state of the chess board is: Black king at e8 and black rook at h8. Black pawn at f7, black pawn at g7 and white queen at h7. Black rook at a6, black pawn at d6, black bishop at f6, black knight at g6 and white bishop at h6. Black pawn at a5, black pawn at b5, white knight at g5 and black pawn at h5. Black bishop at a4, black pawn at b4 and black pawn at d4. White rook at b3, white pawn at c3, white knight at d3, white pawn at g3 and white pawn at h3. White pawn at e2, white pawn at f2 and white rook at h2. White king at d1 and white bishop at f1. Black kingside is the only castle move available. Half move number is 3. Full move number is 25. Black to move.