UKPA Open Sudoku and Puzzle Tournament 2017

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UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Fri 10 Feb, 2017 12:24 am

The instruction booklets and schedule for the UKPA Open Sudoku and Puzzle Tournaments 2017 have now been published.

If anyone else would like to take part then we still have some availability, please do not hesitate to contact me at liane@ukpuzzles.org . Further information can be found at: http://www.ukpuzzles.org/ukopen_2017.php .

If anyone has any queries regarding any of the puzzles, please post your queries on this thread and we’ll endeavour to answer them as quickly as possible. Please identify the round/puzzle in your query.

We are indebted to the fantastic puzzle authors from around the world who once again have created some wonderful puzzles for this competition – without them this would not be possible.
Sudoku authors are: Zuzana Hromcová, Sakai Minako, Vladimir Portugalov, Martina Prinerova, Richard Stolk and Puzzler Media.
Puzzle authors are (by round): Serkan Yürekli and his students: Ahmet Kaan Aydin, Alp Erem, Batu Göyer, Bersu Berker, Cumhur Aygar, Ece Sonar, Efe Alan, Ekin Akoğuz, İlay Zehra Senay, Kaan Giray Buzluk, Kubilay Berkant Simsek, Mustafa Koyuncu, Mücahit Erdoğan Ünlü, Ozan Kaya, Serdar Sungun, Utku Eren Akbaba and Yunus Emre Büyükkale; Matej Uher; Bram de Laat, Faith Kamer Anda and Nikola Živanović.
Similarly, thanks goes to the test solvers. They are: Esra Aydemir, Fatih Kamer Anda, Zuzan Hromcová, Yuhei Kusui,Bram de Laat, James McGowan, Martina Prinerova, Matej Uher and Nikola Živanović.

If anyone completes a round early then five bonus points per full minute saved will be awarded if all puzzles are solved correctly. If there is one small mistake then half bonus will be awarded.

There is one small clarification on the Star Battle Puzzles in Puzzle Round 1 – all puzzles will have 2 stars per row, column and region.
In addition to the main prizes we have special awards for the best International competitor, best Newcomer and best O45.

If anyone has any special dietary requirements that I’m not aware of please can you let me know.

If anyone is only registered to take part in the Sudoku Tournament they will be more than welcome to stay and take part in the first round of the Puzzle Tournament – please let me know so that I can ensure I will have enough puzzle booklets available.
Attachments
Instruction Booklet 2017 - Sudoku Round 4.pdf
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Instruction Booklet - Puzzle Round 1 - UKPA Open 2017.pdf
(163.59 KiB) Downloaded 152 times
Instruction Booklet - Puzzle Round 2 - UKPA Open 2017.pdf
(237.33 KiB) Downloaded 129 times
Instruction Booklet - Puzzle Round 3 - UKPA Open 2017.pdf
(295.08 KiB) Downloaded 190 times
Instruction Booklet - Puzzle Round 4 - UKPA Open 2017.pdf
(272.99 KiB) Downloaded 149 times
Instruction Booklet - Puzzle Round 5 - UKPA Open 2017.pdf
(166.41 KiB) Downloaded 200 times
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Fri 10 Feb, 2017 8:47 am

The remaining three Sudoku files are here along with the schedule. I hadn't noticed that they hadn't attached earlier.
Attachments
Schedule2017.pdf
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Instruction Booklet 2017 - Sudoku Round 1.pdf
(102.3 KiB) Downloaded 169 times
Instruction Booklet 2017 - Sudoku Round 2.pdf
(465.19 KiB) Downloaded 180 times
Instruction Booklet 2017 - Sudoku Round 3.pdf
(467.91 KiB) Downloaded 168 times
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Sat 11 Feb, 2017 8:39 am

There is likely to be an extra puzzle round so the finish time of the tournament may be slightly later than originally planned. I will publish updated information once confirmed.
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Sun 12 Feb, 2017 1:59 pm

Clarification on Puzzle Round 1 - Minesweeper Puzzles - The sentence "Also, an even number of mines must be placed in each row and in each column." should be deleted as it is not applicable.
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby detuned » Sun 12 Feb, 2017 5:16 pm

2 Fortress Sudoku :(
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby Fred76 » Sun 12 Feb, 2017 6:31 pm

detuned wrote:2 Fortress Sudoku :(


:mrgreen:
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby detuned » Sun 12 Feb, 2017 6:51 pm

I can solve them fine usually, just not in a competition. it's bizarre! And 80/290 points is quite a lot for one of them :(
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Mon 13 Feb, 2017 7:56 am

Fred76 wrote:
detuned wrote:2 Fortress Sudoku :(


:mrgreen:


... thoughts for next year...mmmmn, how about a full round of them? Somehow I think I'd get lynched.
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby drsteve » Mon 13 Feb, 2017 4:06 pm

A question on Puzzles Round 3

Are the Arrows puzzles both ones with only one square around the grid? Or could there be a two square boundary (sometimes called Double Arrows, iirc)? Or is it a surprise?
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Mon 13 Feb, 2017 5:29 pm

drsteve wrote:A question on Puzzles Round 3

Are the Arrows puzzles both ones with only one square around the grid? Or could there be a two square boundary (sometimes called Double Arrows, iirc)? Or is it a surprise?


