The amended rule refers to "best score", singular, which seems to open up the possibility of an unbrokwn tie to a much greater extent than the standard Appendix A 8.2 rule, unless I'm reading it wrong.

e.g.

1.5,2,3,4,5,6,7,8,9
1.5,3,4,5,6,7,8,9,2

would be an unbroken tie using the amended rule.

I think