Format
JK
Janarthanan, Kethushan
🇱🇰FIDE 29974755· Male· Sri Lanka· Born in 2009
Follow Kethushan JanarthananTrack his monthly FIDE ratings, games, tournaments and more.
Kethushan Janarthanan, a 17-year-old Sri Lankan player, is rated 1832 and sitting in the top 4% of Sri Lankan players. He is climbing fast, having gained +164 Elo over the past 12 months. 36 rated games in the past year (≈30/year long-term). Recent standard appearances include Jaffna International Chess Championship 2025, Sri Lanka National Team Championships 2025, and Asian Junior Chess Championship 2025. Also played 1 rapid (including Asian Junior Chess Championship 2025 - Rapid) and 2 blitz events (including Asian Junior Chess Championship 2025 - Blitz) recently. His peak of 1886 was reached at age 16 (Dec 2025); he also reached Sri Lankan #83 in Oct 2025.
At junior level, he reached #23, #12 and #22 nationally in U18, U16 and U14.
Current rating
1832
Standard
Rpd1585·Blz1620
All-time high
1886
−54 pts below
Dec 2025 · age 16
Dec 2025 · age 16
Activity
31
games / yr avg. · ≈3/mo
36 past 12 mo · ≈3/mo
classical only
Active
classical only
Active
Signature stat
Top 4%
#141 · Sri Lankan players · of 3,250
Career timeline
10 entries2026
23rd Sri Lankan U18 player
at age 17 · rated 1833
Jan 2026
2025
All-time peak 1886
at age 16 · −54 from today
Dec 2025
Peak Sri Lankan rank: #83
at age 16 · rated 1884
Oct 2025
12th Sri Lankan U16 player
at age 16 · rated 1884
Oct 2025
Crossed 1800
at age 16
Aug 2025
100 career games
at age 16
Aug 2025
Standard rating history
Activity & highlights
Top opponent
Evolution
+136
1696 → 1832
Tournaments
4
34 games
Score
24/ 3470.6%
22W4D8L
Top 3 wins
2.[W]vsK V Tharuka Hansana1,834·Sri Lanka National Premier Division Chess Championship 2025·R10·+23.0
Top 3 losses
3.[L]vsSethun Neththaru Manuwaruna1,831·Sri Lanka National Premier Division Chess Championship 2025·R7·-17.2
Last 12 months — tournaments
4 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Dec 2025 | 8/6 | #52 | 2328 | -53.2 |
Open Swiss | Sep 2025 | 4.5/5 | #4 | 2116 | +58.8 |
Open Swiss | Jun 2025 | 5.5/9 | #16 | 1802 | +48.8 |
Open Swiss | Jun 2025 | 6/10 | #44 | 1852 | +84.8 |
Rankings
/
Sri Lanka
#141
out of 3,705 players
Asia-Pacific
#7,986
in continent
World
#66,579
out of 400,000+
National ranking
Europe & World
Europe
World
Sri Lanka
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| ... | ||
| 141 | 1,832 | |
Asia-Pacific
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| 2 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
| 3 | 🇨🇳Follow Yi WeiTrack their monthly FIDE ratings, games, tournaments and more. | 2,753 |
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| ... | ||
| 7986 | 1,832 | |
World
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| 5 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,776 |
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| 7 | 🇩🇪Follow Vincent KeymerTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 7 | 🇫🇷Follow Alireza FirouzjaTrack their monthly FIDE ratings, games, tournaments and more. | 2,759 |
| 9 | 🇺🇸Follow Wesley SoTrack their monthly FIDE ratings, games, tournaments and more. | 2,754 |
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| ... | ||
| 66579 | 1,832 | |