r3kr2/1b1p1pp1/p4n1p/n3p3/1PPpP2b/8/RP3P1P/1NBQ1KNR b q - 1 19
FEN state: r3kr2/1b1p1pp1/p4n1p/n3p3/1PPpP2b/8/RP3P1P/1NBQ1KNR b q - 1 19 ; Best move: a5c4
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at f8. Black bishop at b7, black pawn at d7, black pawn at f7 and black pawn at g7. Black pawn at a6, black knight at f6 and black pawn at h6. Black knight at a5 and black pawn at e5. White pawn at b4, white pawn at c4, black pawn at d4, white pawn at e4 and black bishop at h4. White rook at a2, white pawn at b2, white pawn at f2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white king at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 19. Black to move.