Format
UJ
Udayanithi, J
🇱🇰FIDE 29997739· Male· Sri Lanka· Born in 2009
Follow J UdayanithiTrack his monthly FIDE ratings, games, tournaments and more.
J Udayanithi, a 17-year-old Sri Lankan player, is rated 1806 — his current career high. He is rising rapidly, having gained +237 Elo over the past 12 months. 76 rated games in the past year (≈48/year long-term). Recent standard appearances include Sri Lanka National Chess Championships 2026 - Premier Division, Sri Lanka Major Division Chess Championships 2026 - Nothern Province, and Sri Lanka National Youth Chess Championships 2025 - Under 17 Years. Also played 2 rapid (including Asian Junior Chess Championship 2025 - Rapid) and 5 blitz events (including Asian Junior Chess Championship 2025 - Blitz) recently.
At junior level, he reached #31 and #40 nationally in U18 and U16.
Current rating
1789
Standard
Rpd1679·Blz1633
All-time high
1806
−17 pts below
Apr 2026 · age 17
Apr 2026 · age 17
Activity
48
games / yr avg. · ≈4/mo
80 past 12 mo · ≈7/mo
classical only
Active
classical only
Active
Signature stat
#74,429
#74,429 · players worldwide · of 216,807
Career timeline
8 entries2026
31st Sri Lankan U18 player
at age 17 · rated 1806
Apr 2026
Crossed 1800
at age 17
Apr 2026
All-time peak 1806
at age 17
Apr 2026
100 career games
at age 17
Apr 2026
2025
40th Sri Lankan U16 player
at age 16 · rated 1714
Aug 2025
Crossed 1600
at age 16
Jul 2025
Standard rating history
Activity & highlights
Best result
Sri Lanka Major Division Chess Championships 2026 - Nothern Provinceperf 2452 (+646) · 6/6 · #4
Top opponent
Evolution
+112
1677 → 1789
Tournaments
11
86 games
Score
51/ 8659.3%
38W26D22L
Top 3 wins
1.[W]vsRamiru Sithika Gunawardena1,732·Sri Lanka National Premier Division Chess Championship 2025·R2·+23.1
2.[W]vsH R Homindu Dulaj Prematunge1,697·Sri Lanka National Premier Division Chess Championship 2025·R4·+21.2
3.[W]vsD Kalindu Deshappriya1,697·Sri Lanka National Premier Division Chess Championship 2025·R11·+21.2
Top 3 losses
Last 12 months — tournaments
11 events| Event | Date | Score | Rank | Perf | Δ Elo |
|---|---|---|---|---|---|
Open Swiss | Apr 2026 | 2.5/4 | #116 | 1812 | -16.8 |
Open Swiss | Mar 2026 | 5.5/11 | #49 | 1769 | +12.4 |
Open Swiss | Feb 2026 | 6/6 | #4 | 2452 | +52.8 |
Open Swiss | Jan 2026 | 4.5/7 | #10 | 1785 | +10.0 |
Open Swiss | Dec 2025 | 7.5/8 | #57 | 2084 | +38.8 |
Open Swiss | Dec 2025 | 7/8 | #23 | 2006 | +33.6 |
Open Swiss | Oct 2025 | 2.5/3 | #106 | 1795 | -28.0 |
Open Swiss | Sep 2025 | 0.5/3 | #147 | 1551 | -23.2 |
Open Swiss | Jun 2025 | 4.5/9 | #42 | 1681 | +32.4 |
Open Swiss | Jun 2025 | 5/11 | #74 | 1701 | +70.0 |
Rankings
/
Sri Lanka
#196
out of 3,598 players
Asia-Pacific
#9,825
in continent
World
#79,809
out of 400,000+
National ranking
Europe & World
Europe
World
Sri Lanka
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| ... | ||
| 196 | 1,789 | |
Asia-Pacific
| 1 | 🇺🇿Follow Nodirbek AbdusattorovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 1 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
| 3 | 🇮🇳Follow Erigaisi ArjunTrack their monthly FIDE ratings, games, tournaments and more. | 2,761 |
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| ... | ||
| 9825 | 1,789 | |
World
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| 4 | 🇺🇿Follow Javokhir SindarovTrack their monthly FIDE ratings, games, tournaments and more. | 2,777 |
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| ... | ||
| 79809 | 1,789 | |