Format
IO
Iolis, Oleg
🇧🇪FIDE 204684· Male· Belgium· Born in 1959
Follow Oleg IolisTrack his monthly FIDE ratings, games, tournaments and more.
Oleg Iolis, a 67-year-old Belgian player, is rated 2120 and sitting in the top 6% of players worldwide. He has slipped back 66 Elo over the past 12 months. 109 rated games in the past year (≈40/year long-term). Recent standard appearances include Tournoi individuel FEFB 2026 - ACCESSION, Belgian Interclubs Round 2025-2026 Ronde 11, and Interclubs FEFB 2026 Ronde 2. Also played 1 rapid event (including 18th Memorial Jose & Hilda Tonoli 2025 - Belgian Rapid Championship 2025) recently. His peak of 2228 was reached at age 63 (Dec 2022, Belgian #64 at the time).
Current rating
2120
Standard
Rpd2104·Blz2098
All-time high
2228
−108 pts below
Dec 2022 · age 63
Dec 2022 · age 63
Activity
112
games / yr avg. · ≈9/mo
87 past 12 mo · ≈7/mo
classical only
Very active
classical only
Very active
Signature stat
Top 6%
#13,621 · players worldwide · of 218,279
Career timeline
27 entries2026
Re-crossed 2100
at age 67
May 2026
2025
3rd Belgian 65-70 player
at age 66 · rated 2211
Jul 2025
Best 12-month gain (+99 Elo)
2112 → 2211
Jul 2025
Re-crossed 2200
at age 66
Jul 2025
2024
Re-crossed 2100
at age 65
Nov 2024
2022
Peak Belgian rank: #64
at age 63 · rated 2228
Dec 2022
Standard rating history
Peak
FIDE title
Threshold
First rated
COVID-19
Activity & highlights
Top opponent
Evolution
-91
2211 → 2120
Tournaments
29
97 games
Score
56.5/ 9758.2%
47W19D31L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
19 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Jun 2026 | 3.5/6 | #21 | 2249 | +19.4 |
Open Swiss | Jun 2026 | 3/6 | #90 | 1929 | -26.4 |
Team | May 2026 | 0.5/1 | #146 | 2076 | -1.2 |
Open Swiss | May 2026 | 5.5/7 | #6 | 2121 | +3.8 |
Round-Robin | Apr 2026 | 3.5/8 | #6 | 2068 | -5.4 |
Team | Apr 2026 | 1/1 | #4 | 2737 | +5.8 |
Team | Apr 2026 | 1/1 | #67 | 2817 | +7.8 |
Open Swiss | Apr 2026 | 4.5/6 | #7 | 2145 | +9.6 |
Team | Mar 2026 | 0.5/1 | #736 | 2217 | +3.0 |
Team | Mar 2026 | 0/1 | #1365 | 1397 | -7.6 |
Most-Played Opponents
vsMaxime HauchampsFM
🇧🇪BEL·2408
+2 −4 =3
9 games·last met Apr 2026
View head-to-head →
vsFilippos RaptisCM
🇧🇪BEL·2273
+2 −3 =2
7 games·last met May 2026
View head-to-head →
vsIvan Werner
🇧🇪BEL·2094
+3 −4 =0
7 games·last met Aug 2024
View head-to-head →
vsClaudio Piacentini
🇧🇪BEL·1982
+4 −2 =0
6 games·last met May 2026
View head-to-head →
vsThibault RealFM
🇧🇪BEL·2236
+2 −3 =1
6 games·last met May 2024
View head-to-head →
Rankings
/
Belgium
#164
out of 3,338 players
Europe
#9,855
in continent
World
#13,621
out of 400,000+
National ranking
Europe & World
Europe
World
Belgium
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| 164 | 2,120 | |
Europe
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| 2 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,767 |
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| ... | ||
| 9855 | 2,120 | |
World
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| 7 | 🇳🇱Follow Anish GiriTrack their monthly FIDE ratings, games, tournaments and more. | 2,764 |
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| 13621 | 2,120 | |