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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1963
   
Location: India | |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1963
Location: India | Version 1 of the Instruction Booklet is uploaded. If there are any errors please note them here, they will be fixed in the next version along with adding the points distribution and number of PB pages. |
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Posts: 23
Location: Czech Republic | Hi+guys%2C+nice+set+of+puzzles%2E+%F0%9F%91%8D%0D%0AOne+comment%2E+I+recommend+a+change+of+name
+recommend+a+change+of+name+%22Faded+Kropki+Sudoku%22+to+%22Faded+Kropki+Pairs+Sudoku%22+becau
Faded+Kropki+Pairs+Sudoku%22+because+its+rules+say%3A++%22All+possible+%0D%0Acircles+are+not+n
3;possible+%0D%0Acircles+are+not+necessarily+marked%2E+%22+Not+everyone+can+spot+this+part+of+
one+can+spot+this+part+of+the+rules%21+%F0%9F%98%8A
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1963
Location: India | That is actually what the name is supposed to be, sorry for missing it. It'll be changed, thank you! :) |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1963
Location: India | Version 2 of the IB is now published. As always, changes have been made on the doc, the example links may not be completely consistent.
Changes -
- Points distribution added.
- PB Pages added.
- Change made to names (Faded Kropki to Faded Kropki Pairs and 1-2 Consecutive Pairs to 1-2 Difference Pairs), both are the names the author intended, and make more sense for the variant too.
- Small text added to Faded Kropki Pairs rules to allow for 1-2 pair being both 'consecutive' and 'one digit double of the other'.
- Small text change to Pencil Marks rules so that there's no confusion in the PB where it says "The part in brackets is for the large puzzle". |
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Posts: 1
Location: India | hi |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1963
Location: India | Password protected Puzzle Booklet available for download on the submission page. |
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Posts: 2
Location: China | Really? Two chains and an empty rectangle required for 8pt classic?
Edited by gwish 2026-01-31 10:13 AM
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Posts: 14
Location: India | %f0%9f%91%8d |
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2021 World Sudoku+Puzzle Convention Organizer
Posts: 1963
Location: India | gwish - 2026-01-31 10:13 AM
Really? Two chains and an empty rectangle required for 8pt classic?
I just needed one small chain, everything else was basic techniques. It might help to know at what point you had to use these? |
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Posts: 2
Location: China | It's from sudoku.coach, so maybe it's because it has to follow strict techniques but humans don't have to?
btw the grid that it says chains are necessary at 012547080035180742487000050059008060008060500006305810061800405803654090594000608, and it gets r5c2=4 after those three steps |
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SM 2020 (Math) Author
Posts: 425
Location: India | gwish - 2026-02-04 8:35 PM
It's from sudoku.coach, so maybe it's because it has to follow strict techniques but humans don't have to?
btw the grid that it says chains are necessary at 012547080035180742487000050059008060008060500006305810061800405803654090594000608, and it gets r5c2=4 after those three steps
Made a video on this sudoku.
https://youtu.be/usuWNe_wONI |
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Standard & Neighbours - 31st Jan - 6th Feb 2026 - Sudoku Mahabharat & ISC Qualifier 2026
