rQ3br1/3kp2p/bp6/pPp2p2/q1P5/P3PP1P/1B1P1P2/RN2KB1R b Q - 0 20
FEN state: rQ3br1/3kp2p/bp6/pPp2p2/q1P5/P3PP1P/1B1P1P2/RN2KB1R b Q - 0 20 ; Best move: a8b8
The current state of the chess board is: Black rook at a8, white queen at b8, black bishop at f8 and black rook at g8. Black king at d7, black pawn at e7 and black pawn at h7. Black bishop at a6 and black pawn at b6. Black pawn at a5, white pawn at b5, black pawn at c5 and black pawn at f5. Black queen at a4 and white pawn at c4. White pawn at a3, white pawn at e3, white pawn at f3 and white pawn at h3. White bishop at b2, white pawn at d2 and white pawn at f2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 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.