3rkb1r/p6p/b4np1/1pp1pp1R/2BP2n1/BPP5/P3PP2/RNQ1KN2 b Qk - 2 21
FEN state: 3rkb1r/p6p/b4np1/1pp1pp1R/2BP2n1/BPP5/P3PP2/RNQ1KN2 b Qk - 2 21 ; Best move: f6h5
The current state of the chess board is: Black rook at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7 and black pawn at h7. Black bishop at a6, black knight at f6 and black pawn at g6. Black pawn at b5, black pawn at c5, black pawn at e5, black pawn at f5 and white rook at h5. White bishop at c4, white pawn at d4 and black knight at g4. White bishop at a3, white pawn at b3 and white pawn at c3. White pawn at a2, white pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white queen at c1, white king at e1 and white knight at f1. White queenside and black kingside castles are available. Half move number is 2. Full move number is 21. Black to move.