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Neat Move
http://www.rcbroughton.co.uk/sudoku/forum/viewtopic.php?f=8&t=1573
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Author:  HATMAN [ Sat Aug 01, 2020 11:04 am ]
Post subject:  Neat Move

If you have not already seen this have a look.

https://www.youtube.com/watch?v=sBv2SGpgwg8

Author:  Ed [ Sun Aug 02, 2020 2:59 am ]
Post subject:  Re: Neat Move

Very nice indeed! Here is the code for that puzzle. It gets 1.10. Wellbeback and Andrew are very good at that technique and use it much more often than I do.
triple click code:
3x3::k:3328:3328:6913:6913:6913:3586:1539:1539:7940:3328:4869:4869:4869:6913:3586:4358:4358:7940:5639:4869:4872:4872:4872:8201:4106:4106:7940:5639:4869:4872:8201:8201:8201:4106:7940:7940:5639:5639:4872:8201:7947:7947:7947:3084:7940:2063:2063:8201:8201:7947:7694:7694:3084:2317:1808:2321:3602:3602:7947:7694:7694:7694:2317:1808:2321:3602:8980:2579:2579:7694:4374:4374:8980:8980:8980:8980:8980:1813:1813:4374:4374:
Cheers
Ed

Author:  wellbeback [ Sun Aug 23, 2020 6:42 pm ]
Post subject:  Re: Neat Move

It is neat. It's ironic that I prefer this kind of move to combination analysis (which Andrew and Ed are better at than me), but in this case I would use combination analysis. I.e., 27(4) must contain a 9 in r1 -> 14(2) = [86] -> no 8 in 27(4) -> 27(4) = [6{579}].

However, I used exactly this move in Ed's latest Assassin 398! r4c23 = +15(2) -> Combination of that + 32(6) is greater than 45 -> must be a repeat which can only be r5c4 = one of r4c23.

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