Paquita wrote:Hendrik
I did not understand why your new 11.9's were barely noticed, congratulations are in place! .
AFAIK, apart from the people contributing to it, the SER-hardest list has been used only by me.
Ever since I published [PBCS1, 2012] and the BpB classification of SER-hard puzzles, I've been checking the newly published SER-hardest puzzles - mainly to check that no one appeared to be beyond B7B, the frontier that has remained true for 10+ years.
After Loki was published, after I found it was in T&E(3) and after mith published innumerable puzzles in T&E(3), I concentrated my efforts on analysing these. I found that all of them are in T&E(W2, 2) = B2BB, the new frontier, and I published various ratings for them. All this involved months of computation time.
As a result, mainly for lack of time, I set aside my watch on T&E(2) puzzles. In some random check, I recently found a new (?) B7B by Hendrik.
But it's very difficult to do anything systematic about T&E(2) puzzles, due to the current mess about them. I'm totally unable to tell which are new wrt the ph2010 database. As any calculations involving them are quite time consuming, it's not very tempting to do anything about them. Also, now that CSP-Rules is public, it may be time for others to do these calculations by themselves if they are interested in the BpB sub-classification of T&E(2). The question of whether there's a puzzle in B8B is still open.
The worst that could happen to the ph database is to mix T&E(2) puzzles with T&E(3) ones.
Anyway, congrats to Paquita and Hendrik (and mith, of course) for all the new SER-hard puzzles they have found.
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