Standard & Odd Even - 20th - 26th Jan 2023 - Sudoku Mahabharat & ISC Qualifier 202322 posts • Page 1 of 1 • 1
@ 2023-01-19 11:11 PM (#31196 - in reply to #31190) (#31196) Top

prasanna16391



Posts: 1723
100050010010020
Country : India

prasanna16391 posted @ 2023-01-19 11:11 PM

Password protected Competition Booklet is uploaded.
@ 2023-01-20 3:22 PM (#31198 - in reply to #31190) (#31198) Top

auroux



Posts: 143
1002020
Country : France

auroux posted @ 2023-01-20 3:22 PM

Oof.+This+isn't+the+SM+of+a+few+years+ago+anymore...
@ 2023-01-21 1:02 AM (#31199 - in reply to #31190) (#31199) Top

prasanna16391



Posts: 1723
100050010010020
Country : India

prasanna16391 posted @ 2023-01-21 1:02 AM

%40auroux+it+is+more+or+less+representative+of+where+the+Indian+team+is.+In+the+last+WSC+we+were+without+Rohan+and+still+had+all+4+Indians+in+the+top+30%2c+with+young%2c+talented+and+capable+solvers.+While+some+of+the+18+Sudokus+should+be+beginner+friendly%2c+the+set+as+a+whole+should+challenge+our+best+to+get+better.+%0a%0aThe+PR+difficulty+largely+remains+the+same+because+we+haven't+seen+similar+growth+on+the+WPC+side+yet.+
@ 2023-01-21 7:42 AM (#31200 - in reply to #31190) (#31200) Top

chocchip37



Posts: 7

Country : Australia

chocchip37 posted @ 2023-01-21 7:42 AM

Agree+with+Prasanna+in+that+quite+a+few+beginner+friendly+sudokus+(classics%2c+thermos)+but+there+are+also+quite+a+few+challenges+-+notably+for+me%2c+the+6x6+diagonal+%2b+odd-even%2c+and+the+9x9+diagonal+%2b+extra+region.
@ 2023-01-21 8:03 AM (#31201 - in reply to #31190) (#31201) Top

chocchip37



Posts: 7

Country : Australia

chocchip37 posted @ 2023-01-21 8:03 AM

Having just finished my last puzzle (a tricky 9x9 diagonal), I wanted to saw what an amazing job the Indian authors have done to provide us with a wonderful set of puzzles for SM 2023 Rd 1! Very much enjoyed the quadruples and there are a good mix of difficulties with some easier puzzles (classics, thermos) and some quite difficult ones (6x6 diagonal and odd-even, 9x9 diagonal and extra region). Can't wait for Rd 2 in a few weeks' time! :)
@ 2023-01-21 12:15 PM (#31202 - in reply to #31190) (#31202) Top

shogia



Posts: 3

Country : United States

shogia posted @ 2023-01-21 12:15 PM

I+was+gushing+the+entire+time+I+was+doing+the+9x9+odd%2feven.+That+was+so+beautiful.
@ 2023-01-21 10:17 PM (#31203 - in reply to #31190) (#31203) Top

Leonardo024



Posts: 6

Country : The Netherlands

Leonardo024 posted @ 2023-01-21 10:17 PM

Spent+a+good+35+minutes+on+9x9+Extra+Regions+and+half+of+that+on+9x9+Thermo...+whoops+%3b)%0aBeautiful+set+tho%2c+very+fun+for+a+first+Sudoku+contest+%3a)%0aGonna+finish+the+remaining+puzzles+over+the+next+few+days!+%5e%5e+
@ 2023-01-22 1:11 AM (#31204 - in reply to #31190) (#31204) Top

Peter_Maverick



Posts: 4

Country : India

Peter_Maverick posted @ 2023-01-22 1:11 AM

Great+set.+My+fav+was+9x9+Odd-Even.+Never+thought+Odd-+Even+could+be+this+interesting+and+logic+was+exquisite.%0a
@ 2023-01-22 1:12 AM (#31205 - in reply to #31190) (#31205) Top

psymar



Posts: 1

Country : United States

psymar posted @ 2023-01-22 1:12 AM

Unfortunately+I+only+got+four+puzzles+in+the+first+half+of+the+time...+and+then+my+brain+gave+out+and+I+couldn't+even+continue+trying.++Oh+well%3b+I'm+proud+of+myself+for+trying.
@ 2023-01-22 1:51 AM (#31206 - in reply to #31190) (#31206) Top

TiiT



Posts: 138
10020
Country : Estonia

TiiT posted @ 2023-01-22 1:51 AM

Oh+dear%2E+Just+typo+when+entering+my+last+digit+of+the+last+answer+key+%F0%9F%99%84
@ 2023-01-22 4:06 AM (#31207 - in reply to #31190) (#31207) Top

DreamLibrarian



Posts: 6

Country : United States

DreamLibrarian posted @ 2023-01-22 4:06 AM

What is the reasoning behind allowing coloring for some puzzles but not others? Why not let the solver decide when they want to color?
Surface coloring is turned on for Odd/Even and No Three in a Row, but not for anything else. I routinely color, for instance, in solving extra regions; since this isn't allowed, it's hampering my solve.

