r1b1k1n1/b1p2pp1/2P1p2p/p3P3/Pp2B2q/4NP2/RP1P3P/2B1QKNR b q - 0 19
FEN state: r1b1k1n1/b1p2pp1/2P1p2p/p3P3/Pp2B2q/4NP2/RP1P3P/2B1QKNR b q - 0 19 ; Best move: c8a6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black knight at g8. Black bishop at a7, black pawn at c7, black pawn at f7 and black pawn at g7. White pawn at c6, black pawn at e6 and black pawn at h6. Black pawn at a5 and white pawn at e5. White pawn at a4, black pawn at b4, white bishop at e4 and black queen at h4. White knight at e3 and white pawn at f3. White rook at a2, white pawn at b2, white pawn at d2 and white pawn at h2. White bishop at c1, white queen at e1, 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 0. Full move number is 19. Black to move.