rQb3nr/3ppk2/n1p2q1b/p6p/N1PP4/3K1P2/PP2P1B1/R1B3N1 b - - 4 21
FEN state: rQb3nr/3ppk2/n1p2q1b/p6p/N1PP4/3K1P2/PP2P1B1/R1B3N1 b - - 4 21 ; Best move: a8b8
The current state of the chess board is: Black rook at a8, white queen at b8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at d7, black pawn at e7 and black king at f7. Black knight at a6, black pawn at c6, black queen at f6 and black bishop at h6. Black pawn at a5 and black pawn at h5. White knight at a4, white pawn at c4 and white pawn at d4. White king at d3 and white pawn at f3. White pawn at a2, white pawn at b2, white pawn at e2 and white bishop at g2. White rook at a1, white bishop at c1 and white knight at g1. Both players have exhausted their castles. Half move number is 4. Full move number is 21. Black to move.