2q1kb2/r3p3/np5n/1Pp1PppP/p2p3P/P2P4/2PB1Pb1/RN2K2R b Q - 0 20
FEN state: 2q1kb2/r3p3/np5n/1Pp1PppP/p2p3P/P2P4/2PB1Pb1/RN2K2R b Q - 0 20 ; Best move: c8e6
The current state of the chess board is: Black queen at c8, black king at e8 and black bishop at f8. Black rook at a7 and black pawn at e7. Black knight at a6, black pawn at b6 and black knight at h6. White pawn at b5, black pawn at c5, white pawn at e5, black pawn at f5, black pawn at g5 and white pawn at h5. Black pawn at a4, black pawn at d4 and white pawn at h4. White pawn at a3 and white pawn at d3. White pawn at c2, white bishop at d2, white pawn at f2 and black bishop at g2. White rook at a1, white knight at b1, white king at e1 and white rook at h1. White queenside is the only castle move available. Half move number is 0. Full move number is 20. Black to move.