rn1Nk2r/6b1/b1p5/1p2qppP/Pp2Q3/8/2PPKPP1/RN3B1R b q - 0 21
FEN state: rn1Nk2r/6b1/b1p5/1p2qppP/Pp2Q3/8/2PPKPP1/RN3B1R b q - 0 21 ; Best move: f5e4
The current state of the chess board is: Black rook at a8, black knight at b8, white knight at d8, black king at e8 and black rook at h8. Black bishop at g7. Black bishop at a6 and black pawn at c6. Black pawn at b5, black queen at e5, black pawn at f5, black pawn at g5 and white pawn at h5. White pawn at a4, black pawn at b4 and white queen at e4. White pawn at c2, white pawn at d2, white king at e2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at f1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 21. Black to move.