TVC XIII — 17th - 19th August
@ 2013-08-12 4:48 AM (#12247) (#12247) Top

Administrator



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Administrator posted @ 2013-08-12 4:48 AM

Tapa Variations Contest XIII

Date: 17th - 19th August 2013

Length: 75+5 minutes

IB and Submission Link : http://logicmastersindia.com/TVC/XIII/
@ 2013-08-13 1:45 AM (#12266 - in reply to #12247) (#12266) Top

swaroop2011




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swaroop2011 posted @ 2013-08-13 1:45 AM

wow looking forward to it
a much awaited.
Infact i will also be waiting for CTC. :)
@ 2013-08-14 11:26 AM (#12298 - in reply to #12247) (#12298) Top

rajeshk




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rajeshk posted @ 2013-08-14 11:26 AM

Looking forward to this test.
One quick question. Will this be LMI rated event?

@ 2013-08-14 12:05 PM (#12301 - in reply to #12298) (#12301) Top

macherlakumar




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macherlakumar posted @ 2013-08-14 12:05 PM

rajeshk - 2013-08-14 11:26 AM
Looking forward to this test.One quick question. Will this be LMI rated event?

If I am not incorrect, this is not LMI rated contest because TVC is an annual contest.

Regards,
Ravi
@ 2013-08-15 12:39 AM (#12318 - in reply to #12247) (#12318) Top

swaroop2011




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swaroop2011 posted @ 2013-08-15 12:39 AM

In Tapa Borderline,
if there are two clues on border then is it necessary that both should go in either of 1 cell or is it possible that each clue go in one cell each ?
@ 2013-08-15 12:48 AM (#12319 - in reply to #12318) (#12319) Top

yureklis



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yureklis posted @ 2013-08-15 12:48 AM

swaroop2011

In Tapa Borderline,
if there are two clues on border then is it necessary that both should go in either of 1 cell or is it possible that each clue go in one cell each ?


Both should go in one cell. Multiple digits are considered as a whole "clue" and they move together.
@ 2013-08-15 1:07 AM (#12320 - in reply to #12247) (#12320) Top

yureklis



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yureklis posted @ 2013-08-15 1:07 AM

@ 2013-08-15 1:07 AM (#12321 - in reply to #12247) (#12321) Top

drsteve



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drsteve posted @ 2013-08-15 1:07 AM

In the rules for Tapa Loop, it states that the loop cannot touch itself - is diagonal touching allowed, as in the example?
@ 2013-08-15 1:19 AM (#12322 - in reply to #12321) (#12322) Top

yureklis



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yureklis posted @ 2013-08-15 1:19 AM

drsteve - 2013-08-15 1:07 AM

In the rules for Tapa Loop, it states that the loop cannot touch itself - is diagonal touching allowed, as in the example?


Actually, before publising IB, I read the instructions, when I got the "touch" in the rules of Tapa Loop, I thought it is not necessary. Because the loop in fact can touch itself. But this "touch" is not that "touch". Tapa Loop "touch" means loop cannot pass through in any cell twice.
@ 2013-08-15 3:10 AM (#12323 - in reply to #12319) (#12323) Top

swaroop2011




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swaroop2011 posted @ 2013-08-15 3:10 AM

yureklis - 2013-08-15 12:48 AM

swaroop2011

In Tapa Borderline,
if there are two clues on border then is it necessary that both should go in either of 1 cell or is it possible that each clue go in one cell each ?


Both should go in one cell. Multiple digits are considered as a whole "clue" and they move together.


ok thanks :)
@ 2013-08-15 9:07 AM (#12326 - in reply to #12322) (#12326) Top

prasanna16391



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prasanna16391 posted @ 2013-08-15 9:07 AM

yureklis - 2013-08-15 1:19 AM


Actually, before publising IB, I read the instructions, when I got the "touch" in the rules of Tapa Loop, I thought it is not necessary. Because the loop in fact can touch itself. But this "touch" is not that "touch". Tapa Loop "touch" means loop cannot pass through in any cell twice.


