rnb1kb1Q/5pp1/8/qp1p4/p1pPp1nB/N4BP1/PPP1PP1P/2R2KNR b q - 3 12
FEN state: rnb1kb1Q/5pp1/8/qp1p4/p1pPp1nB/N4BP1/PPP1PP1P/2R2KNR b q - 3 12 ; Best move: a8a6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and white queen at h8. Black pawn at f7 and black pawn at g7. Black queen at a5, black pawn at b5 and black pawn at d5. Black pawn at a4, black pawn at c4, white pawn at d4, black pawn at e4, black knight at g4 and white bishop at h4. White knight at a3, white bishop at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at c1, 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 3. Full move number is 12. Black to move.