2rqkb2/p1pn3r/1p4p1/BP3p1p/P2PpPPP/1P5R/n3P1Q1/RN2KBN1 b Q - 5 21
FEN state: 2rqkb2/p1pn3r/1p4p1/BP3p1p/P2PpPPP/1P5R/n3P1Q1/RN2KBN1 b Q - 5 21 ; Best move: h5g4
The current state of the chess board is: Black rook at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at c7, black knight at d7 and black rook at h7. Black pawn at b6 and black pawn at g6. White bishop at a5, white pawn at b5, black pawn at f5 and black pawn at h5. White pawn at a4, white pawn at d4, black pawn at e4, white pawn at f4, white pawn at g4 and white pawn at h4. White pawn at b3 and white rook at h3. Black knight at a2, white pawn at e2 and white queen at g2. 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 5. Full move number is 21. Black to move.