r2qkbn1/p1p1p1p1/8/1pP5/1P1p1P1P/3KPbn1/P6B/RN2Q1NR b q - 0 24
FEN state: r2qkbn1/p1p1p1p1/8/1pP5/1P1p1P1P/3KPbn1/P6B/RN2Q1NR b q - 0 24 ; Best move: f3e4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black pawn at e7 and black pawn at g7. Black pawn at b5 and white pawn at c5. White pawn at b4, black pawn at d4, white pawn at f4 and white pawn at h4. White king at d3, white pawn at e3, black bishop at f3 and black knight at g3. White pawn at a2 and white bishop at h2. White rook at a1, white knight at b1, white queen at e1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 24. Black to move.