HEAD-TO-HEAD
Head-to-Head Comparison
Career Head-to-Head
All career bouts, including juryo and below (broadcast tallies usually count makuuchi only).
Rating-based Forecast
Expected win rate (latest)
65.8%
房州山 (R=836)
vs
34.2%
梅山 (R=720)
Glicko-2 expected score (opponent RD taken into account)
Forecast accuracy (2 bouts)
| Predicted win rate (房州山) | 64.4% |
| Actual win rate | 50.0% |
| Delta | -14.4pt |
Positive = 房州山 wins above rating expectation; negative = below.
Career Comparison
| Item | 房州山 | 梅山 |
|---|---|---|
| Peak rating | 1256 (2020-07) | 1256 (2025-05) |
| Career bouts | 266 | 49 |
| Wins | 117 | 21 |
| Losses | 138 | 27 |
| Win rate | 45.7% | 44.9% |
| Current rank | Retired | Jonidan #63 |
| Active period | 2020-07 〜 2026-07 | 2025-05 〜 2026-09 |
Rating history (overlay)
Bout details (2)
| Basho | Day | Predicted | 房州山 | vs | 梅山 |
|---|---|---|---|---|---|
| 2026-05 | 9 | 66% | ● | vs | ○ |
| 2026-07 | 10 | 63% | ○ | vs | ● |
Predicted = expected score at the start of that tournament (causal). Highlighted rows = upsets vs prediction.