r1Q1k1nr/P3p3/1p2bpp1/1N3P1p/P2p4/Rn1Pb2q/2PBK1PP/4NB1R b kq - 1 23
FEN state: r1Q1k1nr/P3p3/1p2bpp1/1N3P1p/P2p4/Rn1Pb2q/2PBK1PP/4NB1R b kq - 1 23 ; Best move: a8c8
The current state of the chess board is: Black rook at a8, white queen at c8, black king at e8, black knight at g8 and black rook at h8. White pawn at a7 and black pawn at e7. Black pawn at b6, black bishop at e6, black pawn at f6 and black pawn at g6. White knight at b5, white pawn at f5 and black pawn at h5. White pawn at a4 and black pawn at d4. White rook at a3, black knight at b3, white pawn at d3, black bishop at e3 and black queen at h3. White pawn at c2, white bishop at d2, white king at e2, white pawn at g2 and white pawn at h2. White knight at e1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 23. Black to move.