Divisions A and B 2020-2021

Information and discussion on Puzzle Competitions
pinkagape
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Divisions A and B 2020-2021

Post by pinkagape » Sun 18 Oct, 2020 7:42 pm

Divisions A and B both have the same puzzle sets in 2020-2021. Each Division has X competitors, and in each round, the winner gets X credits, second place gets X-1 credits and so on. Players who do not compete in a round receive 0 credits. The winner of a division is promoted, and the last place finisher will be relegated.

Specific dates for each round will be added when they are released by the corresponding bodies.

29th January to 1st February - WPF Puzzle Grand Prix
5th to 10th February - LMI Puzzle Ramayan
15th - 20th March - Puzzle Duel contest
2nd to 7th April - LMI Puzzle Ramayan
21st to 24th May - WPF Puzzle Grand Prix
18th to 21st June - WPF Puzzle Grand Prix

The March competition will involve the website http://www.puzzleduel.club and will combine the times for a week's worth of puzzles. More details will be given closer to the time.
Last edited by pinkagape on Tue 05 Jan, 2021 7:41 pm, edited 3 times in total.

detuned
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Re: Divisions A and B 2020-2021

Post by detuned » Sun 18 Oct, 2020 11:47 pm

I'm not taking this super-seriously (for example I probably won't take part in the LMI contests), so by all means please don't act just on the basis of me, but...

The Puzzle Duel interface is mouse only, and it is singularly awful because of that. I think I'm OK at it and probably have a slight advantage over other solvers when using it, but I don't think it's the best thing to be using for a competition.

detuned
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Re: Divisions A and B 2020-2021

Post by detuned » Mon 19 Oct, 2020 12:03 am

On the subject of LMI (and here I'm leaving aside my personal grievances) - from a competition point of view it is not clear what is going to happen next year when Flash becomes totally obsolete. They may not even have a functioning competition engine!

pinkagape
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Re: Divisions A and B 2020-2021

Post by pinkagape » Mon 19 Oct, 2020 5:53 pm

Thanks Tom. We’ll watch this space with regards to LMI then.

Regarding Puzzle Duel, I don’t see an issue with giving everyone the same solving medium. After a very interesting discussion about writing speeds and notations, I like the idea of levelling that particular playing field. If it doesn’t work well, we can change it for 2021-2022.

Feadoor
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Re: Divisions A and B 2020-2021

Post by Feadoor » Mon 19 Oct, 2020 6:39 pm

pinkagape wrote:
Mon 19 Oct, 2020 5:53 pm
Regarding Puzzle Duel, I don’t see an issue with giving everyone the same solving medium. After a very interesting discussion about writing speeds and notations, I like the idea of levelling that particular playing field. If it doesn’t work well, we can change it for 2021-2022.
It's only level if I go out and buy a mouse.

pinkagape
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Re: Divisions A and B 2020-2021

Post by pinkagape » Mon 19 Oct, 2020 6:51 pm

That is a very fair point. I’ll have a think.

pinkagape
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Re: Divisions A and B 2020-2021

Post by pinkagape » Tue 20 Oct, 2020 6:56 pm

Hi

I’ve just tried to use Puzzle Duel on a tablet and a laptop and it seemed fine. Is that because it was a loop puzzle? Where is the issue?

Feadoor
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Re: Divisions A and B 2020-2021

Post by Feadoor » Tue 20 Oct, 2020 8:19 pm

I haven't used the site so this is pure speculation, but my intuitive feeling is that anyone with a mouse is likely to be able to make accurate movements significantly more quickly than me using a trackpad.

detuned
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Re: Divisions A and B 2020-2021

Post by detuned » Wed 21 Oct, 2020 2:29 pm

pinkagape wrote:
Tue 20 Oct, 2020 6:56 pm
Hi

I’ve just tried to use Puzzle Duel on a tablet and a laptop and it seemed fine. Is that because it was a loop puzzle? Where is the issue?
Try a shading puzzle - awkward but doable, there’s no dragging so you have to click every cell. Definitely favours those with good mouse work.
Try an object placement puzzle - definitely getting annoying
Try a number placing puzzle - practically unusable.

