rnbr4/p2p1k2/1p1bp2p/B2P2Q1/4n1RN/8/PP2PP1P/R3KB2 w Q - 1 21
FEN state: rnbr4/p2p1k2/1p1bp2p/B2P2Q1/4n1RN/8/PP2PP1P/R3KB2 w Q - 1 21 ; Best move: g5g6
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at d8. Black pawn at a7, black pawn at d7 and black king at f7. Black pawn at b6, black bishop at d6, black pawn at e6 and black pawn at h6. White bishop at a5, white pawn at d5 and white queen at g5. Black knight at e4, white rook at g4 and white knight at h4. White pawn at a2, white pawn at b2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 1. Full move number is 21. White to move.