rB2k1nr/pp1bpp2/8/1PnpP2p/P2bP1p1/2N3PB/2P4P/R4KNR b q - 0 16
FEN state: rB2k1nr/pp1bpp2/8/1PnpP2p/P2bP1p1/2N3PB/2P4P/R4KNR b q - 0 16 ; Best move: d4c3
The current state of the chess board is: Black rook at a8, white bishop at b8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black bishop at d7, black pawn at e7 and black pawn at f7. White pawn at b5, black knight at c5, black pawn at d5, white pawn at e5 and black pawn at h5. White pawn at a4, black bishop at d4, white pawn at e4 and black pawn at g4. White knight at c3, white pawn at g3 and white bishop at h3. White pawn at c2 and white pawn at h2. White rook at a1, 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 16. Black to move.