Michał Herda has become a USMA referee

We are happy to announce that our colleague Michał Herda has become an Upper Silesian Mahjong Association-certified referee. He is now eligible for refereeing USMA ranked games as well as non-MERS (USMA) tournaments. Congratulations!

USMA Cup: Kraków Riichi Open 2026

We invite you to a Riichi Mahjong tournament organized in cooperation with the Upper Silesian Mahjong Association as part of the USMA Cup series!

I played at 4* no-rate mahjong parlors in Japan, here are my thoughts.

During my two-week stay in Japan, I played at several mahjong parlors across Tokyo and Osaka. Below are my thoughts and experiences from visiting these diffe...

3884.13 PLN from the 1.5% tax – Thank you!

Thank you from the bottom of our hearts!

Hatsumi Taikai 2026

We invite you to the third MERS tournament in Kraków!

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USMA Cup: Kraków Riichi Open 2026

I played at 4* no-rate mahjong parlors in Japan, here are my thoughts.

3884.13 PLN from the 1.5% tax – Thank you!

Hatsumi Taikai 2026