Blog Post #126: For Rooney, Claire, Sheila, Cansu, Jonathan, Erika, Robert, Andrée & other dear friends: may you all have very happy memories, birthdays or anniversaries this May ♥😊♥

Dear Readers,

I would like to begin by offering, with most sincere sympathy, kind thoughts and prayers for Rooney, a friend whose sister, Gina, passed on a couple of days ago. I know (from similar personal experiences involving loved ones) that God can grant us gentle comfort through positive, happy memories of the precious times shared with people so close to us. I also believe that we will meet again later in a perfect place that God has prepared for us.

For the Son of Man is going to come in his Father’s glory with his angels,
and then he will reward each person according to what they have done.
Matthew 16:27

Knowing the lovely tradition of dedicating the month of May to Our Lady, Mary, this is a perfect time to recall the following prayer:

Hail Mary full of Grace, the Lord is with thee.

Blessed are thou among women and blessed is the fruit of thy womb Jesus.

Holy Mary Mother of God,

pray for us sinners now and at the hour of our death

Our Lady Mary’s beautiful month of May ♥

Now I would like to offer very warm wishes this month to everyone, especially to all who may be celebrating a happy anniversary &/or birthday sometime this May. Among my Facebook friends, Laurel, Rafa, Ruben, Sarah and Stefaan all have birthdays today, while José, An and Andrew have their birthdays later this week. If I say that José’s day number is a square number while An and Andrew’s day number equals the number of Sundays this May, then you can deduce that José’s birthday is on 4 May while An and Andrew’s birthdays are on 5 May.

Lots of people are fondly remembered every single day, even if months or years may have passed since our last contact. Now, though, I decided to make something special for several people in Belgium, Scotland, The Netherlands and Luxembourg who are either particularly close friends of my family or are current colleagues or students of mine at Musica Mundi School.

The beautiful Musica Mundi School ♥

Let’s represent the May day numbers (in increasing order) for the birthdays of my friends Claire, Sheila, Jonathan and Andrée by C, S, J and A respectively.

M is the May birthday day number of Cansu, a talented young mathematician at Musica Mundi School.

Early wishes for your birthday this month, Cansu! 😊

You are given the following:-

  1. Claire, Jonathan and Andrée have their birthdays in different weeks, but on the same day of the week (all either M, T, W, Th., F, Sa. or Su.; the same day as each other).
  2. The product C x J x A = J x A, and J x A is the largest that it can then be.
  3. The sums C + S + J + A and C + S + M are both whole number powers of 2, but only one of them is a square number.

Your fun warm-up puzzle is to figure out the exact day numbers in May when Claire, Sheila, Cansu, Jonathan and Andrée have their birthdays 😊 ♥

My youngest sister and her husband (my brother-in-law) have their wedding anniversary in May on the birthday of my brother-in-law, who is in his 50s. Suppose that his new age will be N; my sister’s favourite prime number is F; the total number of people in their family is T, also a prime number.

Here in Blog Post #126, I like the fact that the quotient 126 ÷ F is a whole number, and it’s exactly equal to (N+1) ÷ T.

Your fun numbers challenge is to figure out the exact values of F, N and T 😊 ♥

Here’s sending you early wishes for your wedding anniversary and birthday celebrati😊ns,
dear sister and brother-in-law ♥♥

A funny word puzzle is this one: rearrange the letters IS NO EASY MAN to make a proper 11-letter word beginning with MAY… 😊😊

Jonathan is a very fine Scottish chess player with lots of experience in international events. His wife, Keti, is an International Grandmaster. In the following puzzle position, Keti is White to play and force checkmate in 4 moves.

It’s White to play and force checkmate in 4 moves 😊 ♥

For top-quality chess sets, boards, books, computers, software and lots of other chess-related goodies, a terrific shop with many years of providing excellent service to all its customers is De Beste Zet located in the Dutch town of Best. It’s run by Woman Grandmaster Erika Sziva and her husband, Robert Klomp. A feast of helpful information can be found easily on their site,

Erika & Robert have their 5th wedding anniversary coming soon, on 26 May. Here in Blog Post # (100+26), I can’t resist noting that 26 is a very special number because it’s the only positive whole number to be located directly between a square number and a cube number: 26 = 5 squared + 1 and 26 = 3 cubed – 1.

Early happy wedding anniversary wishes for you, dear Erika & Robert ♥♥

From the names Rooney, Claire, Sheila, Cansu, Jonathan, Keti, Erika, Robert and Andrée, suppose that you can choose to write down any five of them. Do you know exactly how many different selections of five names are possible then?

This is honestly no joke…here in Blog Post #126…

the answer is…

126 !!! ♥😊♥

I would like to round off by wishing everyone a very blessed Sunday now, and a happy month of May.

May the grace of the Lord Jesus Christ,
and the love of God,
and the fellowship of the Holy Spirit be with you all.
2 Corinthians 13:14

With kindest wishes as always,

Paul M😊twani xxx ♥

P.S. = Puzzle Solutions

Claire, Sheila, Cansu, Jonathan and Andrée have their birthdays

on May 1, 12, 19, 22 and 29 respectively.

Happy birthday t😊day for Claire Oppert, Musica Mundi School’s expert cello teacher.

126 ÷ 7 = 18 = (53 + 1) ÷ 3.

F = 7; N = 53; T = 3.

Croque monsieur is yummy with or without mayonnaises added 😊


rearranges to make



In the chess game K.Arakhamia-Grant vs. N.Eremina, Minsk 1986, White won with 1 Qd6+! Kxb6 2 Be3+ Kb5 3 b3!

…after which Black could not prevent all five of the threatened mates Qc5#/Qd5#/Qd3#/Rd5#/a4# !!

Then you will know the truth,
and the truth will set you free.
John 8:32

Author: Paul A. Motwani

My name is Paul Motwani, but my colleagues, my students and their parents mostly call me "Mr. Mo"! My middle initial, A, stands for Anthony, because I was born on the official feast day of St. Anthony of Padua, the patron saint of miracles and of lost souls. I love teaching Mathematics and Chess, and giving fun-packed talks and shows in schools and clubs. The popular ingredients of Math, Chess, Mystery and Magic are my "Fantastic Four", and I give prizes too! I am an International Chess Grandmaster, and (loooooong ago!) I was the World Under-17 Champion. I am the author of five published chess books and hundreds of newspaper articles. I live with my wonderful wife and son in Belgium. I also love music, movies and puzzles. I blog at My e-mail address is You can find me on Facebook, too.

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