Irina Len vs Marsel Efroimski
Irina Len (66, WFM, ISR) and Marsel Efroimski (31, IM, ISR) have met 10 times in classical OTB. Efroimski leads with 5 wins to 3, with 2 draws — a 20% draw rate. Their last meeting at Israeli national women league saw Efroimski prevail. With current classical ratings of 1960 and 2386, the Elo model gives Efroimski a 86% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1960 vs 2386 (Δ -426)
With Irina Len as white
5% Irina10% draw86% Marsel
With Marsel Efroimski as white
2% Irina8% draw89% Marsel
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Irina Len | Marsel Efroimski | |
|---|---|---|
| Current rating (STD) | 1960 | 2386 |
| Peak rating | 2143 · Jun 2014 | 2470 · Nov 2022 |
| Peak age | 54 | 27 |
| World rank now | #34,635 | #1,926 |
| World rank peak | #14,759 | #913 |
| Federation rank now | #487 | #60 |
| Games (career, STD) | 217 | 1,217 |
| Months active | 217 | 193 |
| % white wins | 47% | 48% |
| % black wins | 31% | 41% |
| TPR last 12m (STD) | 1982 | 2341 |
| Activity 12m (games) | 30 | 109 |
Best Win
Irina Len
Marsel Efroimski
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (13)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Irina Len
Marsel Efroimski