rq1k1bB1/2p1p2r/p2p4/1pB4p/1n1P3p/P6p/4PP2/RN1QK1N1 w Q - 1 20
FEN state: rq1k1bB1/2p1p2r/p2p4/1pB4p/1n1P3p/P6p/4PP2/RN1QK1N1 w Q - 1 20 ; Best move: g1h3
The current state of the chess board is: Black rook at a8, black queen at b8, black king at d8, black bishop at f8 and white bishop at g8. Black pawn at c7, black pawn at e7 and black rook at h7. Black pawn at a6 and black pawn at d6. Black pawn at b5, white bishop at c5 and black pawn at h5. Black knight at b4, white pawn at d4 and black pawn at h4. White pawn at a3 and black pawn at h3. White pawn at e2 and white pawn at f2. White rook at a1, white knight at b1, white queen at d1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 20. White to move.