Format
RR
Rathnayake, R M S O
🇱🇰FIDE 80862314· Male· Sri Lanka· Born in 2011
Follow R M S O RathnayakeTrack his monthly FIDE ratings, games, tournaments and more.
R M S O Rathnayake, a 15-year-old Sri Lankan player, is rated 1597. He has fluctuated between 1597 and 1643 over the past 2 years. 17 rated games in the past year (≈20/year long-term). Recent standard appearances include Sri Lanka Major Division Chess Championships 2026 - Uwa, Sri Lanka National Youth Chess Championships 2025 - Under 15 Years, and Kandy Open International Chess Championship 2025. His peak of 1643 was reached at age 15 (Jan 2026).
At junior level, he reached #83 and #36 nationally in U16 and U14.
Current rating
1597
Standard
Rpd—·Blz—
All-time high
1643
−46 pts below
Jan 2026 · age 15
Jan 2026 · age 15
Activity
18
games / yr avg. · ≈2/mo
17 past 12 mo · ≈1/mo
classical only
Moderately active
classical only
Moderately active
Signature stat
#147,546
#147,546 · players worldwide · of 216,808
Career timeline
7 entries2026
83rd Sri Lankan U16 player
at age 15 · rated 1643
Jan 2026
All-time peak 1643
at age 15 · −46 from today
Jan 2026
2025
36th Sri Lankan U14 player
at age 14 · rated 1623
Jan 2025
Crossed 1600
at age 14
Jan 2025
Crossed 1500
at age 14
Jan 2025
Crossed 1400
at age 14
Jan 2025
Standard rating history
Last 12 months — activity & highlights
Top opponent
Evolution
-24
1621 → 1597
Tournaments
3
21 games
Score
13.5/ 2164.3%
13W1D7L
Top 3 wins
2.[W]vsNalindu Thathsara1,508·Sri Lanka National Youth Chess Championships 2025 - Under 15 Years·R2·+13.0
Top 3 losses
1.[L]vsN Shree Akshath1,517·Sri Lanka National Youth Chess Championships 2025 - Under 15 Years·R7·-26.5
Last 12 months — tournaments
3 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Feb 2026 | 5/4 | #11 | 2283 | -31.6 |
Open Swiss | Jan 2026 | 4.5/8 | #52 | 1622 | -10.8 |
Open Swiss | Nov 2025 | 4/5 | #110 | 1871 | +15.6 |
Worst Elo result: Sri Lanka Major Division Chess Championships 2026 - Uwa (-31.6 Elo, finished #11).
Rankings
/
Sri Lanka
#777
out of 3,705 players
Asia-Pacific
#24,135
in continent
World
#147,533
out of 400,000+
National ranking
Europe & World
Europe
World
Sri Lanka
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| ... | ||
| 777 | 1,597 | |
Asia-Pacific
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| 2 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
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| ... | ||
| 24135 | 1,597 | |
World
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| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
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| ... | ||
| 147533 | 1,597 | |