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LMI April Sudoku Test33 posts • Page 1 of 2 • 1 2
@ 2011-04-24 12:01 AM (#4156 - in reply to #4155) (#4156) Top

debmohanty




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debmohanty posted @ 2011-04-24 12:01 AM

gaurav.kjain - 2011-04-23 11:52 PM

I think this test is same for monthly sudoku submissons also...is it completed..that means I cannot submit it now for even monthly test.
Glad that you finally realized that it is the same test
@ 2011-04-24 1:48 AM (#4158 - in reply to #4154) (#4158) Top

debmohanty




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debmohanty posted @ 2011-04-24 1:48 AM

motris - 2011-04-23 11:37 PM

Excellent test with many fun puzzles (and several moments that definitely reminded me of the great puzzles from WSC Goa several years ago). Thanks very much for sharing this qualifier as the April Sudoku Test.
Thanks Thomas.
There have already been some awesome performances at the top (of course including yours). This should be more closely fought than Twist!
@ 2011-04-24 8:31 PM (#4201 - in reply to #4158) (#4201) Top

Administrator



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Administrator posted @ 2011-04-24 8:31 PM

You can now check others' score as well in the score page - http://logicmastersindia.com/ISC2011/score.asp
@ 2011-04-24 9:20 PM (#4204 - in reply to #4201) (#4204) Top

vopani



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vopani posted @ 2011-04-24 9:20 PM

Beautiful set of sudokus. A must-do for all solvers, beginners and professionals, there's something in it for everybody.

Trio and Killer were fantastic. I've never seen a better Trio Sudoku before. Anyone knows of a 6-given Trio?
@ 2011-04-24 9:37 PM (#4205 - in reply to #4024) (#4205) Top

motris



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motris posted @ 2011-04-24 9:37 PM

It's definitely possible to make a 6-given Trio. If you sketch out a 2-given path for any set of three digits which has just one digit per column in each region (I've just done this), then you can cycle the three rows in every chute with the same 2-given pattern to get a 6-given puzzle. My 6-given isn't that interesting since it is the same puzzle three times, but the theoretical limit can be achieved certainly.

Edited by motris 2011-04-24 9:38 PM
@ 2011-04-24 9:38 PM (#4206 - in reply to #4024) (#4206) Top

Ours brun




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Ours brun posted @ 2011-04-24 9:38 PM

Well Rohan, if you like hard trios, it wouldn't be displaced to invite you to give a try at french prequalifications (or at least to get the puzzles later).
@ 2011-04-24 9:50 PM (#4207 - in reply to #4206) (#4207) Top

vopani



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vopani posted @ 2011-04-24 9:50 PM

Ours brun - 2011-04-24 9:38 PM

Well Rohan, if you like hard trios, it wouldn't be displaced to invite you to give a try at french prequalifications (or at least to get the puzzles later).

I have to miss this since I'm a little unwell and have my examinations going on, but I plan to do it next week.
@ 2011-04-24 10:11 PM (#4209 - in reply to #4205) (#4209) Top

vopani



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vopani posted @ 2011-04-24 10:11 PM

motris - 2011-04-24 9:37 PM

It's definitely possible to make a 6-given Trio. If you sketch out a 2-given path for any set of three digits which has just one digit per column in each region (I've just done this), then you can cycle the three rows in every chute with the same 2-given pattern to get a 6-given puzzle. My 6-given isn't that interesting since it is the same puzzle three times, but the theoretical limit can be achieved certainly.

I tried creating a 6-given Trio sometime back, but I didn't push after failing a couple of times. My enthu got lost until yesterday when I was fondly surprised to see it. All I can say, I could've tried harder :-)

I've always felt variants like Odd-Even and Trio are more enjoyable if there is a not-so-obvious path of solving, which is rarely the case.
@ 2011-04-25 9:02 AM (#4212 - in reply to #4209) (#4212) Top

Administrator



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Administrator posted @ 2011-04-25 9:02 AM

Another 5 hours. So boring waiting to announce the results when only a handful of players have participated since mid-night (IST).

