Dan LeKander

Sudoku Graduation, 2023

Changes are in the air! May is graduation for some colleges and universities, so we will celebrate your graduation from a Sudoku undergrad to graduate student!

Volume 18, Issue 5, May 2023

Dan LeKander

Sudoku Puzzles #145, #146, #147, & #148

We have an easy one this time… see which one! Send your comment to us. We want to hear if you are doing these puzzles!

Volume 18, Issue 4, April 2023

Dan LeKander

March Sudoku Puzzles #141, #142, #143, & #144

Spring is only days away. Let’s clean out the cobwebs and solve the Sudoku challenges this month!

Volume 18, Issue 3, March 2023

Dan LeKander

Sudoku Puzzles #137, #138, #139, & #140

Forrest Gump might say, “Sudoku is like a box of chocolates; you never know what you’re going to get”. . .

Volume 18, Issue 2, February 2023

Dan LeKander

Sudoku Puzzles #133, #134, #135, & #136

You have already celebrated the start of 2023, so it is time to settle in and welcome a year of promise for Sudoku . . .

Volume 18, Issue 1, January 2023

Dan LeKander

Sudoku Puzzles #129, #130, #131, & #132

Please welcome the last four Sudoku puzzles for 2022!

Volume 17, Issue 12, December 2022

Dan LeKander

Sudoku Puzzles #125, #126, #127 & #128

Four puzzles this month - can you or can't you solve them? That really is the question!

Volume 17, Issue 11, November 2022

Dan LeKander

Sudoku Puzzles #122, #123, & #124

Can you believe how quickly summer left us at the River? Good thing we have Sudoku to keep our minds sharp through the off-season . . .

Volume 17, Issue 10, October 2022

Dan LeKander

Sudoku Puzzles 119, 120 & 121

Difficult rating … 5/10 (Rating based on puzzles not requiring advanced techniques) Puzzle #120 should present a moderate challenge!

Volume 17, Issue 9, September 2022

Dan LeKander

Sudoku Puzzles #116, #117, & #118

We start with a Sudoku puzzle in progress, where it appears that there are no more obvious or not-so-obvious clues. Can you find the hidden clue in Puzzle #116?

Volume 17, Issue 8, August 2022

Dan LeKander

Sudoku Puzzles #113, #114, #115

We continue with 3 puzzles each month. We start with a Sudoku puzzle in progress, where it appears there are no more obvious or not-so-obvious clues. Can you find the hidden clue in Puzzle #113?

Volume 17, Issue 7, July 2022

Dan LeKander

Sudoku Puzzles #110, #111, & #112

Once again Dan LeKander provides you with a challenge - three puzzles this month. Good luck!

Volume 17, Issue 6, June 2022

Dan LeKander

Sudoku Puzzles #107, #108, & #109

We will continue with the 3 puzzles each month. That should be ample material for novices or seasoned veterans. I hope you enjoy this change.

Volume 17, Issue 5, May 2022

Dan LeKander

Sudoku Puzzles #104, #105 & #106

April is bonus month. In addition to the “Clueless series” and feature puzzle, April will be the first month with a 3rd puzzle, a challenging Sudoku puzzle

Volume 17, Issue 4, April 2022

Dan LeKander

Sudoku Puzzles #102 & #103

Have you tried our Sudoku Puzzles? Be sure to try these and go back in time and try those presented in the past. How about Puzzle 55? Let us know how you do.

Volume 17, Issue 3, March 2022

Dan LeKander

When we published the final article in Dan's series “Steps to learn the logic of Sudoku”, I never in a million years thought that Dan would so graciously offer to do one or two puzzles just for TI Life, each month – but this month we present numbers 100 & 101!

Volume 17, Issue 2, February 2022

Dan LeKander