r1b1kbr1/pp1pppp1/8/2p4p/Pn5P/3P3R/RP1NPPB1/2qQ1KN1 b q - 1 18
FEN state: r1b1kbr1/pp1pppp1/8/2p4p/Pn5P/3P3R/RP1NPPB1/2qQ1KN1 b q - 1 18 ; Best move: c1d1
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black pawn at c5 and black pawn at h5. White pawn at a4, black knight at b4 and white pawn at h4. White pawn at d3 and white rook at h3. White rook at a2, white pawn at b2, white knight at d2, white pawn at e2, white pawn at f2 and white bishop at g2. Black queen at c1, white queen at d1, white king at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 18. Black to move.