Format
CT
Claessens, Thomas
🇧🇪FIDE 289469· Male· Belgium· Born in 2008
Follow Thomas ClaessensTrack his monthly FIDE ratings, games, tournaments and more.
Thomas Claessens, a 18-year-old Belgian player, is rated 2019 — just 9 short of his peak of 2028 (Feb 2026, age 18). He is on a breakout run, having gained +155 Elo over the past 12 months. 84 rated games in the past year (≈64/year long-term). Recent standard appearances include Tournoi Soultanbeieff 2026 Ronde 9, Tournoi Soultanbeieff 2026 Ronde 8, and Tournoi Soultanbeieff 2026 Ronde 7. Also played 1 rapid (including JEF 2026 - Etape 3 (CRELEL)) and 1 blitz events (including Blitz Fide de rentree 2025) recently.
At junior level, he reached #14 and #15 nationally in U18 and U16.
Current rating
2019
Standard
Rpd1656·Blz1883
All-time high
2028
−9 pts below
Feb 2026 · age 18
Feb 2026 · age 18
Activity
62
games / yr avg. · ≈5/mo
71 past 12 mo · ≈6/mo
classical only
Active
classical only
Active
Signature stat
#24,693
#24,693 · players worldwide · of 218,279
Career timeline
9 entries2026
Best 12-month gain (+155 Elo)
1864 → 2019
Jun 2026
Re-crossed 2000
at age 18
Apr 2026
14th Belgian U18 player
at age 18 · rated 2028
Feb 2026
All-time peak 2028
at age 18 · −9 from today
Feb 2026
2025
Crossed 2000
at age 17
Dec 2025
100 career games
at age 17
Sep 2025
Standard rating history
Peak
FIDE title
Threshold
First rated
Activity & highlights
Top opponent
Evolution
+56
1963 → 2019
Tournaments
41
72 games
Score
45/ 7262.5%
35W22D15L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
19 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Jun 2026 | 0.5/1 | #126 | 2109 | +4.8 |
Open Swiss | Apr 2026 | 1/1 | #16 | 2719 | +15.2 |
Open Swiss | Apr 2026 | 0.5/1 | #30 | 1923 | -4.4 |
Open Swiss | Apr 2026 | 0.5/1 | #28 | 2027 | +1.2 |
Open Swiss | Apr 2026 | 0.5/1 | #27 | 2022 | +0.8 |
Team | Mar 2026 | 0/1 | #1255 | 1508 | -5.6 |
Team | Mar 2026 | 0/1 | #205 | 1256 | -16.8 |
Open Swiss | Mar 2026 | 1/1 | #6 | 2768 | +18.4 |
Team | Mar 2026 | 0/1 | #1409 | 1261 | -16.4 |
Open Swiss | Mar 2026 | 0.5/1 | #29 | 1847 | -8.0 |
Rankings
/
Belgium
#310
out of 3,338 players
Europe
#18,205
in continent
World
#24,693
out of 400,000+
National ranking
Europe & World
Europe
World
Belgium
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