Sunday, April 19, 2015

Roman Numeral Sudoku (Mini Sudoku Series #44)


Roman Numeral Sudoku recently appeared in WPF Sudoku Grand Prix 2015 Round 4. This is the Mini Sudoku puzzles which I prepared for  Mini Sudoku Series 

I am posting this Roman Numeral Sudoku as 44th Sudoku in Mini Sudoku Series.

Rules of Roman Numeral Sudoku
Mini Classic Sudoku Rules apply. Additionally instead of clues for the digits 1 to 6, this Sudoku gives clues for Roman numerals I, II, III, IV, V, VI. Not all clues are complete numbers; some of them may be just part of the Roman numeral.
Roman Numeral Sudoku (Mini Sudoku Series #44)
Roman Numeral Sudoku (Mini Sudoku Series #44)


Previous Mini Sudoku Series Puzzle: Classic Sudoku (Mini Sudoku Series #43)


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Thursday, April 16, 2015

Sukaku (Daily Sudoku League #105)


Sukaku recently appeared in the 4th Round of 2015 Sudoku Grand Prix. I found this puzzle very interesting and thought of creating the one.
Sukaku is my 105th contribution for The League of Extraordinary Ladies and Gentlemen

Rules of Sukaku
Classic Sudoku Rules apply. Additionally, the grid must be divided into some rectangles with each rectangle containing exactly one shaded cell and each cell in the grid belonging to exactly one rectangle. The digit in each shaded cell must indicate the area of the rectangle it is part of. Digits cannot repeat within a rectangle.

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24-Hour Puzzle Championship


24-Hour Puzzle Championship24-Hour Puzzle Championship is known as puzzle marathon which is held every year in Hungary. Participants in this championship has to solve puzzle in this championship continuously for 24 hours. The participants has to solve 13 times 100 minutes puzzle part each for 1000 points. There's only 10 minutes break between the two sets, except two 'big breaks' with 20 minutes (when they have a dinner and a breakfast). And that is all together 1440 minutes = 24 hours. In fact there will be 14 set of puzzles will be created for this and each participant has to skip one puzzle set. This is to accommodate puzzle authors as participant. If someone has provided puzzle set for this championship, that person will miss his own set while participating. Now many authors across the world are providing puzzles for this championship even though some of them will not be able to participate in this championship. 
The largest event was in 2005, Eger - when we had 77 participants (in the beginning there was only 14).

The first championship was in 2000. Some photographs of this championship can be found at Gyorgy Istvan's Picasa account. It was organized  every year always in Budapest - with few exceptions, when 24HPC was held the right after the World Puzzle Championship (WPC) in Eger.
Originally, there was an international Crossword Puzzle Compiler championship in the 1980's between the Eastern European countries, named Puzzle Marathon - where each country compiled crosswords in own language (on the given sheets there was some given well-known person and town-names, so they have no opportunity to prepare puzzles in advance). And that lasts for 24 hours. In 1999, at the WPC in Istanbul. Mr. Ede Markos (member of the Hungarian Team in 1999-2000) came up with the idea to do something similar to the Puzzle Marathon, but with logical puzzles. Then after a short discussion it was agreed to organize this event. In the first two years there was only Hungarian participants, later this event became an international event. And now beyond the World Puzzle Championship and World Sudoku Championship it became the largest on-spot yearly international championship.
In each year there at 10-15 organizers who correcting the puzzle sheets and giving  the result within a certain time. Some of them working for 24 hours - just like the puzzlers.  

Thanks to István György providing above mentioned interesting information regarding this championship.

In year 2015, The Puzzle Marathon will be held again in Budapest, 17-19 April, 2015. In this year Pál Madarassy will be again in charge of puzzle director position. More information about this championship can be found at official Facebook page for this championship.
From India myself along with Prasanna, Rakesh, Ashish and Swaroop are providing two set of puzzles for this championship. Looking forward to participants feedback for this championship.

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