Isaac Chiu vs Bijan Tahmassebi
Isaac Chiu (24, USA) and Bijan Tahmassebi (22, USA) have met 6 times in classical OTB. Chiu leads the classical series 2–0 (4 draws). With current classical ratings of 2226 and 2193, the Elo model gives Chiu a 48% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2226 vs 2193 (Δ +33)
With Isaac Chiu as white
48% Isaac23% draw29% Bijan
With Bijan Tahmassebi as white
36% Isaac27% draw37% Bijan
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Isaac Chiu | Bijan Tahmassebi | |
|---|---|---|
| Current rating (STD) | 2226 | 2193 |
| Peak rating | 2271 · Aug 2022 | 2209 · Feb 2023 |
| Peak age | 20 | 19 |
| World rank now | #6,648 | #8,581 |
| World rank peak | #5,277 | #7,636 |
| Federation rank now | #235 | #304 |
| Games (career, STD) | 307 | 320 |
| Months active | 127 | 121 |
| % white wins | 50% | 38% |
| % black wins | 43% | 34% |
| TPR last 12m (STD) | — | — |
| Activity 12m (games) | 0 | 0 |
Best Win
Isaac Chiu
Bijan Tahmassebi
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (6)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Isaac Chiu
Bijan Tahmassebi