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FIDE ID 3249417 · born 2010 · last updated 10/5/2026
Search for the accounts Jonathan Si Seng Ong plays online, then open one to see its openings and practice the lines.
FIDE standard
1738
FIDE rapid
1850
FIDE blitz
1900
7 tournament games found. The search uses all of them.
From Lichess broadcasts. Latest game: 1/18/2026.
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Search for Jonathan Si Seng Ong's online accounts first. Then open one to see the openings it plays, move by move, and practice the positions.
Real tournament games of Jonathan Si Seng Ong from public sources. Select a game to replay it on the board.
All games
+1 =1 -5 · score 21% · 7 games
As White
+0 =0 -3 · score 0% · 3 games
As Black
+1 =1 -2 · score 38% · 4 games
Peramunetilleke, Savin
Ong, Jonathan Si Seng(1826)0-1
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| Event | Games | Dates |
|---|---|---|
| 2026 Australian Junior Chess Championship | 1 | 2026-01-18 |
| 2025 Sydney International Open - Blitz | 1 | 2025-04-01 |
| 2024 Sydney Championships | Blitz | 4 | 2024-07-10 |
| 2024 NSWCA City of Sydney Rapid | 1 | 2024-04-21 |