r1b2b1r/pp2pQp1/1k6/5p2/PpP2qn1/R5P1/1P1P3P/2BK1BR1 b - - 1 21
FEN state: r1b2b1r/pp2pQp1/1k6/5p2/PpP2qn1/R5P1/1P1P3P/2BK1BR1 b - - 1 21 ; Best move: f4d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7, white queen at f7 and black pawn at g7. Black king at b6. Black pawn at f5. White pawn at a4, black pawn at b4, white pawn at c4, black queen at f4 and black knight at g4. White rook at a3 and white pawn at g3. White pawn at b2, white pawn at d2 and white pawn at h2. White bishop at c1, white king at d1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 1. Full move number is 21. Black to move.