Puzzle_Maestro
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Re: Divisions A and B 2020-2021

Post by Puzzle_Maestro » Wed 21 Oct, 2020 4:00 pm

It seems to me that the Puzzleduel interface is designed to be mobile-friendly to an extent - at least that would explain the rather clumsy number placement input. Though not having a mouse would certainly be a disadvantage, even if only a small one.

Solving in any online interface tends to imbalanced in some way or another: there will always be some people which have much more experience with it than others. And this is not based on mouse proficiency only: you may be extremely adapted to a particular interface but completely unadapted to another. Ultimately the difference made isn’t large, but it is perceptible.

detuned
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Re: Divisions A and B 2020-2021

Post by detuned » Sat 24 Oct, 2020 9:48 am

Hmmm...I have to say I’d not considered the mobile aspect. I tried puzzle duel on my phone and it did feel like a better experience compared to laptop/mouse. I suspect that’s because I’ve got no baseline experience to compare to on mobile. I would say that, without any exaggeration, the sudoku on puzzle duel take me 2-3x longer than they otherwise would with keyboard and mouse available, whereas solving sudoku on a phone is something I just don’t do.

Anyhow, if for no other reason than that I think I’ll stick to mobile for puzzle duel from now on.

pinkagape
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Re: Divisions A and B 2020-2021

Post by pinkagape » Wed 16 Dec, 2020 7:52 pm

A quick message to highlight that the Puzzle Grand Prix dates have been announced, and switched in for the first round due to Puzzle Ramayan being slower to announce their dates.

pinkagape
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Re: Divisions A and B 2020-2021

Post by pinkagape » Tue 02 Feb, 2021 7:55 pm

Hi everyone

Division B looks to have a runaway leader, but the scoring system allows for easier catching up as the margin of Sam's win only equates to a single point in this format.

Showing Division B competitors only:

1st - Sam Cappleman-Lynes - 571 points
2nd - Emma McCaughan - 340 points
3rd - Michael Collins - 323 points
4th - Roderick Grafton - 291 points
5th - AJ Moore - 244 points

If anyone successfully appeals their score, please let me know and I'll update it.

Image

The next round happens to be this weekend (5th - 9th February) but LMI haven't published the IB yet. I'll post it as soon as I find it (or anyone else can if they see it before I do).

pinkagape
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Re: Divisions A and B 2020-2021

Post by pinkagape » Tue 02 Feb, 2021 7:58 pm

Freddie's fantastic performance gets him full credits in Round 1 of Division A.

Showing just Division A competitors:

1st - Freddie Hand - 752 points
2nd - Neil Zussman - 577 points
3rd - Adam Bissett - 484 points
4th - Tom Collyer - 423 points
5th - Matthew White - 341 points

Image

David didn't appear to play this round. Hopefully he'll have a go at the Puzzle Ramayan this weekend.

pinkagape
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Re: Divisions A and B 2020-2021

Post by pinkagape » Wed 03 Feb, 2021 8:17 pm

IB is finally live.

Slitherlink
Masyu
Country Road
Round Trip
Ripple Loop
Regional Yajilin
Masyu – All Cells
Slitherlink – S & W

detuned
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Re: Divisions A and B 2020-2021

Post by detuned » Wed 03 Feb, 2021 9:49 pm

Adam - it may well be worth checking to see if David is test solving the GP.

I won't be taking part in the PR.

Adam - re the Puzzle Duel contest, I have been playing along anonymously on the website for quite a while now, and I'm not sure I'm ready to out myself just yet (not that I'm doing that well, or that I think it's that hard to work out which identity is mine). Is there a way I can keep my results between you and me?

pinkagape
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Re: Divisions A and B 2020-2021

Post by pinkagape » Thu 04 Feb, 2021 5:20 am

Thanks Tom. That’s all useful to know. I will send you a PM.

pinkagape
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Re: Divisions A and B 2020-2021

Post by pinkagape » Wed 10 Feb, 2021 8:38 pm

Round 2 is now finished for Division B

It looks like people found this round quite difficult.

