rn2k1r1/p1qppp2/6p1/1pp1b3/1P3p2/BR5P/P1PP4/3NKBNR b Kq - 3 18
FEN state: rn2k1r1/p1qppp2/6p1/1pp1b3/1P3p2/BR5P/P1PP4/3NKBNR b Kq - 3 18 ; Best move: c5c4
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8 and black rook at g8. Black pawn at a7, black queen at c7, black pawn at d7, black pawn at e7 and black pawn at f7. Black pawn at g6. Black pawn at b5, black pawn at c5 and black bishop at e5. White pawn at b4 and black pawn at f4. White bishop at a3, white rook at b3 and white pawn at h3. White pawn at a2, white pawn at c2 and white pawn at d2. White knight at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and black queenside castles are available. Half move number is 3. Full move number is 18. Black to move.