If that is the case, instead of "cross or touch", "cross or overlap" is probably a more common description as used in other loop types.
@ 2013-08-15 12:22 PM (#12329 - in reply to #12247) (#12329) Top

chaotic_iak




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chaotic_iak posted @ 2013-08-15 12:22 PM

Obligatory practice puzzle for Neanderthal Tapa because this post doesn't have any.
@ 2013-08-16 12:03 AM (#12336 - in reply to #12329) (#12336) Top

prasanna16391



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prasanna16391 posted @ 2013-08-16 12:03 AM

"Fresh" Practice Puzzle from me as well, Tapa [Diagonal Neighbors].
@ 2013-08-16 8:34 PM (#12342 - in reply to #12247) (#12342) Top

chaotic_iak




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chaotic_iak posted @ 2013-08-16 8:34 PM

"All puzzle points will be announced in Friday." Do we get to know it soon?
@ 2013-08-16 8:39 PM (#12343 - in reply to #12342) (#12343) Top

yureklis



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yureklis posted @ 2013-08-16 8:39 PM

chaotic_iak - 2013-08-16 8:34 PM

"All puzzle points will be announced in Friday." Do we get to know it soon?


Probably 2-3 hours later
@ 2013-08-17 1:47 AM (#12346 - in reply to #12247) (#12346) Top

Administrator



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Country : India

Administrator posted @ 2013-08-17 1:47 AM

PuzzlePoints
1. Tapa LOGIC120
2a. Neanderthal38
2b. Neanderthal89
3. Tapa Islands108
4. Make Room for Pentapa69
5a. Pata39
5b. Pata117
6. Tapa Borderline42
7a. Tapa Loop45
7b. Tapa Loop57
8a. Tapa [Diagonal Neighbors]60
8b. Tapa [Diagonal Neighbors]81
9. Tapa Hamle99
10. No Squares Tapa36

Announcements

Password protected puzzle has 11 pages (including a cover page with points table)
Time bonus will be computed after you click 'Claim Bonus'
Penalty will be given irrespective of correctness of submission



Contest Length : 75 minutes
Total Points : 1000
Bonus : 3 points per minute saved (Computed upto seconds)
Grace Period : 5 minutes
Penalty : 5 points per minute used (Computed upto seconds)


@ 2013-08-17 2:06 AM (#12347 - in reply to #12346) (#12347) Top

Administrator



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Administrator posted @ 2013-08-17 2:06 AM

TVC Start time

Please note TVC will start (and end) 3 hours later than usual LMI tests timings. Please check the submission page for exact timing in your timezone.

@ 2013-08-17 6:19 AM (#12348 - in reply to #12247) (#12348) Top

RALehrer



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RALehrer posted @ 2013-08-17 6:19 AM

For Tapa islands, may the islands touch each other diagonally?
@ 2013-08-17 7:18 AM (#12349 - in reply to #12348) (#12349) Top

yureklis



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yureklis posted @ 2013-08-17 7:18 AM

RALehrer - 2013-08-17 6:19 AM

For Tapa islands, may the islands touch each other diagonally?


Yes, islands can touch diagonally.
@ 2013-08-17 7:39 AM (#12350 - in reply to #12247) (#12350) Top

yureklis



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yureklis posted @ 2013-08-17 7:39 AM

One minor note:

For TAPA LOGIC; the current puzzle will have different letter set
@ 2013-08-17 3:15 PM (#12352 - in reply to #12247) (#12352) Top

Administrator



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Administrator posted @ 2013-08-17 3:15 PM

Temporary score page : http://logicmastersindia.com/TVC/XIII/score.asp (Feedback page is not enabled yet)
@ 2013-08-18 8:26 AM (#12358 - in reply to #12247) (#12358) Top

Para



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Para posted @ 2013-08-18 8:26 AM

Stupid cell. Why'd I colour you? And why exactly there? Thanks for the puzzles Serkan. I had fun, except for a horrible false start on the first Pata.

ps. Palmer, dial it back a little.
@ 2013-08-18 10:13 AM (#12359 - in reply to #12247) (#12359) Top

rajeshk




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rajeshk posted @ 2013-08-18 10:13 AM

One question on Tapa Islands
Instructions says that "each separate area MAY contain at most one clue cell". Does this mean that there may be some Island area without any clue cell?
@ 2013-08-18 2:15 PM (#12361 - in reply to #12359) (#12361) Top

rajeshk




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rajeshk posted @ 2013-08-18 2:15 PM

yureklis - 2013-08-18 11:00 AM

rajeshk - 2013-08-18 10:13 AM

One question on Tapa Islands
Instructions says that "each separate area MAY contain at most one clue cell". Does this mean that there may be some Island area without any clue cell?