Edited by DreamLibrarian 2023-01-22 4:08 AM
@ 2023-01-22 4:35 AM (#31208 - in reply to #31190) (#31208) Top

dennisc



Posts: 1

Country : United States of America

dennisc posted @ 2023-01-22 4:35 AM

Wow%2c+that+6x6+diagonal+was+surprisingly+hard.+Unfortunately+I+messed+up+near+the+end+of+the+9x9+o%2fe+and+didn't+solve+it+%f0%9f%98%ad+Should+have+been+more+careful
@ 2023-01-22 11:23 AM (#31209 - in reply to #31190) (#31209) Top

prasanna16391



Posts: 1723
100050010010020
Country : India

prasanna16391 posted @ 2023-01-22 11:23 AM

%40DreamLibrarian+Theres+nothing+%22disallowed%22+as+such.+It's+just+that+Odd+Even+more+commonly+uses+the+parity+coloring+so+I+added+the+tab+but+the+added+tab+is+also+a+slight+hindrance+to+the+solvers+who+don't+use+it+when+tabbing+through+options.+%0a%0aYou+are+very+much+allowed+to+simply+click+on+the+tab+space+in+the+top+right+and+check%2funcheck+the+options+you+feel+convenient+with.+Hope+this+helps+for+future+contests+%3a)
@ 2023-01-23 2:01 AM (#31210 - in reply to #31190) (#31210) Top

DreamLibrarian



Posts: 6

Country : United States

DreamLibrarian posted @ 2023-01-23 2:01 AM

%f0%9f%91%8d
@ 2023-01-24 12:19 PM (#31211 - in reply to #31190) (#31211) Top

pranavmanu



Posts: 55
2020
Country : India

pranavmanu posted @ 2023-01-24 12:19 PM

Thank+you+to+the+authors+for+a+great+round.+I+really+enjoyed+cracking+the+Thermo+and+Odd-Even+9X9s%2c+and+the+diagonal+9x9+after+the+round.++Felt+that+the+9x9+Odd-Even+and+Diagonal+deserved+more+points.++Round+difficulty+was+on+the+higher+side%2c+should+get+used+to+this.%0aLooking+forward+to+the+next+one!
@ 2023-01-26 12:07 AM (#31213 - in reply to #31190) (#31213) Top

Neha1609



Posts: 5

Country : India

Neha1609 posted @ 2023-01-26 12:07 AM

Thank+you+to+the+authors+for+the+challenging+round.+Liked+to+solve+the+puzzles.+Still+can+get+over+that+even+6x6+odd-even+puzzle+was+challenging.+Looking+forward+to+next+round.
@ 2023-01-26 4:53 PM (#31214 - in reply to #31190) (#31214) Top

kishy72



Posts: 415
100100100100
Country : India

kishy72 posted @ 2023-01-26 4:53 PM

Wow . That was a pretty intense contest. Had to solve out of my skin to even manage that score. Diagonal 9x9 was absolutely brutal and staved me off from finishing it for an eternity. I felt completely stuck not even sure where to guess. It was a relief to finish it finally with a wild guess.

Thanks to Kumaresan, Hemant and Arun for the really nerve wracking round :). My favourites are Quadruple (9x9) and Thermo (9x9).
@ 2023-02-01 8:18 AM (#31221 - in reply to #31190) (#31221) Top

Hemant Kr Malani



Posts: 61
202020
Country : India

Hemant Kr Malani posted @ 2023-02-01 8:18 AM

Thanks to all the participants for participating in the contest. Congratulations to Tiit Vunk , Tantan Dai and Sinchai Rungsangrattanakul for finishing in top 3 spots and to James Peter, Rohan Rao and Ashish Kumar for podium finish among the Indian participants.
I would agree to the discussion on the thread that the round was difficult but as Prasanna mentioned, the objective was to keep it more representative of where the Indian team is and also keep a few beginner friendly sudokus like Classics, Thermo and a few 6x6 variants. We had 36 finishers and 503 non-zero scores, which is kind of reflective of the objective.
As an author, what I liked the most about this round is that almost all the high-pointers we created, we were able to put some interesting deductions. For example, the diagonal had an interesting 14 pair on the main diagonal, the extra region had two additional extra regions than the ones already shaded, the 6x6 odd-even had 2 x-wings and so on. Kudos to my co-authors -- Arun and Kumaresan sir for the amazing sudokus!
Lastly, I would like to mention that while creating sudokus for the round, we felt that the overall difficulty of the round was higher than we wanted it to be. So, we made the 9x9 Thermo easier than it originally was, to have a balanced round. If you wish to solve the original Thermo sudoku, visit: https://letssudoku.blogspot.com/2023/02/sudoku-90-thermo-sudoku.html
Looking forward to SM round 2 by an amazing group of authors!
@ 2023-02-06 12:01 PM (#31260 - in reply to #31221) (#31260) Top

chocchip37



Posts: 7

Country : Australia

chocchip37 posted @ 2023-02-06 12:01 PM

Just solved the original thermo from your blog; it took me 10 minutes and did feel slightly trickier than the 9x9 thermo during the contest, but given how difficult some of the other puzzles were, having an easier version for the 9x9 thermo makes sense.
Standard & Odd Even - 20th - 26th Jan 2023 - Sudoku Mahabharat & ISC Qualifier 202322 posts • Page 1 of 1 • 1
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