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Mean Minis (2020) Author
Posts: 774
  
Location: India | Based on the inputs in this thread, we found that the hardest puzzle indeed gets eliminated for a majority. In effect, it is true that the hardest puzzle has minimal say in the rankings, especially near the top of the standings. So we are coming up with a revised structure for points table as below. Do share your thoughts on this. This uses the easiest puzzle as a reference. We'll review post-marathon if this addresses the problem or not. (Changes are in red)
2015 Points StructureCompared to 2014,
Similarity :
1) Fixed points (50) if the puzzle is solved.
2) Variable Bonus points if the puzzle is solved within 60 minutes.
3) The bonus point is normalized (so the bonus point has a maximum limit)
4) A player's bonus is dependent on his Rank and on his solving time.
Difference :
1) The number of "bonus-getters" in the easiest puzzle will be used as the basis for all ten puzzles, for variable bonus.
DETAILS
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There are 3 score components if a puzzle is solved correctly.
1) Fixed: 50 points (the player will get this even if you start it on 6th and finish on 15th)
2) Rank Bonus:
The top ranked player for the particular puzzle gets 25 points.
Every other player who has solved the puzzle within 60 minutes, gets 25 * (N + 1 - player's rank) / N
where N is total number of players who have solved the easiest puzzle within 60 minutes.
3) Solving Time Bonus:
The best player for the particular puzzle gets 25 points.
Lets say, Number of players who solved a puzzle in less than 60 minutes is C.
Case 1: C <= N/2: (Harder puzzles)
- A linear distribution between 25 and 25 * (1 - C/N) will be used between the fastest solver and the last player with bonus, based on solving time.
- Highest bonus =25
- Lowest bonus = 25 * (1 - C/N)
Case 2: C > N/2: (Easier puzzles)
- A linear distribution between 25 and 12.5 between the fastest solver and the (N/2) th player, based on solving time.
- And, a linear distribution between 12.5 and 25 * (1 - C/N) between the (N/2) th player and the last player with bonus, based on solving time.
- Highest bonus =25
- Lowest bonus = 25 * (1 - C/N)
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Posts: 18
Location: India | I am not able to understand the difference between:
1. The top ranked player for the particular puzzle; and
2. The best player for the particular puzzle |
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Mean Minis (2020) Author
Posts: 774
Location: India | Yajendra - 2015-03-05 3:58 PM
I am not able to understand the difference between:
1. The top ranked player for the particular puzzle; and
2. The best player for the particular puzzle No difference. They are the same. |
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Posts: 18
Location: India | That means 100 is the maximum score a person gets (by the person who solves fastest correctly) : 50+25+25. Am I getting it right? |
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Mean Minis (2020) Author
Posts: 774
Location: India | Yajendra - 2015-03-05 4:07 PM
That means 100 is the maximum score a person gets (by the person who solves fastest correctly) : 50+25+25. Am I getting it right?
Absolutely. |
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Location: India | Answer KeysIf any row/column/cell has a double or triple digit answer key, only the unit (right-most digit) digit
should be entered. (This rule is applicable to all puzzles except Statue Park and Summon).
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Posts: 187
Location: New Zealand | rakesh_rai - 2015-03-06 3:40 AM
So we are coming up with a revised structure for points table as below. Do share your thoughts on this.
It looks much improved, Rakesh, thank you.
Good luck everyone, have fun! |
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Location: India | Puzzle Marathon 2015 has startedPuzzle Marathon has started. 7 puzzles are available now.
Submission page has details about each puzzle (size / relative difficulty / author ).
The puzzles are sorted based on relative difficulty (i.e. easiest puzzles at top & most difficult puzzles at the bottom ).
As it happens in many cases, difficulty is a matter of perception and preference. So your experience may differ.
The remaining 3 puzzles will be uploaded soon.
Good Luck all !!
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Posts: 2
Location: Thailand | Where is the puzzle? I can't find it |
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Location: India | natapi - 2015-03-06 5:41 AM
Where is the puzzle? I can't find it
Click on  on each puzzle to download the pdf.
