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)
45.9%
備巌山 (R=878)
vs
54.1%
関塚 (R=908)
Glicko-2 expected score (opponent RD taken into account)
Forecast accuracy (4 bouts)
| Predicted win rate (備巌山) | 41.0% |
| Actual win rate | 25.0% |
| Delta | -16.0pt |
Positive = 備巌山 wins above rating expectation; negative = below.
Career Comparison
| Item | 備巌山 | 関塚 |
|---|---|---|
| Peak rating | 1105 (2018-05) | 1033 (2024-07) |
| Career bouts | 355 | 568 |
| Wins | 159 | 237 |
| Losses | 185 | 313 |
| Win rate | 46.6% | 43.2% |
| Current rank | Jonidan #8 | Jonidan #4 |
| Active period | 2018-03 〜 2026-09 | 2013-03 〜 2026-09 |
Rating history (overlay)
Bout details (4)
| Basho | Day | Predicted | 備巌山 | vs | 関塚 |
|---|---|---|---|---|---|
| 2021-09 | 1 | 36% | ● | vs | ○ |
| 2021-11 | 3 | 38% | ● | vs | ○ |
| 2024-01 | 1 | 44% | ○ | vs | ● |
| 2026-11 | 6 | 46% | ● | vs | ○ |
Predicted = expected score at the start of that tournament (causal). Highlighted rows = upsets vs prediction.