r3k2r/p1p1ppb1/5n2/1qpp3p/1P2PP2/2QnKb2/7P/RNB2B1R w kq - 1 20
FEN state: r3k2r/p1p1ppb1/5n2/1qpp3p/1P2PP2/2QnKb2/7P/RNB2B1R w kq - 1 20 ; Best move: f1d3
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black bishop at g7. Black knight at f6. Black queen at b5, black pawn at c5, black pawn at d5 and black pawn at h5. White pawn at b4, white pawn at e4 and white pawn at f4. White queen at c3, black knight at d3, white king at e3 and black bishop at f3. White pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 20. White to move.