It is surprising that nobody complained about the score page (not this test but all LMI score pages), the main table on left is not sortable. So when someone is viewing the score page after few hours they have no way to figure out who are the recent additions. We should do something about it.

@ 2011-04-25 11:57 AM (#4214 - in reply to #4206) (#4214) Top

neerajmehrotra



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neerajmehrotra posted @ 2011-04-25 11:57 AM

Ours brun - 2011-04-24 9:38 PM

Well Rohan, if you like hard trios, it wouldn't be displaced to invite you to give a try at french prequalifications (or at least to get the puzzles later).


I did this TRIO yesterday night, nice puzzle, but could do it little fast (better than my standards) of course used trail and error at places. In fact all puzzles at French prequalifications were excellent.
@ 2011-04-25 1:24 PM (#4217 - in reply to #4024) (#4217) Top

pista



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pista posted @ 2011-04-25 1:24 PM

Will the test end at 14 or 16 IST? On the main page 16:00 is stated.
Pista
@ 2011-04-25 1:30 PM (#4218 - in reply to #4217) (#4218) Top

Administrator



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Administrator posted @ 2011-04-25 1:30 PM

pista - 2011-04-25 1:24 PM

Will the test end at 14 or 16 IST? On the main page 16:00 is stated.
Pista


Thats a bad mistake. In one place we mentioned end time as 14:00, in other place as 16:00.

We'll run till 16:00 in case anyone was planning to take during that period.
@ 2011-04-25 1:32 PM (#4219 - in reply to #4024) (#4219) Top

pista



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pista posted @ 2011-04-25 1:32 PM

OK, thanks a lot, I will give it a try :)
Pista
@ 2011-04-25 4:00 PM (#4222 - in reply to #4219) (#4222) Top

Administrator



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Administrator posted @ 2011-04-25 4:00 PM

After a long wait, LMI April Sudoku Test is over.

We had some excellent performances at the top.
Thomas blew through the Sudokus in 90 minutes, and Jan completed in 101 minutes. Nikola completed in 108 minutes. They complete the podium for April Sudoku Test.

7 other players completed all sudokus in 120 minutes, and at least few more were close to complete all, most notably Timothy. The score page is indeed top-heavy.

Among Indian players, Rohan was the only one to complete. Rishi made a mistake (typo again!) in Trio and messed up with Product, otherwise he was close too. Gaurav (participated out of the official ISC window) solved 12 puzzles correctly to complete Indian podium.

Overall we had 268 players, out of which 209 players submitted at least one Sudoku correctly.


Test Solvers
Many thanks to Branko Ceranic (skywalker) and Gülce Özkütük (suboree) for pretesting all the Sudokus, and also testing the web interface before the round started.


@ 2011-04-25 5:50 PM (#4231 - in reply to #4222) (#4231) Top

rakesh_rai




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rakesh_rai posted @ 2011-04-25 5:50 PM

Excellent set of puzzles. Killer and Product were too good.

Edited by rakesh_rai 2011-04-25 5:50 PM
@ 2011-04-25 5:56 PM (#4233 - in reply to #4231) (#4233) Top

debmohanty




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debmohanty posted @ 2011-04-25 5:56 PM

rakesh_rai - 2011-04-25 5:50 PM

Excellent set of puzzles. Killer and Product were too good.
I found it strange that you always start with the most difficult puzzles (or you simply want to grab the highest pointers?)
@ 2011-04-25 6:08 PM (#4234 - in reply to #4233) (#4234) Top

rakesh_rai




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rakesh_rai posted @ 2011-04-25 6:08 PM

debmohanty - 2011-04-25 5:56 PM
rakesh_rai - 2011-04-25 5:50 PM

Excellent set of puzzles. Killer and Product were too good.
I found it strange that you always start with the most difficult puzzles (or you simply want to grab the highest pointers?)
This time, it was not planned. After I started the test, it takes some time for the sudoku grids to become visible. It just happened that I was scrolling up and down to find any grid which comes up first. Killer came up first - so I started there.

