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Posts: 54
Location: United States | Hey Bob. One misinterpretation you're having is that you're allowing empty spaces to occur. The puzzle instructions say that the loop must visit every cell.
The rule I was having trouble with was the horizontal/vertical adjacency stuff...mostly because I overlooked that in my first readthrough. I was originally thinking that it was path adjacent (like ghirsh) and not cell-adjacent. |
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Posts: 25
Location: United Kingdom | The instructions say 'Draw a closed loop that connects the centres of ALL cells horizontally or vertically', so your solution is wrong, namely because there are empty cells. Details like these are very important! |
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Shading and Loops (PR 2016/17) Author
Posts: 64
Location: United States | | What was your opinion of the distribution of easy/hard puzzles? | Just right | | | What did you think about the puzzle quality of the test? | Very nice | | | Which set of puzzles did you like the most? | Transparent Yajilin | | | What was your opinion about the answer key extraction? | Mostly perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
Very nice puzzles! These were all well written. I like Transparent Yajilin a lot and hope it shows up more often.
Favorites:
2 Nurikabe
11 Border Nurikabe
14 Yajilin
16 Ripple Loop
22 Transparent Yajilin |
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Posts: 72
Location: South Korea | | What was your opinion of the distribution of easy/hard puzzles? | Just right | | | What did you think about the puzzle quality of the test? | Very nice | | | Which set of puzzles did you like the most? | Ripple Loop | | | What was your opinion about the answer key extraction? | Mostly perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
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Posts: 9
Location: Hungary | | What was your opinion of the distribution of easy/hard puzzles? | Too many easy puzzles | | | What did you think about the puzzle quality of the test? | Fairly Nice | | | Which set of puzzles did you like the most? | Border Nurikabe | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Many puzzles were worth too much or too little | | | What was your opinion of the booklet formatting and printing? | Just right | |
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PR 2020 (Shading and Loops) Author
Posts: 668
 
Location: India | WA1729 - 2020-03-22 12:40 AM
Very nice puzzles! These were all well written. I like Transparent Yajilin a lot and hope it shows up more often.
Favorites:
2 Nurikabe
11 Border Nurikabe
14 Yajilin
16 Ripple Loop
22 Transparent Yajilin
Thank you. I liked it too, a very interesting set of deductions can be possible in this variant. Hopefully, I will create more puzzles of this type in future. |
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Posts: 22
Location: Germany | | What was your opinion of the distribution of easy/hard puzzles? | Just right | | | What did you think about the puzzle quality of the test? | Very nice | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
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Posts: 139
Location: Estonia | | What was your opinion of the distribution of easy/hard puzzles? | Just right | | | What did you think about the puzzle quality of the test? | Very nice | | | Which set of puzzles did you like the most? | Myopia | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
These were the nicest answer keys I've ever seen in a puzzle competition. |
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Posts: 2
Location: The Netherlands | I really enjoyed the puzzles, though I think I don't get the windows rules completely. Can someone explain why this solution to puzzle 5 isn't valid? (x = shaded, _ is white)
___xxxxx
xx_x____
_xxxxxxx
_x______
_xxxxxx_
_x____x_
xxxx_xxx
_____x__ |
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Mean Minis (2020) Author
Posts: 774
Location: India | Houk13:
In your solution, many given shaded cells are showing as unshaded. (Example R2C7). Did you solve the same puzzle?
Otherwise, it seems a valid windows solution. |
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Posts: 2
Location: The Netherlands | Thanks, I do seem to have made some mistakes copying the puzzle, that explains a lot |
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Posts: 59
Location: United States | Timjamiller - 2020-03-21 9:21 AM
Hey Bob. One misinterpretation you're having is that you're allowing empty spaces to occur. The puzzle instructions say that the loop must visit every cell.
The rule I was having trouble with was the horizontal/vertical adjacency stuff...mostly because I overlooked that in my first readthrough. I was originally thinking that it was path adjacent (like ghirsh) and not cell-adjacent.
