Rock Yu vs Mohammad Hossein Mozaffari
Rock Yu (15, CM, ENG) and Mohammad Hossein Mozaffari (31, IRI) have never met in classical OTB, but played 8 rapid/blitz games on record. They share 38 common opponents with at least 3 games each side, providing a calibration of relative strength. With current classical ratings of 2134 and 1986, the Elo model gives Yu a 66% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2134 vs 1986 (Δ +148)
With Rock Yu as white
66% Rock16% draw18% Mohammad
With Mohammad Hossein Mozaffari as white
56% Rock19% draw25% Mohammad
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Rock Yu | Mohammad Hossein Mozaffari | |
|---|---|---|
| Current rating (STD) | 2134-30 | 1986+38 |
| Peak rating | 2164 · Apr 2026 | 1986 · May 2026 |
| Peak age | 15 | 31 |
| World rank now | #12,472 | #29,771 |
| World rank peak | #10,346 | #29,771 |
| Federation rank now | #192 | #287 |
| Games (career, STD) | 343 | 209 |
| Months active | 49 | 118 |
| % white wins | 57% | 57% |
| % black wins | 51% | 56% |
| TPR last 12m (STD) | 2012 | 1233 |
| Activity 12m (games) | 339 | 651 |
Best Win
Rock Yu
Mohammad Hossein Mozaffari
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (8)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Rock Yu
Mohammad Hossein Mozaffari