2r1kbn1/1pqb2r1/n3p1p1/p1ppQ3/3N1PP1/P3BB1P/1PP1p3/1R2K2R b - - 5 21
FEN state: 2r1kbn1/1pqb2r1/n3p1p1/p1ppQ3/3N1PP1/P3BB1P/1PP1p3/1R2K2R b - - 5 21 ; Best move: c7e5
The current state of the chess board is: Black rook at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at b7, black queen at c7, black bishop at d7 and black rook at g7. Black knight at a6, black pawn at e6 and black pawn at g6. Black pawn at a5, black pawn at c5, black pawn at d5 and white queen at e5. White knight at d4, white pawn at f4 and white pawn at g4. White pawn at a3, white bishop at e3, white bishop at f3 and white pawn at h3. White pawn at b2, white pawn at c2 and black pawn at e2. White rook at b1, white king at e1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 21. Black to move.