Both are a single line of arrows round the boundary as the example.
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby david mcneill » Thu 16 Feb, 2017 9:37 am

Struggling a bit with Puzzle Round 2. Will the thermometers in puzzle 3 be in grey? They are currently too dark and obscure the solver's pencil marks.

Can we assume in puzzle 4, that every cell will be used?

The rules for puzzle 6 are totally unclear. The example has several wrong numbers. As in puzzle 3, the dashed lines are much too dark and obscure the solvers' pencil marks, particularly the Hashi lines. Not fun.
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Thu 16 Feb, 2017 9:44 pm

david mcneill wrote:Struggling a bit with Puzzle Round 2. Will the thermometers in puzzle 3 be in grey? They are currently too dark and obscure the solver's pencil marks.

Can we assume in puzzle 4, that every cell will be used?

The rules for puzzle 6 are totally unclear. The example has several wrong numbers. As in puzzle 3, the dashed lines are much too dark and obscure the solvers' pencil marks, particularly the Hashi lines. Not fun.


Apologies for taking so long to reply here. I'll double check that the thermometers won't be too dark.

Yes all cells in puzzle 4 will be used (unlike puzzle 6 where there will be some that will remain empty). No excuse for the bad example for puzzle 6. I have redrawn it here. I will double check that the lines in the puzzle are okay.
Instructions: numbers in circles are Hashi clues and numbers not in circles are Four Winds clues as per the two earlier puzzles. Lines from the two puzzle types must not cross each other.
Attachments
R2P6E.PNG
R2P6E.PNG (6.15 KiB) Viewed 3945 times
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby david mcneill » Fri 17 Feb, 2017 8:08 am

Thanks Liane. That's much better.

The rules are still unclear to me but my interpretation ensures a unique solution. Let's hope I have it right.
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Fri 17 Feb, 2017 9:43 am

Unfortunately the extra round for the puzzle tournament will not be included so we will be sticking with the original schedule.
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Sun 19 Feb, 2017 12:46 pm

Please remember that the competition booklets will not have copies of examples in them - as a result, it will be beneficial for you to have your instruction booklets to hand.

A couple of amended instruction booklets for the puzzle tournament attached here.

Round 1 - Includes the corrections to the instructions mentioned earlier - i.e. all star battle puzzles will have two stars per row, column and region and the error on the minesweeper instructions has been removed.

Round 2 - Includes the correct example and amended rules for puzzle 6.
Attachments
Instruction Booklet - Puzzle Round 1 - UKPA Open 2017.pdf
(146.91 KiB) Downloaded 92 times
Instruction Booklet - Puzzle Round 2 - UKPA Open 2017.pdf
(300.09 KiB) Downloaded 100 times
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby drsteve » Wed 22 Feb, 2017 4:04 pm

Just one more question: In Power of Tapa, am I right in understanding that a three number clue is either a power (a^(b^c)) or a 3 digit clue - it can't be one digit and a power.

So, for example 2 1 3 is either just 2 or 2 1 3, it can't be 2 1 or 2 3 (from 2 & 1^3 or 2^1 & 3). Pretty sure that's what the rules state, but just after a clarification.
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Wed 22 Feb, 2017 8:51 pm

drsteve wrote:Just one more question: In Power of Tapa, am I right in understanding that a three number clue is either a power (a^(b^c)) or a 3 digit clue - it can't be one digit and a power.

So, for example 2 1 3 is either just 2 or 2 1 3, it can't be 2 1 or 2 3 (from 2 & 1^3 or 2^1 & 3). Pretty sure that's what the rules state, but just after a clarification.


You are correct - each clue is either a power OR a multi-number clue not a mix within a clue.
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Sat 25 Feb, 2017 5:47 pm

The Sudoku Tournament is now over and round one of the Puzzle Tournament currently underway.

Congratulations go to our prize winners with Yannick Meyapin from France taking the overall title with Fred Stalder from Switzerland following closely on his heels in 2nd and David McNeill in 3rd also taking the award for the top UK participant. Our best newcomer award went to Matthew White. Further details to follow.
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby PuzzleScot » Wed 01 Mar, 2017 9:24 am

On behalf of all the competitors at the Open...

We are extremely grateful to all the puzzle compilers for their wonderful contributions.

We'd also like to thank David for the puzzle and sudoku team rounds, and Saturday evening quiz night. All were very enjoyable indeed.

The biggest thanks though goes to Liane, for yet again organising another flawlessly prepared and run Open weekend! Thank-you :D
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby puzzlemad » Wed 01 Mar, 2017 9:18 pm

The results for the UKPA Open Sudoku and Puzzle Tournament 2017 are officially announced.
Sudoku:
1st Place: Yannick Meyapin (France), 2nd Place: Fred Stalder (Switzerland), 3rd Place: David McNeill (UK)
Best newcomer: Matthew White (UK)
Puzzle:
1st Place: Neil Zussman, 2nd Place: David McNeill, 3rd place: Tom Collyer
Best newcomer: Matthew White and Best International Competitor Gyorgy Istvan (Hungary)

Congratulations to all the winners.
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Re: UKPA Open Sudoku and Puzzle Tournament 2017

Postby mwhite » Mon 06 Mar, 2017 9:27 am

I just wanted to say what a great time I had at this tournament - I would recommend giving it a go to any 'lurkers' out there. My thanks to all of the regulars who made me feel very welcome, and of course to the puzzle setters and markers and the amazing Liane for making it all happen.
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