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Ong, Jonathan Si Seng

2010, AU
Standard
1738.0
Career Peak 1827 (2025)Official 1738
28 days ago
Rapid
1850.0
Career Peak 1850 (2026)Official 1850
17 days ago
Blitz
1900.0
Career Peak 1905 (2026)Official 1900
77 days ago

Recent results

Date
Tournament
Change
2026-05-01
2026 Sydney International Open - ChallengersFIDE
↑71.2
2026-02-01
2026 Australian Junior Championship U16 OpenFIDE
↓51.2
2026-02-01
2026 Australian ReservesFIDE
↓99.6
2026 Sydney International Open - ChallengersFIDE↑71.2
2026-05-01
2026 Australian Junior Championship U16 OpenFIDE↓51.2
2026-02-01
2026 Australian ReservesFIDE↓99.6
2026-02-01