Format
RO
Ruusunen, Onni
🇫🇮FIDE 515590· Male· Finland· Born in 2008
Follow Onni RuusunenTrack his monthly FIDE ratings, games, tournaments and more.
Onni Ruusunen, a 18-year-old Finnish player, is rated 2072 and sitting in the top 8% of players worldwide. He is climbing fast, having gained +87 Elo over the past 12 months. 43 rated games in the past year (≈28/year long-term). Recent standard appearances include Kangasalan elokelpoinen viikonlopputurnaus 25. - 26.4. A-ryhma, Akaan Shakin viikonlopputurnaus 2026 A-ryhma, and Finnish championship league 2025-2026 1 Div Group1 8. His peak of 2104 was reached at age 18 (May 2026).
At junior level, he reached #4, #3 and #5 nationally in U18, U16 and U14.
Current rating
2072
Standard
Rpd1692·Blz1774
All-time high
2104
−32 pts below
May 2026 · age 18
May 2026 · age 18
Activity
33
games / yr avg. · ≈3/mo
43 past 12 mo · ≈4/mo
classical only
Active
classical only
Active
Signature stat
Top 8%
#18,193 · players worldwide · of 218,279
Career timeline
10 entries2026
4th Finnish U18 player
at age 18 · rated 2104
May 2026
Crossed 2100
at age 18
May 2026
All-time peak 2104
at age 18 · −32 from today
May 2026
100 career games
at age 18
Feb 2026
2025
Crossed 2000
at age 17
Dec 2025
2024
3rd Finnish U16 player
at age 16 · rated 1949
Nov 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Evolution
+114
1958 → 2072
Tournaments
13
38 games
Score
22.5/ 3859.2%
18W9D11L
Top 3 wins
2.[W]vsJari JarvenpaaFM2,215·Kangasalan elokelpoinen viikonlopputurnaus 25. - 26.4. A-ryhma·R3·+26.2
Top 3 losses
Last 12 months — tournaments
13 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | May 2026 | 1.5/4 | #12 | 1961 | -32.0 |
Swiss | Apr 2026 | 3.5/4 | #1 | 2306 | +48.0 |
Swiss | Apr 2026 | 3/4 | #3 | 2160 | +27.2 |
Team | Mar 2026 | 0/1 | #50 | 1259 | -19.6 |
Team | Mar 2026 | 0/1 | #100 | 1359 | -13.6 |
Swiss | Feb 2026 | 3/4 | #2 | 2100 | +20.0 |
Team | Feb 2026 | 0/1 | #54 | 1247 | -20.4 |
Swiss | Jan 2026 | 3/4 | #4 | 2079 | +14.0 |
Swiss | Jan 2026 | 2.5/3 | #5 | 2344 | +48.8 |
Team | Jan 2026 | 0.5/1 | #19 | 2128 | +6.4 |
Most-Played Opponents
vsMiska Moisio
🇫🇮FIN·2025
+7 −3 =0
10 games·last met Apr 2026
View head-to-head →
vsAku SalonenFM
🇫🇮FIN·2247
+0 −9 =0
9 games·last met Jan 2026
View head-to-head →
vsHerman Hietanen
🇫🇮FIN·2173
+3 −5 =0
8 games·last met Jan 2026
View head-to-head →
vsAleksandr Hakkinen
🇫🇮FIN·1950
+1 −4 =2
7 games·last met Jan 2026
View head-to-head →
vsMatti Helmisola
🇫🇮FIN·1919
+3 −1 =2
6 games·last met Apr 2025
View head-to-head →
Rankings
/
Finland
#163
out of 813 players
Europe
#13,311
in continent
World
#18,193
out of 400,000+
National ranking
Europe & World
Europe
World
Finland
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| 163 | 2,072 | |
Europe
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World
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| 18193 | 2,072 | |