r1bq1bnr/p3pkp1/n2p1p2/1pp4p/P1PP3P/RQ6/1P2PPP1/1NB1KBNR b K - 0 8
FEN state: r1bq1bnr/p3pkp1/n2p1p2/1pp4p/P1PP3P/RQ6/1P2PPP1/1NB1KBNR b K - 0 8 ; Best move: b5c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at e7, black king at f7 and black pawn at g7. Black knight at a6, black pawn at d6 and black pawn at f6. Black pawn at b5, black pawn at c5 and black pawn at h5. White pawn at a4, white pawn at c4, white pawn at d4 and white pawn at h4. White rook at a3 and white queen at b3. White pawn at b2, white pawn at e2, white pawn at f2 and white pawn at g2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 8. Black to move.