4kr2/r2n2P1/p6p/1p1pp3/2p3bP/B1P2R2/P1QPP3/RN2KBN1 w Q - 0 21
FEN state: 4kr2/r2n2P1/p6p/1p1pp3/2p3bP/B1P2R2/P1QPP3/RN2KBN1 w Q - 0 21 ; Best move: f3f8
The current state of the chess board is: Black king at e8 and black rook at f8. Black rook at a7, black knight at d7 and white pawn at g7. Black pawn at a6 and black pawn at h6. Black pawn at b5, black pawn at d5 and black pawn at e5. Black pawn at c4, black bishop at g4 and white pawn at h4. White bishop at a3, white pawn at c3 and white rook at f3. White pawn at a2, white queen at c2, white pawn at d2 and white pawn at e2. White rook at a1, white knight at b1, 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 0. Full move number is 21. White to move.