Ong, Jonathan Si Seng
ACF ID: 2442740 • NSW • b. 2010 · Male
Ong, Jonathan Si Seng from NSW is an Australian chess player with ACF and FIDE rating history. This profile includes ACF ID 2442740 and FIDE ID 03249417.
Ong, Jonathan Si Seng current Australian chess ratings
- ACF classic rating
- 1563
- ACF classic list 2026-06
- ACF quick rating
- 1887
- ACF quick list 2026-06
- FIDE standard rating
- 1738
- FIDE rapid rating
- 1831
- FIDE blitz rating
- 1900
- State
- NSW
- ACF ID
- 2442740
- FIDE ID
- 03249417
FIDE rating
International standard — official FIDE profile
Standard
1738
Rapid
1831
Blitz
1900
FIDE rating history
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ACF Classic
1563!State rank #270 (NSW)
8 games • 2026-06
ACF Quick
1887!!State rank #128 (NSW)
27 games • 2026-06