r2qk3/1pp1bp2/2np4/p3pbP1/2PPP1p1/BP6/Pn1KN3/R2Q1BR1 w q - 1 24
FEN state: r2qk3/1pp1bp2/2np4/p3pbP1/2PPP1p1/BP6/Pn1KN3/R2Q1BR1 w q - 1 24 ; Best move: a3b2
The current state of the chess board is: Black rook at a8, black queen at d8 and black king at e8. Black pawn at b7, black pawn at c7, black bishop at e7 and black pawn at f7. Black knight at c6 and black pawn at d6. Black pawn at a5, black pawn at e5, black bishop at f5 and white pawn at g5. White pawn at c4, white pawn at d4, white pawn at e4 and black pawn at g4. White bishop at a3 and white pawn at b3. White pawn at a2, black knight at b2, white king at d2 and white knight at e2. White rook at a1, white queen at d1, white bishop at f1 and white rook at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 24. White to move.