Format
SL
Sijben, Len
🇧🇪FIDE 286869· Male· Belgium· Born in 1981
Follow Len SijbenTrack his monthly FIDE ratings, games, tournaments and more.
Len Sijben, a 45-year-old Belgian player, is rated 1679 — just 24 short of his peak of 1703 (Aug 2025, age 44). He has held steady between 1650 and 1700 for 9 months. 26 rated games in the past year (≈29/year long-term). Recent standard appearances include Belgian Interclubs Round 2025-2026 Ronde 11, Zilveren Toren 2026 Reeks 2 Ronde 8, and Belgian Interclubs Round 2025-2026 Ronde 8. Also played 1 rapid event (including Rokade Rapid Chess 2026) recently.
Current rating
1679
Standard
Rpd1688·Blz—
All-time high
1703
−24 pts below
Aug 2025 · age 44
Aug 2025 · age 44
Activity
28
games / yr avg. · ≈2/mo
19 past 12 mo · ≈2/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#117,510
#117,510 · players worldwide · of 218,279
Career timeline
8 entries2025
99th Belgian 40-45 player
at age 44 · rated 1703
Aug 2025
All-time peak 1703
at age 44 · −24 from today
Aug 2025
2024
K-factor lowered to 20
at age 43
Dec 2024
Best 12-month gain (+270 Elo)
1389 → 1659
May 2024
Crossed 1600
at age 43
Mar 2024
Crossed 1500
at age 43
Mar 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Top opponent
Evolution
-10
1689 → 1679
Tournaments
12
14 games
Score
4.5/ 1432.1%
3W7D4L
Top 3 wins
Top 3 losses
Last 12 months — tournaments
12 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Swiss | Jun 2026 | 1/1 | #7 | 2261 | +4.4 |
Team | Apr 2026 | 0/1 | #998 | 915 | -9.2 |
Open Swiss | Mar 2026 | 0.5/1 | #17 | 1725 | +1.4 |
Team | Mar 2026 | 0.5/1 | #649 | 1801 | +3.2 |
Open Swiss | Feb 2026 | 0.5/1 | #17 | 1778 | +2.0 |
Open Swiss | Feb 2026 | 0/1 | #22 | 1141 | -3.6 |
Open Swiss | Feb 2026 | 0.5/1 | #12 | 1676 | -0.6 |
Team | Feb 2026 | 0.5/1 | #636 | 1752 | +1.8 |
Open Swiss | Jan 2026 | 0.5/1 | #20 | 1608 | -2.2 |
Team | Nov 2025 | 0/1 | #1325 | 1054 | -5.8 |
Rankings
/
Belgium
#1,904
out of 3,338 players
Europe
#81,769
in continent
World
#117,505
out of 400,000+
National ranking
Europe & World
Europe
World
Belgium
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