Brian Tay vs Matthew Guo Diao
Brian Tay (18, USA) and Matthew Guo Diao (16, FM, USA) have met 4 times in classical OTB plus 1 rapid/blitz game. With current classical ratings of 2047 and 2269, the Elo model gives Diao a 66% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2047 vs 2269 (Δ -222)
With Brian Tay as white
17% Brian16% draw66% Matthew
With Matthew Guo Diao as white
12% Brian14% draw75% Matthew
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Brian Tay | Matthew Guo Diao | |
|---|---|---|
| Current rating (STD) | 2047 | 2269-16 |
| Peak rating | 2130 · Aug 2025 | 2340 · Jan 2026 |
| Peak age | 17 | 16 |
| World rank now | #21,118 | #5,110 |
| World rank peak | #12,447 | #2,927 |
| Federation rank now | #607 | #213 |
| Games (career, STD) | 558 | 418 |
| Months active | 92 | 49 |
| % white wins | 42% | 51% |
| % black wins | 39% | 41% |
| TPR last 12m (STD) | 2117 | 2238 |
| Activity 12m (games) | 31 | 102 |
Best Win
Brian Tay
Matthew Guo Diao
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (5)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Brian Tay
Matthew Guo Diao