Pretty much as Miles described. Formula and Conditional Format from B1 is copied across and down. The CF format in the display below does not show it but the Format is simply "strikethrough" on the Font tab.
<colgroup><col style="font-weight:bold; width:30px; "><col style="width:56px;"><col style="width:56px;"><col style="width:56px;"><col style="width:56px;"><col style="width:56px;"><col style="width:56px;"><col style="width:56px;"></colgroup><tbody>
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=cacaca]#cacaca[/URL] , align: center"]1[/TD]
[TD="align: right"]7[/TD]
[TD="align: right"]1111[/TD]
[TD="align: right"]11[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=cacaca]#cacaca[/URL] , align: center"]2[/TD]
[TD="align: right"]1[/TD]
[TD="align: right"]1[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=cacaca]#cacaca[/URL] , align: center"]3[/TD]
[TD="align: right"]23[/TD]
[TD="align: right"]1111[/TD]
[TD="align: right"]1111[/TD]
[TD="align: right"]1111[/TD]
[TD="align: right"]1111[/TD]
[TD="align: right"]111[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=cacaca]#cacaca[/URL] , align: center"]4[/TD]
[TD="align: right"]5[/TD]
[TD="align: right"]1111[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=cacaca]#cacaca[/URL] , align: center"]5[/TD]
[TD="align: right"]4[/TD]
[TD="align: right"]1111[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=cacaca]#cacaca[/URL] , align: center"]6[/TD]
[TD="align: right"]17[/TD]
[TD="align: right"]1111[/TD]
[TD="align: right"]1111[/TD]
[TD="align: right"]1111[/TD]
[TD="align: right"]11[/TD]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=cacaca]#cacaca[/URL] , align: center"]7[/TD]
</tbody>