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SM 2020 (Math) Author
Posts: 419
Location: India | I took my printout of Fillomino and there are absolutely no grid lines in between except on the borders....Now I need to draw lines with a scale in between |
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Location: India | Fillomino pdf
A 2-page puzzle pdf has been uploaded for Fillomino - one page with dotted lines and the other with solid lines.
You can use any of them for solving as per your convenience.
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SM 2020 (Math) Author
Posts: 419
Location: India | Administrator - 2015-03-06 3:10 PM
Fillomino pdf
A 2-page puzzle pdf has been uploaded for Fillomino - one page with dotted lines and the other with solid lines.
You can use any of them for solving as per your convenience.
I would advise the LMIans to prefer the one with the solid lines as my printer had a problem with the former and completely missed printing the dotted lines in between.I would stop myself short here by saying that the Fillomino puzzle by itself is absolutely delightful and perfect!!!Good luck to all! |
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Posts: 8
Location: Greece | Fillomino seems to suffer the slightest ambiguity at the very end, and not affecting the key (unless I somehow messed up): R13C2 and R13C3 contain some permutation of 20,1. |
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Mean Minis (2020) Author
Posts: 774
Location: India | term - 2015-03-06 7:24 PM
Fillomino seems to suffer the slightest ambiguity at the very end, and not affecting the key (unless I somehow messed up): R13C2 and R13C3 contain some permutation of 20,1.
R13C2 and R13C3 have no ambiguity. |
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Posts: 30
Location: United States | Why is Hidoku listed with 4 players when it hasn't been uploaded yet?
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Posts: 59
Location: United States | Is there anyway to give up on a puzzle once started? I am finding the Nurikabe impossible to solve logically (certainly not "easy") and trial and error is not much fun. |
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Posts: 59
Location: United States | Finally got it after a lot of erasing. I guess I'm used to Nikoli nurikabes that never seemed that hard. Need to figure out new theorems or guess better. |
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Location: India | brecher92 - 2015-03-07 2:28 AM
Why is Hidoku listed with 4 players when it hasn't been uploaded yet?
Just our internal testing
bob - 2015-03-07 3:22 AM
Is there anyway to give up on a puzzle once started? After 1 hour is over, you click on "Refresh Status" on the submission page or refresh the whole browser. You should be able to start new one.
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Location: India | All puzzles availableHidoku, Summon and Scrabble Loop are also available to solve now.
Good Luck all !!
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Posts: 18
Location: Germany | So far (3 solved, no bonus points ;-) ) very nice experience!!! |
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Posts: 67
Location: France | It's half-time for me (5 puzzles solved). This contest is always so interesting.
A question about the results : because of the calculation, it is not possible to have the complete score, with bonus, before the competition ends, but we could see the problems solved, the time used... Is this "the results that will be available soon ?" |
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Posts: 172
Location: ITALY | I can't see the results, do I have a problem or is it the same for all?
Edited by forcolin 2015-03-08 6:52 AM
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Location: India | Puzlifouk - 2015-03-08 6:45 AM
It's half-time for me (5 puzzles solved). This contest is always so interesting.
A question about the results : because of the calculation, it is not possible to have the complete score, with bonus, before the competition ends, but we could see the problems solved, the time used... Is this "the results that will be available soon ?"
forcolin - 2015-03-08 6:50 AM
I can't see the results, do I have a problem or is it the same for all?
Score page is now available. Please note, the bonus computation is not corrected (updated as per this year's rule) yet. It will be corrected some time soon.
Link, as usual, http://logicmastersindia.com/2015/03P/score.asp . You can only view the scores of puzzles that you have solved. |
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Location: India | Congratulations to Rubben and Nikola for completing all 10 puzzles. |
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WSPC 2017 • Schedule • Participation • Location • WSC • WPC • Contact •Search •Recent
Puzzle Marathon 2015 - LMI March Puzzle Test - 6th to 15th March
