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Location: India | swaroop2011 - 2011-06-07 9:21 PM
in "LIGHT UP"
is there any restriction on number of bulbs(as not mentioned in rules).
is it like minimum possible bulbs? Come on Swaroop, it is a standard puzzle, with standard instructions. I've no idea why you are confused. |
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PR 2020 (Shading and Loops) Author
Posts: 668
Location: India | hey srry for that but i dont know i was thinking something different at that time.
it's fine now with that. |
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Posts: 44
Location: United States | Hey everyone. Today on The Griddle I posted a new puzzle that may serve as good practice for the masyu-fence puzzle:
Shotgun Slitherlink
In this variation there's one additional twist: all the numeric clues consist of a 2 directly to the left of a 3, to form several instances of "23" throughout the grid. Every place that a 23 can legally be placed in the grid, the clues are given.
I also have additional masyu-fence puzzles (that I call "shotgun slitherlink") on my site which you can find here.
Happy puzzling!
Edited by davmillar 2011-06-08 7:36 PM
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Location: India | Thanks David, I'm sure it will be useful practice to all. |
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WSPC Organizer
Posts: 739
Location: India | Any particular reason puzzles of Round 2 are 20x20? I understand the concept is big grids, but was 20 chosen as a random round figure or does it have any significance? Just for trivia sake... |
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Posts: 175
Location: India | Rohan Rao - 2011-06-08 9:53 PM
Any particular reason puzzles of Round 2 are 20x20? I understand the concept is big grids, but was 20 chosen as a random round figure or does it have any significance? Just for trivia sake... Guesses from others welcome! |
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Posts: 328
Location: India | Organisers - 2011-06-08 10:07 PM
Rohan Rao - 2011-06-08 9:53 PM
Any particular reason puzzles of Round 2 are 20x20? I understand the concept is big grids, but was 20 chosen as a random round figure or does it have any significance? Just for trivia sake... Guesses from others welcome!
20-20.........WE are heading for sudoku premier league...  |
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WSPC Organizer
Posts: 542
Location: India | Some of the puzzles for practice can be found as below
Diagonally Magic Squares
http://www.wpcstylepuzzles.com/search/label/Diagonally%20Magic%20Sq...
Every Second Straight
http://www.wpcstylepuzzles.com/search/label/Every%20Second%20Straig...
Trid (This appeared in OAPC Championships)
http://www.wpcstylepuzzles.com/search/label/Trid?max-results=4
Fences
http://www.wpcpuzzlesonline.com/puzzles/slither-links
Kakuro
http://www.wpcpuzzlesonline.com/puzzles/kakuro
Every Second Breakpoint
http://www.wpcpuzzlesonline.com/puzzles/every-second-breakpoint
Tapa
http://www.wpcstylepuzzles.com/search/label/Tapa?max-results=4
Also most of the puzzles can be found at
http://www.janko.at/Raetsel/index.htm
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WSPC Organizer
Posts: 739
Location: India | neerajmehrotra - 2011-06-08 11:59 PM
Rohan Rao - 2011-06-08 9:53 PM
Any particular reason puzzles of Round 2 are 20x20? I understand the concept is big grids, but was 20 chosen as a random round figure or does it have any significance? Just for trivia sake...
20-20.........WE are heading for sudoku premier league...
20 puzzles in Round1, 20x20 size grids in Round2, 20 puzzles in Round3, I knew something was up!
The Nov-2011 WPC in Hungary is the 20th WPC, so thats why. And also because I am 20 years old ;) |
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WSPC Organizer
Posts: 542
Location: India | Tiger in the Woods
One rule I wanted to confirm that, can the ending square be in the middle or it should always be touching a wall?
e.g. attaching the puzzles from Brazil Puzzle Championship where ending square is not touching the wall or black square.
See the following answer booklet
https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=12... |
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Posts: 17
Location: India | okay..is this solution possible for the given 'tiger in the woods' example given in the IB ? |
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Posts: 81
Location: India | I think the players want to know if the ending cell can be 'anywhere'. There can be another solution then.
 (TITW.png)
Attachments
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 TITW.png (5KB - 0 downloads)
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Location: India | This is not allowed. The path can stop only near the wall or a black square.
Also, the end point must not have visited earlier.
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WSPC Organizer
Posts: 542
Location: India | Thanks Deb for quickly clarifying on this.
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Posts: 17
Location: India | Personally speaking,Im finding 'First or Last' completely unsolvable !
Cant even figure how to start the sample puzzle
Can anyone throw some light? (i know its too late,yet just an attempt)
Thanks anyway.
All the best everyone |
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Posts: 328
Location: India | sanket - 2011-06-10 11:53 PM
Personally speaking,Im finding 'First or Last' completely unsolvable !
Cant even figure how to start the sample puzzle
Can anyone throw some light? (i know its too late,yet just an attempt )
Thanks anyway.
All the best everyone
Look at all rows and coloumns with A and B as clues.....
means R1, R2, C2, C4
C cannot be placed in 1 and last cells of these rows and columns...
with this C cannot be placed in R1C1, R1C4, R2C1, R2C4 therefore in first two rows C has to be in second and third column.
Again with the same logic C cannot be placed at R1C2, thus place C at R1C3 & R2C2.....
Now its simple.
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Posts: 17
Location: India | hey thanks for explanation neeraj :) |
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Posts: 328
Location: India | sanket - 2011-06-11 6:51 PM
hey thanks for explanation neeraj :)
Hope it helped... |
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Mean Minis (2020) Author
Posts: 774
Location: India | I was solving the puzzles of Offline finals Round 3. I managed to solve all except NEWS (I tried the small one only, without success) and the big frameless (which I will need to solve on paper). Overall, very nice puzzles. For me, the best of the lot were the polyword (took a lot of time for solving), creek (elegant solution) and digit battleships (nice play with numbers) - the bigger grid in each case.
I hope someone can help with some baby steps for the small grid of NEWS. |
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WSPC Organizer
Posts: 739
Location: India | rakesh_rai - 2011-06-15 1:55 PM
I was solving the puzzles of Offline finals Round 3. I managed to solve all except NEWS (I tried the small one only, without success) and the big frameless (which I will need to solve on paper). Overall, very nice puzzles. For me, the best of the lot were the polyword (took a lot of time for solving), creek (elegant solution) and digit battleships (nice play with numbers) - the bigger grid in each case.
I hope someone can help with some baby steps for the small grid of NEWS.
Hi Rakesh,
According to me, you are not thinking :-)
1: Look at the R2C5-R3C4-R3C5 region. It cannot have 'W' and 'N'. So 'E' will be in R2C5 and 'S' in R3C4.
2: Exactly similarly, the R4C3-R5C2-R5C3 region will have 'E' in R4C3 and 'S' in R5C2.
3: The square region with 'W' has to have a 'N' in R2C3.
4: The R3C1-R4C1-R4C2 region cannot have 'E' and 'W'. Hence R3C1 is 'N' and R4C1 is 'S'.
You should be able to complete it now. |
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Mean Minis (2020) Author
Posts: 774
Location: India | Thanks Rohan.
I was actually thinking  ...but I had not interpreted the rules correctly (even though this topic was discussed earlier)...I was thinking that a S can come below a W... I thought the only constraints are that W should be to the left of E and N should be above S...but thats not correct...I should be able to solve it now. |
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Indian Puzzle Championship - 2011
