Format
KS
Keustermans, Sieme
🇧🇪FIDE 283517· Male· Belgium· Born in 2013
Follow Sieme KeustermansTrack his monthly FIDE ratings, games, tournaments and more.
Sieme Keustermans, a 13-year-old Belgian player, is rated 1525 — his current career high. He is currently in the 1500–1550 range. 13 rated games in the past year. Recent standard appearances include Belgian Interclubs Round 2025-2026 Ronde 11, Belgian Interclubs Round 2025-2026 Ronde 6, and Belgian Interclubs Round 2025-2026 Ronde 2.
At junior level, he reached #74 nationally in U14.
Current rating
1525
Standard
Rpd—·Blz—
All-time high
1525
at best
May 2026 · age 13
May 2026 · age 13
Activity
78
games / yr avg. · ≈7/mo
13 past 12 mo · ≈1/mo
classical only
Active
classical only
Active
Signature stat
#175,073
#175,073 · players worldwide · of 216,808
Career timeline
6 entries2026
74th Belgian U14 player
at age 13 · rated 1525
May 2026
All-time peak 1525
at age 13
May 2026
Crossed 1500
at age 13
Mar 2026
Crossed 1400
at age 13
Mar 2026
Crossed 1200
at age 13
Mar 2026
First FIDE rating
1514 · at age 13
Mar 2026
Standard rating history
Last 12 months — activity & highlights
Evolution
+11
1514 → 1525
Tournaments
3
3 games
Score
0/ 30.0%
0W0D3L
Top wins
No standard wins or draws in the last 12 months.
Top 1 loss
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Team | Apr 2026 | 0/1 | #1312 | 857 | 0.0 |
Team | Jan 2026 | 0/1 | #1126 | 771 | 0.0 |
Team | Oct 2025 | 0/1 | #1236 | 744 | 0.0 |
Hot streak: 3 tournaments without losing Elo.
Rankings
/
Belgium
#2,667
out of 3,309 players
Europe
#112,160
in continent
World
#175,033
out of 400,000+
National ranking
Europe & World
Europe
World
Belgium
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