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Data Oyakata
Grand Sumo Predictions
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一

Ichiyamamoto

Maegashira 4 Highest rank: Maegashira 1

Strength index 2411
↗ Rising
188cm / 154kg　Career 348 wins, 295 losses
Championship
0 times
Special prizes
2 times
Kinboshi
1 times

Championships and special prizes are counted from 2000 Aki Basho onward; kinboshi are counted from 2000 Hatsu Basho onward.

Strength index over time
What is the strength index?▼

A single number that represents a rikishi's current competitive strength.

• Calculated from every bout's wins and losses alone (not banzuke rank or body measurements).

・It rises more for wins over strong opponents and falls more for losses to lower-rated opponents.. The opponent's strength is part of the calculation.

• Everyone starts around 1,500 and rises with winning records. Upper Makuuchi is typically around 2500 or more or higher.

• Unlike the human-set banzuke, it is driven only by results, so it can show improvement or decline before the ranking catches up.

Based on an Elo rating adapted from systems used in games such as chess.

🤖

In bouts involving this rikishi, Data Oyakata has correctly predicted 58%(375/643).

Rank and record in the last six basho

Most successful winning techniques wins by this technique

Most common losses by technique loses by this technique

Fighting-style profile

Winning techniques345 bouts. Relative values, with the most common style set to 100.

Pushing styleBelt wrestlingThrowing stylePulls and sidestepsLeg techniquesBackward-bending techniquesTwisting techniques
Pushing style-47.5% Pulls and sidesteps-29.0% Belt wrestling-15.4% Throwing style-7.2% Twisting techniques-0.9%

Additional statistics

Early days (1-5)
59%
Late days (11-15)
50%
vs. Sanyaku and above
24%
8-25
CareerWin rate
54%
Win rate by venue
  • Tokyo 49% (157-164)
  • Osaka 58% (68-50)
  • Nagoya 57% (60-46)
  • Fukuoka 64% (63-35)

Win rate by tournament day (Days 1-15)

57
62
46
69
62
33
53
66
62
48
50
45
45
45
68
123456789101112131415

Each figure is the career win rate for that day. It shows whether a rikishi starts fast or improves late in a basho.

Frequent opponents

Open an opponent to view the head-to-head record.