Nikita An. Kalinin vs Leonid Efimov
Nikita An. Kalinin (17, FM, FID) and Leonid Efimov (17, FM, FID) have met 2 times in classical OTB plus 8 rapid/blitz games. Kalinin leads the classical series 1–0 (1 draw). With current classical ratings of 2326 and 2336, the Elo model gives Efimov a 33% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 2326 vs 2336 (Δ -10)
With Nikita An. Kalinin as white
40% Nikita26% draw33% Leonid
With Leonid Efimov as white
31% Nikita25% draw44% Leonid
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Nikita An. Kalinin | Leonid Efimov | |
|---|---|---|
| Current rating (STD) | 2326 | 2336-1 |
| Peak rating | 2344 · Dec 2024 | 2347 · Oct 2025 |
| Peak age | 15 | 16 |
| World rank now | #3,309 | #3,048 |
| World rank peak | #2,863 | #2,758 |
| Federation rank now | #80 | #74 |
| Games (career, STD) | 351 | 723 |
| Months active | 97 | 122 |
| % white wins | 58% | 59% |
| % black wins | 54% | 52% |
| TPR last 12m (STD) | 2289 | 2317 |
| Activity 12m (games) | 123 | 217 |
Best Win
Nikita An. Kalinin
Leonid Efimov
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (10)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Nikita An. Kalinin
Leonid Efimov