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World Sudoku & Puzzle Championship 2026
Riad Khanmagomedov's April Contest — 18th to 27th April 202555 posts • Page 2 of 3 • 1 2 3
@ 2025-04-29 10:12 PM (#33798 - in reply to #33716) (#33798) Top

SP1



Posts: 12

Country : Japan

SP1 posted @ 2025-04-29 10:12 PM

Riad, thanks for organizing a great contest!
And congratulations to kiwijam for a perfect win!!!
Thanks also to the LMI team for running the event.
I had not participated in this contest for a few years, but I really enjoyed it.

I especially like prob. 7 and 12.
I didn't have time to fix my solution for 12 because it was the last day of the contest when I realized that the length of lines was important.I regret that.
Anyway, I think prob.12 is a really good optimization setup!

I like optimization puzzles very much, and I am very happy to see the April Contest where I can enjoy them.
I'm planning to hold an optimization contest at a local site in Japan.
I hope that the fun of optimization will spread more and more.

Edited by SP1 2025-04-29 10:13 PM
@ 2025-04-30 12:43 AM (#33799 - in reply to #33716) (#33799) Top

Riad Khanmagomedov



Posts: 267
100100202020
Country : Russia

Riad Khanmagomedov posted @ 2025-04-30 12:43 AM

Thanks a lot to everyone!
Congratulations to James, Takuma and Paul!
Success in optimization problems in 2025 earned more points than ever. James had a very impressive victory. Only two participants managed to score points in all optimizations. Takuma, great result! Interestingly written in the two posts above. I wish Takuma success in organizing the optimization contest in Japan.
There were questions like: Why ban word overlapping in Hitori? I think through the answer format so that it is convenient for the organizers. A lot of parentheses can prevent Deb from forming grids with solutions. For clarity, it is better to place the parentheses sequentially. Thanks to the LMI team, Deb and Prasanna, and a special thanks to Kota for the long-term support!
@ 2025-05-03 4:09 PM (#33805 - in reply to #33716) (#33805) Top

pinkagape



Posts: 22
20
Country : United Kingdom

pinkagape posted @ 2025-05-03 4:09 PM

Thanks Riad and well done James! Are there solutions available to the puzzles? I had a tough time with some of them and was hoping to work through them with the solutions.
@ 2025-05-31 7:38 AM (#33898 - in reply to #33716) (#33898) Top

tebi



Posts: 2

Country : Indonesia

tebi posted @ 2025-05-31 7:38 AM

hi
@ 2026-04-05 5:46 AM (#39177 - in reply to #33716) (#39177) Top

kiwijam



Posts: 196
10020202020
Country : New Zealand

kiwijam posted @ 2026-04-05 5:46 AM

While+waiting+for+this+year%27s+April+contest+%28I%27m+hoping+there+is+one%3F%29%2C+I+noticed+some+mistakes+on+the+Contests+leaderboard+page%3A+https%3A%2F%2Flogicmastersindia%2Ecom%2Flive%2Fsearch%2Dcontests%0D%0A%0D%0AFor+last+year%27s+%22April+Contest+2025%22+the+row+shows%3A%0D%0AApril+Contest+2025%09Riad+Khanmagomedov%09%09%3F%2F82%2F109%0955%2E0%09skrzypl1%09Nikola%09kiwijam%09snehasanjeevini%09hpoddar08%09harmeet%0D%0A%0D%0ABut+the+results+page+%28https%3A%2F%2Flogicmastersindia%2Ecom%2F2025%2F04Contest%2Fscore%2Easp%29+shows+the+maximum+score+was+100+and+the+podium+was+actually+James%2C+Takuma%2C+and+Paul%2E%0D%0AHoping+this+is+easy+for+someone+to+fix%21+%F0%9F%99%8F%0D%0A
@ 2026-04-07 4:15 PM (#39189 - in reply to #33716) (#39189) Top

Regina Arizo



Posts: 1

Regina Arizo posted @ 2026-04-07 4:15 PM

Hey I want to join
@ 2026-04-07 5:47 PM (#39191 - in reply to #39177) (#39191) Top

prasanna16391



Posts: 1988
100050010010010010020202020
Country : India

prasanna16391 posted @ 2026-04-07 5:47 PM

%5BQUOTE%5Dkiwijam+%2D+2026%2D04%2D05++5%3A46+AM%0D%0A%0D%0AWhile+waiting+for+this+year%27s+April+contest+%28I%27m+hoping+there+is+one%3F%29%2C+I+noticed+some+mistakes+on+the+Contests+leaderboard+page%3A+https%3A%2F%2Flogicmastersindia%2Ecom%2Flive%2Fsearch%2Dcontests%0D%0A%0D%0AFor+last+year%27s+%22April+Contest+2025%22+the+row+shows%3A%0D%0AApril+Contest+2025%09Riad+Khanmagomedov%09%09%3F%2F82%2F109%0955%2E0%09skrzypl1%09Nikola%09kiwijam%09snehasanjeevini%09hpoddar08%09harmeet%0D%0A%0D%0ABut+the+results+page+%28https%3A%2F%2Flogicmastersindia%2Ecom%2F2025%2F04Contest%2Fscore%2Easp%29+shows+the+maximum+score+was+100+and+the+podium+was+actually+James%2C+Takuma%2C+and+Paul%2E%0D%0AHoping+this+is+easy+for+someone+to+fix%21+%F0%9F%99%8F%0D%0A%5B%2FQUOTE%5D%0D%0A%0D%0AShould+be+easy+to+fix+ya%2C+I%27ll+get+to+it+soon%2C+working+on+the+next+PR+round+now%2C+and+yes+there+will+be+an+April+Contest+this+year+too%2E+
Riad Khanmagomedov's April Contest — 18th to 27th April 202555 posts • Page 2 of 3 • 1 2 3
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