r2q1bk1/1bp3r1/n2p2p1/p3p1B1/2PP1Ppp/7P/PPQNP2R/R3KBN1 w Q - 3 20
FEN state: r2q1bk1/1bp3r1/n2p2p1/p3p1B1/2PP1Ppp/7P/PPQNP2R/R3KBN1 w Q - 3 20 ; Best move: g5d8
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8 and black king at g8. Black bishop at b7, black pawn at c7 and black rook at g7. Black knight at a6, black pawn at d6 and black pawn at g6. Black pawn at a5, black pawn at e5 and white bishop at g5. White pawn at c4, white pawn at d4, white pawn at f4, black pawn at g4 and black pawn at h4. White pawn at h3. White pawn at a2, white pawn at b2, white queen at c2, white knight at d2, white pawn at e2 and white rook at h2. White rook at a1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 3. Full move number is 20. White to move.