3qkbn1/rb1p4/4p1pr/R1p1PP1p/2PP3B/1P3P1P/6K1/nN3BNR b - - 0 21
FEN state: 3qkbn1/rb1p4/4p1pr/R1p1PP1p/2PP3B/1P3P1P/6K1/nN3BNR b - - 0 21 ; Best move: d8a5
The current state of the chess board is: Black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black rook at a7, black bishop at b7 and black pawn at d7. Black pawn at e6, black pawn at g6 and black rook at h6. White rook at a5, black pawn at c5, white pawn at e5, white pawn at f5 and black pawn at h5. White pawn at c4, white pawn at d4 and white bishop at h4. White pawn at b3, white pawn at f3 and white pawn at h3. White king at g2. Black knight at a1, white knight at b1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 21. Black to move.