HEAD-TO-HEAD

Head-to-Head Comparison

龍

Left

龍成山

Jonidan #12 ・ Dewanoumi Stable

Change
石

Right

石東

Jonidan #10 ・ Tamanoi Stable

Change
龍
龍成山
Jonidan #12
47%
win prob (latest)
VS
石
石東
Jonidan #10
53%
win prob (latest)

Career Head-to-Head

All career bouts, including juryo and below (broadcast tallies usually count makuuchi only).

2
2 bouts
0
石東 wins

Rating-based Forecast

Expected win rate (latest)

46.7%
龍成山 (R=925)
vs
53.3%
石東 (R=948)

Glicko-2 expected score (opponent RD taken into account)

Forecast accuracy (2 bouts)

Predicted win rate (龍成山)67.9%
Actual win rate100.0%
Delta32.1pt

Positive = 龍成山 wins above rating expectation; negative = below.

Career Comparison

Item龍成山石東
Peak rating1258 (2007-05)983 (2014-05)
Career bouts793508
Wins377236
Losses385256
Win rate49.4%47.9%
Current rankJonidan #12Jonidan #10
Active period2007-03 〜 2026-092014-03 〜 2026-09

Rating history (overlay)

Bout details (2)

BashoDayPredicted龍成山vs石東
2021-031276%○vs●
2023-05759%○vs●

Predicted = expected score at the start of that tournament (causal). Highlighted rows = upsets vs prediction.