Aleksandr Ostrovskiy vs Arthur Guo
Aleksandr Ostrovskiy (30, IM, USA) and Arthur Guo (20, GM, USA) have met 7 times in classical OTB. Guo leads the classical series 4–1 (2 draws). With current classical ratings of 2356 and 2525, the Elo model gives Guo a 58% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2356 vs 2525 (Δ -169)
With Aleksandr Ostrovskiy as white
21% Aleksandr21% draw58% Arthur
With Arthur Guo as white
15% Aleksandr18% draw68% Arthur
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Aleksandr Ostrovskiy | Arthur Guo | |
|---|---|---|
| Current rating (STD) | 2356 | 2525 |
| Peak rating | 2453 · Mar 2019 | 2529 · Sep 2023 |
| Peak age | 23 | 17 |
| World rank now | #2,563 | #441 |
| World rank peak | #1,290 | #434 |
| Federation rank now | #125 | #35 |
| Games (career, STD) | 1,477 | 832 |
| Months active | 190 | 143 |
| % white wins | 46% | 43% |
| % black wins | 37% | 36% |
| TPR last 12m (STD) | 2345 | — |
| Activity 12m (games) | 122 | 18 |
Best Win
Aleksandr Ostrovskiy
Arthur Guo
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (7)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Aleksandr Ostrovskiy
Arthur Guo