r2k3Q/p1q1ppb1/1pP2P2/2P4p/1n3pPP/1P6/P4P1R/RN2KBN1 b Q - 0 21
FEN state: r2k3Q/p1q1ppb1/1pP2P2/2P4p/1n3pPP/1P6/P4P1R/RN2KBN1 b Q - 0 21 ; Best move: g7h8
The current state of the chess board is: Black rook at a8, black king at d8 and white queen at h8. Black pawn at a7, black queen at c7, black pawn at e7, black pawn at f7 and black bishop at g7. Black pawn at b6, white pawn at c6 and white pawn at f6. White pawn at c5 and black pawn at h5. Black knight at b4, black pawn at f4, white pawn at g4 and white pawn at h4. White pawn at b3. White pawn at a2, white pawn at f2 and white rook at h2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 21. Black to move.