Format
SX
Siebert, Xavier
🇧🇪FIDE 268623· Male· Belgium· Born in 1976
Follow Xavier SiebertTrack his monthly FIDE ratings, games, tournaments and more.
Xavier Siebert, a 50-year-old Belgian player, is rated 1795. He has slipped back 48 Elo over the past 12 months. 39 rated games in the past year (≈32/year long-term). Recent standard appearances include Brussels Spring Competition 2026 Rounds 1-2, Belgian Interclubs Round 2025-2026 Ronde 11, and Interclubs FEFB 2026 Ronde 2. Also played 1 rapid (including Paul Marcus Memorial FIDE Grand Rapid 2026) and 4 blitz events (including Blitz Mattheys 2025) recently. His peak of 1851 was reached at age 49 (May 2025).
Current rating
1795
Standard
Rpd1750·Blz1745
All-time high
1851
−56 pts below
May 2025 · age 49
May 2025 · age 49
Activity
34
games / yr avg. · ≈3/mo
37 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
#77,970
#77,970 · players worldwide · of 218,279
Career timeline
9 entries2025
72nd Belgian 45-50 player
at age 49 · rated 1851
Oct 2025
All-time peak 1851
at age 49 · −56 from today
May 2025
100 career games
at age 49
Mar 2025
2024
7-month rising streak
+220 Elo
Jun 2024
Best 12-month gain (+281 Elo)
1541 → 1822
May 2024
Crossed 1800
at age 48
Apr 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Top opponent
Evolution
-43
1838 → 1795
Tournaments
23
35 games
Score
15.5/ 3544.3%
10W11D14L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
17 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | May 2026 | 0.5/1 | #74 | 1764 | -0.8 |
Open Swiss | Apr 2026 | 1.5/2 | #10 | 1964 | +8.0 |
Team | Apr 2026 | 0/1 | #1293 | 890 | -13.2 |
Team | Apr 2026 | 0.5/1 | #121 | 1697 | -3.0 |
Open Swiss | Mar 2026 | 0.5/1 | #31 | 1753 | -2.4 |
Team | Mar 2026 | 0.5/1 | #815 | 2029 | +5.4 |
Team | Mar 2026 | 0/1 | #1378 | 1238 | -4.4 |
Open Swiss | Mar 2026 | 1/3 | #59 | 1655 | -13.4 |
Team | Mar 2026 | 0.5/1 | #555 | 1939 | +3.4 |
Team | Feb 2026 | 0/1 | #1246 | 1143 | -6.6 |
Most-Played Opponents
vsJelle Pepermans
🇧🇪BEL·1879
+3 −3 =1
7 games·last met Dec 2025
View head-to-head →
vsMohamed Mechkor
🇧🇪BEL·1808
+4 −2 =0
6 games·last met Dec 2025
View head-to-head →
vsLeo Brunet Vrijens
🇧🇪BEL·1934
+0 −5 =1
6 games·last met Nov 2025
View head-to-head →
vsBenjamin Alberola Mulet
🇪🇸ESP·1945
+0 −4 =1
5 games·last met Feb 2025
View head-to-head →
vsGerald Grodent
🇧🇪BEL·1926
+1 −3 =1
5 games·last met Sep 2024
View head-to-head →
Rankings
/
Belgium
#1,209
out of 3,338 players
Europe
#56,387
in continent
World
#77,969
out of 400,000+
National ranking
Europe & World
Europe
World
Belgium
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Europe
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World
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