1st - Sam Cappleman-Lynes 87.6 points
2nd - Roderick Grafton - 38 points
3rd - Emma McCaughan - 33 points
4th - AJ Moore - 13 points

There were some impressive performances from Division C competitors, notable Jeffery DIck who finished in fifth in the UK and would have been third in Division A!

The current Division B table is as follows:

Image

Round 3 is 15th to 20th March on www.PuzzleDuel.club - more details will be released regarding scoring, but basically the round will be about completing the daily puzzles as quickly as possible.
Last edited by pinkagape on Thu 11 Feb, 2021 12:32 pm, edited 2 times in total.

pinkagape
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Re: Divisions A and B 2020-2021

Post by pinkagape » Wed 10 Feb, 2021 8:42 pm

Round 2 is also finished for Division A

Freddie finished in a blistering time and will need to give us all tips because I'm still struggling through about 5 of the puzzles days later.

1st - Freddie Hand - 155.62 points
2nd - Neil Zussman - 100.9 points
3rd - Adam Bissett - 48 points
4th - David McNeill - 44 points
5th - Matthew White - 43.5 points

The current Division A table is as follows:

Image

Round 3 is 15th to 20th March on www.PuzzleDuel.club - more details will be released regarding scoring, but basically the round will be about completing the daily puzzles as quickly as possible.

Puzzle_Maestro
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Re: Divisions A and B 2020-2021

Post by Puzzle_Maestro » Wed 10 Feb, 2021 9:06 pm

Yeah, this was a surprisingly tricky round. There were a few low-pointer puzzles with relatively advanced deductions, most notably the first slitherlink and regional yajilin.

mwhite
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Re: Divisions A and B 2020-2021

Post by mwhite » Wed 10 Feb, 2021 9:19 pm

I'm quite impressed you're still trying them Adam - mine have gone in the drawer for 'future review' as I didn't want to look at another loop for quite some time to come...

david mcneill
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Re: Divisions A and B 2020-2021

Post by david mcneill » Wed 10 Feb, 2021 9:30 pm

Well done Freddie and Neil. I hate loop puzzles and this was one of the most miserable experiences I have had in a long time. Like Adam and Matthew, I have no idea what is going on with a lot of the puzzles. Some I only solved by pure luck e.g. the funny Country Road one. The remaining puzzles are in the bin.

Puzzle_Maestro
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Re: Divisions A and B 2020-2021

Post by Puzzle_Maestro » Wed 10 Feb, 2021 9:35 pm

I’d be interested to know which puzzles people had difficulty with; slitherlink 1 and 3 could have caused trouble (13 pattern/diagonal interactions) and the parity deduction in the first regional yajilin too (must be an even number of shaded cells so unclued region has one shaded). But the others seemed relatively fine to me.

Feadoor
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Re: Divisions A and B 2020-2021

Post by Feadoor » Wed 10 Feb, 2021 9:36 pm

Puzzle_Maestro wrote:
Wed 10 Feb, 2021 9:06 pm
Yeah, this was a surprisingly tricky round. There were a few low-pointer puzzles with relatively advanced deductions, most notably the first slitherlink and regional yajilin.
By "first Slitherlink" do you mean the first of the S&W ones? Because I had no problem with the standard ones but that S&W killed me. The first Regional Yajilin was very cute though.

No other puzzles were problematic for me. My biggest problem was in getting the answer keys correct! And the fact that my time ran out _while_ entering the key for the last puzzle...

Puzzle_Maestro
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Re: Divisions A and B 2020-2021

Post by Puzzle_Maestro » Wed 10 Feb, 2021 9:40 pm

I meant the classic slitherlink - I heard from some people that the first took longer than either of the other two - but come to think of it, I did struggle with the first S & W. Second one felt much easier to me.

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