Q2qkbn1/3pp1p1/bpn4r/pBp2p1p/1P6/N3P1NP/P1PP1PP1/R1B1K1R1 b Q - 0 10
FEN state: Q2qkbn1/3pp1p1/bpn4r/pBp2p1p/1P6/N3P1NP/P1PP1PP1/R1B1K1R1 b Q - 0 10 ; Best move: d8a8
The current state of the chess board is: White queen at a8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at d7, black pawn at e7 and black pawn at g7. Black bishop at a6, black pawn at b6, black knight at c6 and black rook at h6. Black pawn at a5, white bishop at b5, black pawn at c5, black pawn at f5 and black pawn at h5. White pawn at b4. White knight at a3, white pawn at e3, white knight at g3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 10. Black to move.