Thanks for finding my mistake. Even when re-reading my eyes gloss right over the little word "all" since I am assuming it is a Masyu variation (which it is not). This makes the larger puzzles possible; thanks again. bob |
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Typed Logic Author
Posts: 241
Location: Indonesia | | What was your opinion of the distribution of easy/hard puzzles? | Too many easy puzzles | | | What did you think about the puzzle quality of the test? | Very nice | | | Which set of puzzles did you like the most? | Transparent Yajilin | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
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| | What was your opinion of the distribution of easy/hard puzzles? | Just right | | | What did you think about the puzzle quality of the test? | Very nice | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
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SM 2020 (Math) Author
Posts: 417
Location: India | | What was your opinion of the distribution of easy/hard puzzles? | Just right | | | What did you think about the puzzle quality of the test? | Very nice | | | Which set of puzzles did you like the most? | Nurikabe | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
Great puzzles with a good balance of difficulty.
I had a smooth run until I hit Windows (7) and Border Nurikabe (12).These 2 ate up a sizeable chunk of my time.In the end, I was just extremely lucky to submit the 12 pointer at exactly the last second !!
Thanks Swaroop for a nice puzzle set.Favourites are Nurikabe and Myopia. |
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PR 2020 (Shading and Loops) Author
Posts: 668
Location: India | TiiT - 2020-03-22 5:11 PM
These were the nicest answer keys I've ever seen in a puzzle competition.
Thank you. |
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PR 2020 (Shading and Loops) Author
Posts: 668
Location: India | kishy72 - 2020-03-22 7:10 PM
Great puzzles with a good balance of difficulty.
I had a smooth run until I hit Windows (7) and Border Nurikabe (12).These 2 ate up a sizeable chunk of my time.In the end, I was just extremely lucky to submit the 12 pointer at exactly the last second !!
Thanks Swaroop for a nice puzzle set.Favourites are Nurikabe and Myopia.
Thank you. Made it just in time. Well done. |
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| | What was your opinion of the distribution of easy/hard puzzles? | Too many easy puzzles | | | What did you think about the puzzle quality of the test? | Fairly Nice | | | Which set of puzzles did you like the most? | Transparent Yajilin | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Many puzzles were worth too much or too little | | | What was your opinion of the booklet formatting and printing? | Just right | |
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| | What was your opinion of the distribution of easy/hard puzzles? | Too many easy puzzles | | | What did you think about the puzzle quality of the test? | Very nice | | | Which set of puzzles did you like the most? | Border Nurikabe | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
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Posts: 187
Location: New Zealand | | What was your opinion of the distribution of easy/hard puzzles? | Just right | | | What did you think about the puzzle quality of the test? | Very nice | | | Which set of puzzles did you like the most? | Ripple Loop | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
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Posts: 28
Location: Austria | | What was your opinion of the distribution of easy/hard puzzles? | Just right | | | What did you think about the puzzle quality of the test? | Very nice | | | Which set of puzzles did you like the most? | Border Nurikabe | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
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Posts: 225
Location: Thailand | Nice test, Swaroop.
This goes to show that not all easy puzzles are boring.
A lovely introduction to these types where a lot of existing puzzles written could be impossibly difficuly for newer solvers.
Thanks! |
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| | What was your opinion of the distribution of easy/hard puzzles? | Just right | | | What did you think about the puzzle quality of the test? | Very nice | | | Which set of puzzles did you like the most? | Border Nurikabe | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
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| | What was your opinion of the distribution of easy/hard puzzles? | Just right | | | What did you think about the puzzle quality of the test? | Very nice | | | Which set of puzzles did you like the most? | Border Nurikabe | | | What was your opinion about the answer key extraction? | Perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
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Posts: 55
Location: India | | What was your opinion of the distribution of easy/hard puzzles? | Just right | | | What did you think about the puzzle quality of the test? | Very nice | | | Which set of puzzles did you like the most? | Trio Cut | | | What was your opinion about the answer key extraction? | Mostly perfect answer keys | | | Of the puzzles you solved/attempted, how well did the point values reflect the difficulty? | Most puzzles were worth the right amount | | | What was your opinion of the booklet formatting and printing? | Just right | |
Thanks a lot Swaroop for a near perfect test
Favourites were Ripple Loop set and Trio cut set
Had a lot of time for the Windows but couldnt get them which was quite disappointing
Enjoyed! |
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WSPC 2017 • Schedule • Participation • Location • WSC • WPC • Contact •Search •Recent
Shading and Loops - 20th - 25th Mar 2020 - Puzzle Ramayan & IPC Qualifier 2020
