Rajesh Kumar
5-time Indian National Puzzle Champion
Puzzle Creator & Blogger
I am Rajesh Kumar, a Puzzler and Puzzle creator who has won the Indian National Puzzle Championship five times in the years 2004, 2005, 2006, 2008, and 2009. I have represented India at more than 10 World Sudoku and Puzzle Championships.
As a puzzle-maker, I have contributed puzzles to International championships like the 24 Hours Puzzle Championship, and several other Indian National championships like Sudoku Mahabharat and Puzzle Ramayana. I have been creating puzzles since 2005 and regularly post puzzles on this website.
🏆 Key Achievements
🤝 Organizing Experience
Recently, I was part of the organizing team that organized and created Sudoku and Puzzles for the 12th World Sudoku Championship and 26th World Puzzle Championship.
📧 Contact Me
If you have any questions regarding any of my posts on this blog, please leave a comment, and I will reply back to you very soon.
Alternatively, you can send me a mail at:
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Frequently Asked Questions
How did you start creating puzzles?
I started creating puzzles in 2005 after discovering my passion for logical challenges. Over the years, I've contributed puzzles to national and international championships and have been regularly posting puzzles on this website.
Which puzzles did you create for championships?
I have contributed Sudoku and logic puzzles to the 24 Hours Puzzle Championship, Sudoku Mahabharat, Puzzle Ramayana, and was part of the organizing team for the 12th World Sudoku Championship and 26th World Puzzle Championship.
Can I contact you for puzzle-related questions?
Yes — please leave a comment on any post, and I will reply. You can also email me using the email address shown in the contact section above. I typically respond within 2-3 days.
Can I submit my own puzzles to your website?
Yes — I welcome guest contributions! Please contact me via email with your puzzle, and I will review it for potential publication on the site. Full credit will be given to you as the author.
How often do you publish new puzzles?
I publish new puzzles regularly — often daily. Visit my Daily Challenge page for a fresh brain teaser every day.
What is your favorite type of puzzle?
I enjoy all types of logic puzzles, but I have a special affinity for Sudoku variations and grid-based logic puzzles that appear in World Puzzle Championships. Creating and solving them is both challenging and rewarding.
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🧩 Happy puzzling — and feel free to reach out with any questions! Try today's Daily Challenge!
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