rnb5/1p1pk2p/5qrb/p2np1p1/1PPp2P1/N4PR1/P1QPP3/R1B1K2B w Q - 9 20
FEN state: rnb5/1p1pk2p/5qrb/p2np1p1/1PPp2P1/N4PR1/P1QPP3/R1B1K2B w Q - 9 20 ; Best move: c4d5
The current state of the chess board is: Black rook at a8, black knight at b8 and black bishop at c8. Black pawn at b7, black pawn at d7, black king at e7 and black pawn at h7. Black queen at f6, black rook at g6 and black bishop at h6. Black pawn at a5, black knight at d5, black pawn at e5 and black pawn at g5. White pawn at b4, white pawn at c4, black pawn at d4 and white pawn at g4. White knight at a3, white pawn at f3 and white rook at g3. White pawn at a2, white queen at c2, white pawn at d2 and white pawn at e2. White rook at a1, white bishop at c1, white king at e1 and white bishop at h1. White queenside is the only castle move available. Half move number is 9. Full move number is 20. White to move.