r2q1b1r/1pp1p3/3pk1p1/2Pn4/p2nPP2/NQ3bP1/P2B3R/R3KBN1 w Q - 4 26
FEN state: r2q1b1r/1pp1p3/3pk1p1/2Pn4/p2nPP2/NQ3bP1/P2B3R/R3KBN1 w Q - 4 26 ; Best move: b3d5
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7 and black pawn at e7. Black pawn at d6, black king at e6 and black pawn at g6. White pawn at c5 and black knight at d5. Black pawn at a4, black knight at d4, white pawn at e4 and white pawn at f4. White knight at a3, white queen at b3, black bishop at f3 and white pawn at g3. White pawn at a2, white bishop at d2 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 4. Full move number is 26. White to move.