Petr Kostenko vs Rinat Jumabayev
Petr Kostenko (50, GM, KAZ) and Rinat Jumabayev (37, GM, KAZ) have met 10 times in classical OTB. Kostenko leads with 3 wins to 2, with 5 draws — a 50% draw rate. Their last meeting at Cup of the Kazakhstan among men 2020 Final saw Kostenko prevail. With current classical ratings of 2338 and 2542, the Elo model gives Jumabayev a 63% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2338 vs 2542 (Δ -204)
With Petr Kostenko as white
18% Petr19% draw63% Rinat
With Rinat Jumabayev as white
12% Petr16% draw72% Rinat
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Petr Kostenko | Rinat Jumabayev | |
|---|---|---|
| Current rating (STD) | 2338 | 2542 |
| Peak rating | 2531 · Apr 2007 | 2658 · Oct 2021 |
| Peak age | 31 | 32 |
| World rank now | #3,022 | #355 |
| World rank peak | #463 | #79 |
| Federation rank now | #28 | #2 |
| Games (career, STD) | 848 | 1,398 |
| Months active | 219 | 217 |
| % white wins | 56% | 56% |
| % black wins | 49% | 44% |
| TPR last 12m (STD) | 2394 | 2538 |
| Activity 12m (games) | 76 | 125 |
Best Win
Petr Kostenko
Rinat Jumabayev
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (22)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Petr Kostenko
Rinat Jumabayev