Chessboard Sudoku
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Here is a puzzle I added to my repertoire last year. It’s an interesting variation on Sudoku that combines Chaos Sudoku and Even Sudoku. The grid is laid out like a chessboard, with alternating white and black squares. You must place even numbers in the white squares (in the case of a 10x10 grid), namely: 2, 4, 6, 8, and 10, and you must place 1, 3, 5, 7, and 9 in the black squares (which are actually more gray). This constraint, combined with the irregularly shaped regions, can be confusing. Sometimes it’s better to solve the squares of one color first and finish with the other, or you can alternate the colors. In any case, you’ll be fascinated by this Sudoku variant. Here are 3 grids to get you started.
Rules : Rules of Chessboard Sudoku
1)

Puzzle :suco_8x8_03954_s_.pdf
Solution :suco_8x8_03954_s__sol.pdf
2)

Puzzle :suco_10x10_03734.pdf
Solution :suco_10x10_03734_sol.pdf
3)

Puzzle :suco_10x10_09068.pdf
Solution :suco_10x10_09068_sol.pdf
Have a good day!
No commentsSuguru ; A new book : Suguru Challenge vol 10
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Here it is, hot off the press: my latest book: Suguru Challenge Vol. 10.

The first time I published a book about the Sugurus was in 2016, and I never imagined that this puzzle would become so popular that, ten years later, I’d be publishing a tenth volume in the series. I remember discovering this game during a trip to England with my family in 2015. I was on the Tube (the London subway) and saw a young woman standing there with a magazine, frantically playing games. I wanted to know what game it was, so I approached her discreetly to see what kind of games could cause such excitement. I was far too shy to speak to her, so I could barely see what was inside the magazine, except that it contained grids of various sizes. Now I know it’s the excellent British magazine Suguru by Puzzler. So, on my last day before leaving, I was at the train station scouring the magazine stands to see what kind of puzzles it might be—my only clue was that the cover was blue. Finally, I found a magazine (though with a red cover) that featured this puzzle, which was completely unknown to me. I decided to buy it. When I went to the register, I paid the price, but since I was confusing pounds and pence, I laid out several coins on the counter to pay until I realized my mistake. That’s when I witnessed the legendary British composure, as the cashier stoically waited while the line behind me grew longer. Once I got home, I was immediately captivated by this game and decided to add it to my repertoire. I experimented and managed to create grids of all sizes. From small 4x56 grids to giant 20x20 grids.
This book, like all nine others in the series, contains 251 puzzles in a variety of sizes (from 4x6 to 20x20) that no other book can offer you. Here are three puzzles; judge for yourself.
Rules : Rules of Suguru
1)

Puzzle :suguru_6X8_00048.pdf
Solution :suguru_6X8_00048_sol.pdf
2)

Puzzle :suguru_6X8_00883.pdf
Solution :suguru_6X8_00883_sol.pdf
3)

Puzzle :suguru_6X20_00811.pdf
Solution :suguru_6X20_00811_sol.pdf
Suguru Challenge vol 10 is available on Amazon.
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Suguru Challenge vol. 10
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Round-Trip # 14
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Here are two round-trip puzzles that are a bit more challenging than usual. This is mainly because of their size—they’re 12x12 grids. There’s a path that passes through every point once and forms a loop at the end. Some sections of the path between points are revealed. Your goal is to find the missing segments. Keep in mind that you must not skip any points, and in the end, the path must form a loop. Come on, grab your backpack and complete this path.
Rules : Rules of Round Trip
1)

Puzzle :baton_12X12_00052.pdf
Solution :baton_12X12_00052_sol.pdf
2)

Puzzle :baton_12X12_03261.pdf
Solution :baton_12X12_03261_sol.pdf
Au revoir.
11 years and counting
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Innoldic was created 11 years ago ! At the beginning I did not think lasting so much. Before that I had made puzzles for ten years. When I began to do puzzles in 2005, I thought that I should have a presence on the Internet. Then 10 years later, in 2016, I created Innoludic. It was a good idea to promote my Amazon puzzle books. But probably my first reason was to let my puzzles be known by more people.
My philosophy for creating and running Innoludic was to never bother my visitor. Then I did not ask for your membership, no payment, not collection of personal data (except when you contact me, only your email address is needed), and no ads (except for promoting my own books). I wanted my puzzles to be available for all. Looking back, maintaining a bilingual website with a weekly post required a lot of perseverance and a little bit of madness. Recently I have decided to add new features, like online games (the Takazu) and soon the Suguru. Also I have created a Pinterest account, and I have added a few pictures of my puzzles, I expect to reach more people and also to present things that do not fit my website like strange geometrical figures. Pinterest has already a lot of my puzzles pinned by my visitors.
In order to have a better picture of my website. I have decided to gather information about the 11 years of Innoludic. So, I have published 1509 articles for an average of 137 by years (this include French and English articles). But the most surprising stat is that my puzzles, which are in 3132 files, including the solutions) have been downloaded 1 178 211 times (for an average of 107 000 by year). I conclude that you likes my puzzles and I am very happy with that. These are my four most popular puzzles.
I was able to know my most popular puzzles (by download number):
| PUZZLES | DOWNLOAD | DATE | LINK |
| Super Sudoku 16x16 n 5 | 4261 | 2015-06 | super_00005.pdf
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| Super Sudoku 16x16 n 11 | 4250 | 2015-06 | super_00011.pdf
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| Sumo m 99 | 3951 | 2019-04 | Sumo_00099.pdf |
| Sudoku Trio n 4 | 2564 | 2015-07 | trio_00004.pdf |
I want to thank you. If you like my puzzles, please buy my books. I will continue to publish on Innoludic and to present to you interesting puzzles.
Wordle # 2
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This is my second post about Wordle (the first one was in 2024). You have a sequence of words, and based on that, you have to find the answer word. The words in the sequence give you tips. Each letter on a black square indicates that the letter is the same position in the answer word. If the letter is in a gray square, it means that this letter is part of the answer word but not in the same position. Finally if the letter is in a white square, then this letter is not part of the answer word. Also a clue is given to help you. The letters at the bottom are there to help you keeptrace of the letter found/not founds.
Rules : Rules of Wordle
1) Clue: Concerns several.

Puzzle :wordle_A_6x6_00336.pdf
Solution :wordle_A_6x6_00336_sol.pdf
2) Clue: In order to learn.

Puzzle :wordle_A_6x6_00337.pdf
Solution :wordle_A_6x6_00337_sol.pdf
3) Clue : To attract attention.

Puzzle :wordle_A_6x6_00338.pdf
Solution :wordle_A_6x6_00338_sol.pdf
Have a good day!
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