No, each island should have one clue cell. MAY should be changed to Should in the instruction.


Thanks for quickly clarifying this.
@ 2013-08-18 7:14 PM (#12362 - in reply to #12361) (#12362) Top

ksun48



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ksun48 posted @ 2013-08-18 7:14 PM

Wait, I thought islands could have no clue cell? When I solved it logically, I got at least one island that had no clue cell in it?
@ 2013-08-18 8:12 PM (#12363 - in reply to #12359) (#12363) Top

yureklis



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yureklis posted @ 2013-08-18 8:12 PM

rajeshk
One question on Tapa Islands
Instructions says that "each separate area MAY contain at most one clue cell". Does this mean that there may be some Island area without any clue cell?


I'm sorry, I made a terrible mistake when replying to this. I was very sleepy and confused in the morning.

Your assumption is right, there may be islands without clues. Sorry again.
@ 2013-08-18 9:24 PM (#12364 - in reply to #12363) (#12364) Top

rajeshk




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rajeshk posted @ 2013-08-18 9:24 PM

yureklis - 2013-08-18 8:12 PM

rajeshk
One question on Tapa Islands
Instructions says that "each separate area MAY contain at most one clue cell". Does this mean that there may be some Island area without any clue cell?


I'm sorry, I made a terrible mistake when replying to this. I was very sleepy and confused in the morning.

Your assumption is right, there may be islands without clues. Sorry again.


In that case does the example has multiple solutions e.g. if R1C2 is blackened and R1C6, R2C6 are made white (part of Island)?
@ 2013-08-18 9:47 PM (#12365 - in reply to #12364) (#12365) Top

MellowMelon



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MellowMelon posted @ 2013-08-18 9:47 PM

Don't forget the single numbers are both Tapa clues and island clues. You've broken the 6 as a Tapa clue with that tweak.
@ 2013-08-18 11:35 PM (#12367 - in reply to #12365) (#12367) Top

rajeshk




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rajeshk posted @ 2013-08-18 11:35 PM

MellowMelon - 2013-08-18 9:47 PM

Don't forget the single numbers are both Tapa clues and island clues. You've broken the 6 as a Tapa clue with that tweak.


Yes, I overlooked that one. Thanks for explaining it.
@ 2013-08-20 2:18 AM (#12380 - in reply to #12367) (#12380) Top

prasanna16391



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prasanna16391 posted @ 2013-08-20 2:18 AM

Argh, I actually solved the second Tapa loop in record time intuitively, but just couldn't make it to submit! Wonderful puzzles. Beautiful usage of the Diagonal Neighbors constraints. Pleasantly surprised by my ranking.
@ 2013-08-20 3:15 AM (#12381 - in reply to #12247) (#12381) Top

zachpuzzle



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zachpuzzle posted @ 2013-08-20 3:15 AM

What did I do wrong... I am probably being really stupid right now...



(arghh.PNG)



Attachments
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Attachments arghh.PNG (20KB - 0 downloads)
@ 2013-08-20 3:26 AM (#12382 - in reply to #12381) (#12382) Top

prasanna16391



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prasanna16391 posted @ 2013-08-20 3:26 AM

zachpuzzle - 2013-08-20 3:15 AM

What did I do wrong... I am probably being really stupid right now...


Around the middle left. The "+" of the +11 clue to the extreme left is where you can change things. Think vertical
@ 2013-08-20 10:36 AM (#12385 - in reply to #12247) (#12385) Top

Administrator



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Administrator posted @ 2013-08-20 10:36 AM

TVC XIII is now over and score page is now public.
Password removed from puzzle booklet.
@ 2013-08-21 12:54 AM (#12388 - in reply to #12247) (#12388) Top

Puzlifouk



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Puzlifouk posted @ 2013-08-21 12:54 AM

Hi. I am a beginner in puzzles, but I usually manage to take some points... This time I was very disappointed : 0 pts :(

Now I have solved most of the puzzles. But I have a problem with the Tapa Loops. "The loop cannot touch or cross itself." For me, this is not true. For example, in the first puzzle (7a) the loop touch itself 3 times : at the bottom (left) of the 6 et the 7 clues.

