Format
SR
Samaraweera, R B Sethum
🇱🇰FIDE 29953731· Male· Sri Lanka· Born in 2011
Follow R B Sethum SamaraweeraTrack his monthly FIDE ratings, games, tournaments and more.
R B Sethum Samaraweera, a 15-year-old Sri Lankan player, is rated 1768 — his current career high. He is rising rapidly, having gained +159 Elo over the past 12 months. 31 rated games in the past year (≈26/year long-term). Recent standard appearances include Battle of the Kings International Rated Team Chess Championship 2026, Sri Lanka National Youth Chess Championships 2025 - Under 15 Years, and Sri Lanka National Amateur Championships 2025.
At junior level, he reached #48, #52 and #13 nationally in U16, U14 and U12.
Current rating
1768
Standard
Rpd1546·Blz1619
All-time high
1768
at best
Jun 2026 · age 15
Jun 2026 · age 15
Activity
25
games / yr avg. · ≈2/mo
31 past 12 mo · ≈3/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#86,513
#86,513 · players worldwide · of 218,279
Career timeline
9 entries2026
48th Sri Lankan U16 player
at age 15 · rated 1768
Jun 2026
All-time peak 1768
at age 15
Jun 2026
2025
52nd Sri Lankan U14 player
at age 14 · rated 1675
Nov 2025
Crossed 1600
at age 14
Mar 2025
2024
Best 12-month gain (+343 Elo)
1222 → 1565
Jul 2024
Crossed 1500
at age 13
Mar 2024
Standard rating history
Peak
FIDE title
Threshold
First rated
FIDE recal.
Activity & highlights
Best result
Battle of the Kings International Rated Team Chess Championship 2026perf 1999 (+231) · 4.5/5 · #14
Top opponent
Evolution
+136
1632 → 1768
Tournaments
4
25 games
Score
17.5/ 2570.0%
15W5D5L
Top 3 wins
2.[W]vsP M Menuka Sathsilu1,692·Battle of the Kings International Rated Team Chess Championship 2026·R5·+15.7
Top 3 losses
2.[L]vsPerumpuli Arachchi Lithula Raveesh1,674·Sri Lanka National Amateur Championships 2025·R4·-20.1
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 4.5/5 | #14 | 1999 | +55.2 |
Open Swiss | Jan 2026 | 5/7 | #37 | 1784 | +38.8 |
Open Swiss | Oct 2025 | 5.5/7 | #38 | 1836 | +26.8 |
Open Swiss | Sep 2025 | 2.5/5 | #50 | 1701 | +13.6 |
Hot streak: 4 tournaments without losing Elo.
Rankings
/
Sri Lanka
#227
out of 3,598 players
Asia-Pacific
#10,835
in continent
World
#86,511
out of 400,000+
National ranking
Europe & World
Europe
World
Sri Lanka
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| ... | ||
| 227 | 1,768 | |
Asia-Pacific
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| ... | ||
| 10835 | 1,768 | |
World
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| ... | ||
| 86511 | 1,768 | |