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American mahjong loves to change the rules of the game

Writer: Missy Mahjong
Missy Mahjong
Aug 28
4 min read

Updated: 5 days ago


The Soap tile in American mahjong is the dragon for the dots, the zero and the "O" tile on the alternative cards.
The Soap tile is a dragon and the zero on the NMJL card.


 

American mahjong started growing more flowers with NMJL card changes three years after “standardizing the rules.” In fact, American mahjong tile sets had basically a garden on every rack.


In the 1940s, the NMJL started adding flowers. And more flowers. And more flowers. Since American mahjong loves to change the rules of the game, the NMJL directors considered the flowers be wild so people could actually win a game once in a while. By 1950, there were 24 flowers in standard mahjong game. Yes- there were 2 dozen flowers in every American mahjong set to accommodate NMJL card updates.

 

Flower tiles in American mahjong.
Mahjong flower tiles were abundant in American mahjong sets in 1950s.

Groovy. Let's change the rules of the American mahjong game again.


In the 60s, NMJL wanted order. Jokers were introduced as wild tiles and flowers went back to just being flowers.

 

The American Mahjong game kept on truckin'.


In 1971, the NMJL agreed on the current 8 flowers and 8 jokers.

 

It is unclear when the Soap tile was used as a zero. Some sources say Soap began working double duty in the 1980s on the NMJL card.


Look, I was born in the 1980s. Were year hands a “thing” in NMJL cards or cards predating the NMJL? Someone enlighten me with facts, not Facebook feelings.



Would NMJL change the rules again for the game of American mahjong? As if!


Now I am imagining it’s 1999.

 

Ruth: “Y2K is coming! We need to use a lot of Soaps for the year section of the card.”

 

Harvey: “I don’t know why you are worried, Ruth. Barely anyone plays this silly game anymore. I heard Barbara Walters talking about the computers imploding for the year 2000. Just use the zeros and print the card.”

 

Ruth: “You are probably right. I just want to make sure I cash all the preorder paper checks and stuff the money under the mattress. We will just make something up like we always do. If too many people call to complain, I’ll just leave the phone off the hook so they get a busy signal all of 2000.”

 

I imagine they were all humming Prince’s lyrics:

'Cause they say 2000, zero, zero,

party over- oops, out of time

So tonight I'm gonna party like it's 1999

 

When we didn’t die and computers operated normally, the few players received their NMJL cards. In 2001, soap got a little break but had to get used to working hard.

 


American mahjong loves to changes the rules of the game.
A kong of soaps in American mahjong

Girl... We are changing American mahjong again.


And here we are in 2026 with more players than ever. Every new player had the same question when they learned “why is this rectangle so many things?”

 

Most teachers all just learned to play the game six weeks ago themselves. They simply told students to stop questioning the “why” and match the hands like the NMJL card or Marvelous Mah Jongg card says. Things just are what they are in American mahjong. The rectangle is called Soap and is the White Dragon for the dots, the zero and the letter “o” on the alternative cards and Siamese cards. Everyone just has to roll with it.

 

We teach new players that we have an easy way for players to remember that the Soap is the White Dragon and is the dragon for the dots. Just think: suds and soap. The bubbles look like suds and the rectangle looks like a bar of Palmolive soap.


Simple, right? Ha. "And why is it a rectangle instead of a dragon like the red or green?" the students all ask.


“It just us the way it is,” we tell new students. “Move on. Roll with that too.”

 

I don’t have to imagine these conversations in 2026… I lived these. The younger players usually look at the teachers with a blank stare. The Soap tile connection to a bar of soap makes no sense to younger players. In 2026, soap is always in a pump now. "Rectangle means soap?" they ask.

 

Finally, one student has a light bulb moment. “Oh… I get it! It’s VINTAGE soap from the old days. Once, I got a bar-type soap like that at the motel. So gross. I had to share the shower with my brother. There was a hair on the bar of soap and I wasn’t sure what body part that hair came from!”

 

I guess we need to take notes from the NMJL crew of 1937 and just make some more stuff up in the American mahjong game. This time, it’s Gladys Grad leading the charge and introducing the Black Dragon. We need to give Soap a break until 2111.


More change is coming. Even the NMJL loves to change the rules and the tiles of the American mahjong game.


Source: Tom Sloper

Source: Gladys Grad

Source: Annelise Heinz Mahjong: A Chinese Game and the Making of Modern American Culture




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Jokers in American mah jongg.
Jokers were introduced to American mah jongg in the 1960s.

 
 
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