Also, most of the times, I do not try the remaining grids after the test. So, for me, its ok to miss a small pointer than a high pointer - as the maximum enjoyment would be after solving these high pointers.
@ 2011-04-25 6:22 PM (#4235 - in reply to #4234) (#4235) Top

purifire




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purifire posted @ 2011-04-25 6:22 PM

Normally it is always beneficial to start with high pointers if we are not sure of completing all the puzzles in the test.... I try that too ... but if the variants are all known and if I feel I can complete all then I simply go in the order...
@ 2011-04-25 10:42 PM (#4241 - in reply to #4024) (#4241) Top

Fred76




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Fred76 posted @ 2011-04-25 10:42 PM

Thank you for this wonderful test !

Grids were very nice, I really enjoy to solve them. It was the second tournament of the day for me (after french prequalifs), and I'm happy to see that I can be competitive during 4 hours in a day. (certainly an important thing for competitions like WSC, where I haven't any experience).
Regarding LMI tests, I was impatient to find again a place in the top 10 on a test. As I was tester in January and Author in March, I had only the awful result of February test...

About grids: extraregions, consecutive, outside, inequality, irregular and killer enjoyed me particularly, as they were so nice and well constructed. All grids were good. The Product Frame was very tough, I have to redo it, because I couldn't solve it without a guess (of course it was wrong 1rst time, I think I spent something like 20-25 on that grid in total).

It's good to see that Janoslaw is back ! 4 times world champions taked logically the first two places. Thomas had a comfortable +11 minutes advance. Behind them (-> Human people ) , it was very tight between Nikola, Kota, Michael and Hideaki: only 1 minutes 39 separates these very good players.

Thanks again, I have so much pleasure to compete on LMI !

Fred
@ 2011-04-26 5:51 PM (#4256 - in reply to #4207) (#4256) Top

utkaarsh



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utkaarsh posted @ 2011-04-26 5:51 PM

guys, can some one help with the link for French pre-qualifiers

Edited by utkaarsh 2011-04-26 5:52 PM
@ 2011-04-26 5:53 PM (#4257 - in reply to #4256) (#4257) Top

debmohanty




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debmohanty posted @ 2011-04-26 5:53 PM

utkaarsh - 2011-04-26 5:51 PM

guys, can some one help with the link for French pre-qualifiers


See here
@ 2011-04-26 6:12 PM (#4258 - in reply to #4257) (#4258) Top

utkaarsh



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utkaarsh posted @ 2011-04-26 6:12 PM

thnx deb
@ 2011-04-26 7:40 PM (#4261 - in reply to #4241) (#4261) Top

vopani



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vopani posted @ 2011-04-26 7:40 PM

Fred76 - 2011-04-25 10:42 PM

It's good to see that Janoslaw is back ! 4 times world champions taked logically the first two places. Thomas had a comfortable +11 minutes advance. Behind them (-> Human people ) , it was very tight between Nikola, Kota, Michael and Hideaki: only 1 minutes 39 separates these very good players.

Hey Fred, you missed about some more good players: Minfang Lin, Rohan Rao, Fred Stalder and Sinchai R, who also completed the set (in a more humanly time ;-) )
@ 2011-04-26 9:34 PM (#4264 - in reply to #4261) (#4264) Top

Fred76




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Fred76 posted @ 2011-04-26 9:34 PM

Rohan Rao - 2011-04-26 7:40 PM

Fred76 - 2011-04-25 10:42 PM

It's good to see that Janoslaw is back ! 4 times world champions taked logically the first two places. Thomas had a comfortable +11 minutes advance. Behind them (-> Human people ) , it was very tight between Nikola, Kota, Michael and Hideaki: only 1 minutes 39 separates these very good players.

Hey Fred, you missed about some more good players: Minfang Lin, Rohan Rao, Fred Stalder and Sinchai R, who also completed the set (in a more humanly time ;-) )


You are right, these players are good
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