rn1qbb2/2p2k2/4ppR1/1prP2p1/Pp1n3N/B7/3PPPBP/R2QK3 w Q - 0 21
FEN state: rn1qbb2/2p2k2/4ppR1/1prP2p1/Pp1n3N/B7/3PPPBP/R2QK3 w Q - 0 21 ; Best move: d5e6
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at e8 and black bishop at f8. Black pawn at c7 and black king at f7. Black pawn at e6, black pawn at f6 and white rook at g6. Black pawn at b5, black rook at c5, white pawn at d5 and black pawn at g5. White pawn at a4, black pawn at b4, black knight at d4 and white knight at h4. White bishop at a3. White pawn at d2, white pawn at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at a1, white queen at d1 and white king at e1. White queenside is the only castle move available. Half move number is 0. Full move number is 21. White to move.