This point, and the fact that letters of the "TAPA LOGIC" were not ACGILOPT as announced, but E ? P ? M ? ("PALMER MEBANE" !) were enough to make me doubt, to disturb me, and finally ... 0 pts !
Of course, with some experience, it would have been different. But when you panic because you see the time go... The problem with a wrong rule is : when you finally observe it is not possible to solve the puzzle, you don't know what is the rule which is questionable...
@ 2013-08-21 2:27 AM (#12389 - in reply to #12388) (#12389) Top

yureklis



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yureklis posted @ 2013-08-21 2:27 AM

Puzlifouk - 2013-08-21 12:54 AM

Hi. I am a beginner in puzzles, but I usually manage to take some points... This time I was very disappointed : 0 pts :(

Now I have solved most of the puzzles. But I have a problem with the Tapa Loops. "The loop cannot touch or cross itself." For me, this is not true. For example, in the first puzzle (7a) the loop touch itself 3 times : at the bottom (left) of the 6 et the 7 clues.

This point, and the fact that letters of the "TAPA LOGIC" were not ACGILOPT as announced, but E ? P ? M ? ("PALMER MEBANE" !) were enough to make me doubt, to disturb me, and finally ... 0 pts !
Of course, with some experience, it would have been different. But when you panic because you see the time go... The problem with a wrong rule is : when you finally observe it is not possible to solve the puzzle, you don't know what is the rule which is questionable...


You are mentioning two things: Tapa Loop touching and TAPA LOGIC letters. So we mentioned both of them in this thread. If you had read previous comments, you could see clearly them. So there is no "wrong rule". If there was, no one could solve those puzzles. There were some deficient explanations, but they were compensated with this thread. I'm sorry for your result. I'll focus on the instructions to make them clearer in next TVC's.
@ 2013-08-21 3:22 AM (#12390 - in reply to #12247) (#12390) Top

Puzlifouk



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Puzlifouk posted @ 2013-08-21 3:22 AM

OK, yureklis, thanks for the answer.
I wasn't used to systematically read the threads before a contest, but I note this is necessary.
Afterwards, I took a real pleasure to solve your puzzles. Congratulations, and thanks for your focus on the next instructions :)
@ 2013-08-21 3:24 AM (#12391 - in reply to #12388) (#12391) Top

greenhorn



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greenhorn posted @ 2013-08-21 3:24 AM

Puzlifouk - 2013-08-21 12:54 AM

Hi. I am a beginner in puzzles, but I usually manage to take some points... This time I was very disappointed : 0 pts :(

Now I have solved most of the puzzles. But I have a problem with the Tapa Loops. "The loop cannot touch or cross itself." For me, this is not true. For example, in the first puzzle (7a) the loop touch itself 3 times : at the bottom (left) of the 6 et the 7 clues.


For me, loop is the white thin line, that should be found (drawn) onto the Tapa wall. It means that the black cells (forming a Tapa wall) may touch each other even if they contain nonconsecutive segments of loop.
@ 2013-08-21 7:30 AM (#12392 - in reply to #12247) (#12392) Top

yureklis



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yureklis posted @ 2013-08-21 7:30 AM

Thanks to all participants.

Top three are as follows:

1. Palmer Mebane (USA) [14/14, 47:16 min]
2. Nagata Yuta (Japan) [14/14, 70:58 min]
3. Ulrich Voigt (Germany) [13/14, 61:51 min]

Palmer is continuing to solve Tapa puzzles like Usain Bolt runs :) Many competitors were close to completing the test but they could not succeed because of little mistakes.

- The puzzle solved by least competitors was Tapa Hamle. It was solved by 31 competitors.
- The puzzle solved by most competitors was Neanderthal a. It was solved by 108 competitors.
- The puzzle with the highest rating was Pata b (9.75) and the puzzle with the lowest rating was Tapa Hamle (7.0).

Full results table is here: http://logicmastersindia.com/TVC/XIII/score.asp

For next rounds, the number of puzzles will vary between 14 to 18. Penalty points will increase every round. Types will become more and more unfamiliar. I have something in mind, I don't know if it's possible: After publishing the IB for TVC XIV, there may be a poll for the following ones and some of the types may be decided by the competitors by majority voting.

Please feel free to share any ideas.

Best,

Serkan
@ 2013-08-21 8:07 AM (#12393 - in reply to #12392) (#12393) Top

chaotic_iak




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chaotic_iak posted @ 2013-08-21 8:07 AM

Re poll for future TVCs: If you have sufficient time to collect results and make the puzzles, I don't see why not. Competitive competitors might attempt to pick the variations where they are best at though.