Sumo guide

The Sumo Behind Tiny Yokozuna

Tiny Yokozuna is playful on the surface, but it is rooted in real sumo culture. This guide explains the ranks, tournaments, rituals, ring names, and words that give the game its shape.

Sumo at a glance

A whole world inside one ring.

A sumo bout looks simple: force the other wrestler out of the ring or make any part of his body besides the soles of his feet touch the ground. Around that simple rule is a deep structure of training, ranking, ceremony, rivalry, and identity.

A rikishi belongs to a heya, trains for the next basho, steps onto the dohyo, and tries to build the record that moves him up the banzuke. Tiny Yokozuna compresses that rhythm into a light game loop: train, enter, bout, learn, and climb.

Ranks and the banzuke

The climb to Yokozuna is the heart of the sport.

The banzuke is the official ranking list. It is rewritten after every tournament, so a career is measured as a long chain of records, rises, setbacks, and new chances.

Yokozuna

Grand champion

The highest rank. A yokozuna is expected to show dominant results, consistency, dignity, and the presence to represent sumo at its peak.

How it is reached: Reached from ozeki after back-to-back championships or results judged to be equivalent. A yokozuna cannot be demoted; if he falls far below the rank's standard, retirement is expected instead.

Ozeki

Champion rank

The rank below yokozuna. Promotion usually requires several excellent tournaments at sanyaku level, not just one hot streak.

How it is reached: Usually reached from sekiwake after a sustained run against top opposition, often described as about 33 wins across three tournaments. Ozeki can lose the rank after repeated losing records.

Sekiwake

Sanyaku

A top titled rank where strong winning records can begin a serious ozeki promotion run.

How it is reached: Typically reached by a komusubi or high maegashira after a strong winning tournament. Holding the rank means continuing to produce kachi-koshi against the toughest schedules.

Komusubi

Sanyaku

The entry point into the named ranks above maegashira, often facing the hardest schedule in the division.

How it is reached: Usually reached by a high-ranked maegashira with a strong winning record, especially one earned against sanyaku opponents.

Maegashira

Makuuchi

The numbered ranks in the top division. Lower numbers are closer to the top and face tougher opponents.

How it is reached: Reached by promotion from juryo into makuuchi. Winning records generally move a rikishi toward the lower numbers; losing records push him down the ladder.

Juryo

Second division

The second-highest division and the beginning of sekitori status, where wrestlers become salaried professionals.

How it is reached: Usually reached from the upper makushita ranks with a strong winning record and room opening in the division. This is the first salaried sekitori rank.

Makushita and below

Climbing ranks

Makushita, sandanme, jonidan, and jonokuchi are the training ground where careers begin and progress is earned tournament by tournament.

How it is reached: New careers begin in the lower ranks after entry bouts, then rise or fall through kachi-koshi and make-koshi. Consistent winning is needed to approach juryo.

How basho work

Six tournaments give sumo its yearly rhythm.

Grand sumo has six official tournaments each year, held in January, March, May, July, September, and November. Tokyo hosts three; Osaka, Nagoya, and Fukuoka host one each.

Before the basho

A new banzuke is published before the tournament. It lists every rikishi by rank, side, and number, setting the starting point for the next climb.

Fifteen days

A honbasho runs for 15 consecutive days. Wrestlers in the top two divisions usually fight once per day, while lower divisions fight fewer bouts.

The record matters

A winning record is kachi-koshi. A losing record is make-koshi. Those records drive most promotions and demotions.

After the final day

The best record wins the yusho for that division. Then the ranking committee uses the results to shape the next banzuke.

Promotion and records

One good basho helps. Repeated excellence changes a career.

The basic dividing line is easy to understand. More wins than losses means kachi-koshi and usually moves a rikishi upward. More losses than wins means make-koshi and usually moves him downward. The size of the move depends on rank, opponent strength, division balance, and the records around him.

The highest promotions are more selective. Ozeki promotion usually asks for excellent results across multiple tournaments at sanyaku level. Yokozuna promotion asks for even more: championship-level results, consistency, and the bearing expected of a grand champion.

Rikishi names

A shikona can carry a place, a stable, a wish, or a legacy.

A shikona is a rikishi's ring name. Some wrestlers use their family name, especially early in a career. Many others receive names shaped by stable traditions, hometowns, mountains, seas, powerful images, auspicious kanji, mentors, supporters, or older names they are trusted to carry forward.

There is no single formula. In some stables the stablemaster chooses the name; in others the wrestler suggests one, or the choice is made through discussion. A rikishi may also change shikona after promotion, a turning point, or a new stage of ambition.

Tiny Yokozuna plays with that idea. Names like Mameyama, Mochifuji, and Nekoryu are cute, but they follow the same spirit: a name should feel like a little story. The Japanese name まめ横綱 keeps that tone too: tiny and funny, but still pointed toward the Yokozuna dream.

Glossary

Useful sumo words in one place.

People

Rikishi
A professional sumo wrestler.
Oyakata
A retired wrestler who works as an elder, coach, or stablemaster.
Gyoji
The referee who calls the bout and wears traditional dress.
Yobidashi
The announcer who calls wrestlers to the dohyo and helps keep the tournament moving.
Tokoyama
A hairdresser who prepares rikishi hairstyles, including the topknot.

Places And Gear

Dohyo
The raised clay ring where bouts take place.
Tawara
The straw bales that mark the edge of the ring.
Heya
A sumo stable where rikishi live, train, and belong to a team structure.
Mawashi
The heavy belt worn for wrestling.
Kesho-mawashi
The decorative apron worn by higher-ranked rikishi during ceremonies.

Competition

Basho
A tournament. Official grand tournaments are called honbasho.
Torikumi
The daily match schedule.
Shonichi
Opening day of a tournament.
Senshuraku
The final day of a tournament.
Kimarite
The official winning technique.
Yusho
A tournament championship.
Sansho
Special prizes awarded in the top division for outstanding performances.

Records And Ranks

Banzuke
The official ranking list published before each tournament.
Kachi-koshi
A winning record: more wins than losses.
Make-koshi
A losing record: more losses than wins.
Sekitori
A salaried wrestler in the top two divisions, makuuchi or juryo.
Sanyaku
The titled ranks above maegashira: komusubi, sekiwake, ozeki, and yokozuna.
Yokozuna
Grand champion, the highest rank in sumo.

Why I made Tiny Yokozuna

A small game from a real sumo fan.

I am a fan of sumo and I watch it regularly, often thanks to NHK WORLD-JAPAN's coverage. Tiny Yokozuna grew out of that affection. The game is cute and lighthearted, but it is also a way to share the language, rhythm, and charm of sumo with more people.