Format
BI
Bartzos, Iasonas
🇬🇷FIDE 42156130· Male· Greece· Born in 2016
Follow Iasonas BartzosTrack his monthly FIDE ratings, games, tournaments and more.
Iasonas Bartzos, a 10-year-old Greek player, is rated 1978 — his current career high and ranked 26th among players worldwide under 10. He is on a breakout run, having gained +362 Elo over the past 12 months. 88 rated games in the past year (≈65/year long-term). Recent standard appearances include 2026 National Youth Champiosnhips Finals - open U10, 3rd International Open Katerini chess 2026 - A, and 2026 Team Friendship Cup P. Kolyvas South Rounds 6-7. Also played 17 rapid (including 2nd Easter Marathon YES to CHESS 2026 - Rapid) and 6 blitz events (including 2025 Attica Blitz Championship) recently.
At junior level, he reached World #26 in U10 and World #60 in U8.
Current rating
1978
Standard
Rpd1795·Blz1813
All-time high
1978
at best
Jun 2026 · age 10
Jun 2026 · age 10
Activity
72
games / yr avg. · ≈6/mo
88 past 12 mo · ≈7/mo
classical only
Active
classical only
Active
Signature stat
#26
#26 · players worldwide under 10 · of 6,705
Career timeline
8 entries2026
26th U10 player worldwide
at age 10 · rated 1978
Jun 2026
All-time peak 1978
at age 10
Jun 2026
11-month rising streak
+379 Elo
Jun 2026
Crossed 1800
at age 10
Mar 2026
2025
100 career games
at age 9
Feb 2025
2024
Best 12-month gain (+472 Elo)
1161 → 1633
Jun 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Evolution
+323
1655 → 1978
Tournaments
14
88 games
Score
54.5/ 8861.9%
45W19D24L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
7 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Apr 2026 | 8/9 | #1 | 1951 | +4.8 |
Swiss | Mar 2026 | 3/7 | #77 | 1897 | +24.0 |
Open Swiss | Mar 2026 | 5.5/6 | #5 | 2180 | +43.2 |
Open Swiss | Mar 2026 | 1/1 | #22 | 2369 | +8.4 |
Open Swiss | Jan 2026 | 3.5/4 | #7 | 2025 | +40.4 |
Open Swiss | Jan 2026 | 5/7 | #5 | 1964 | +68.4 |
Swiss | Jan 2026 | 6/6 | #1 | 2316 | +2.4 |
Hot streak: 7 tournaments without losing Elo.
Most-Played Opponents
vsEvangelos Bartzos
🇬🇷GRE·1437
+8 −0 =0
8 games·last met Nov 2025
View head-to-head →
vsIoannis Kalonomos
🇬🇷GRE·1886
+1 −3 =3
7 games·last met Aug 2025
View head-to-head →
vsDionysios Galanis
🇬🇷GRE·1792
+3 −1 =1
5 games·last met Apr 2026
View head-to-head →
vsMichail Armaos
🇬🇷GRE·1964
+1 −4 =0
5 games·last met Dec 2025
View head-to-head →
vsIoannis Panopoulos
🇬🇷GRE·2039
+0 −5 =0
5 games·last met Oct 2025
View head-to-head →
Rankings
/
Greece
#388
out of 3,681 players
Europe
#23,008
in continent
World
#31,127
out of 400,000+
National ranking
Europe & World
Europe
World
Greece
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| 388 | 1,978 | |
Europe
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| 23008 | 1,978 | |
World
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| 31127 | 1,978 | |