r1b1k1nr/q4pp1/n1p1P3/pp1P3p/7P/P3B1P1/P3PP2/RNQ1KBN1 b Qq - 4 18
FEN state: r1b1k1nr/q4pp1/n1p1P3/pp1P3p/7P/P3B1P1/P3PP2/RNQ1KBN1 b Qq - 4 18 ; Best move: c6c5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black queen at a7, black pawn at f7 and black pawn at g7. Black knight at a6, black pawn at c6 and white pawn at e6. Black pawn at a5, black pawn at b5, white pawn at d5 and black pawn at h5. White pawn at h4. White pawn at a3, white bishop at e3 and white pawn at g3. 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, white bishop at f1 and white knight at g1. White queenside and black queenside castles are available. Half move number is 4. Full move number is 18. Black to move.