Jonathan Si Seng Ong
AUS · FIDE ID 3249417 · 7 tournament games since 2024
Standard
1738
#644 in AUS (active)
Rapid
1850
#261 in AUS (active)
Blitz
1900
#207 in AUS (active)
Score
21%
1 W · 1 D · 5 L
Opp. avg
2072
Last 7 games
Last game
2026-01-18
2026 Australian Junior Chess Championship
Prep summary
- As White: 1.e4 in 100% of games (scores 0%).
- Against 1.e4: 1...e6 in 3 of 3 games (French Defense), scoring 17%.
Based on 7 over-the-board games (1 classical · 1 blitz). 3 with White (0%), 4 with Black (38%).
Openings as White
First move
| 1.e4 | 3 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Four Knights Game: Scotch Variation Accepted | 1 | 0% |
| Nimzowitsch Defense: Scandinavian Variation, Exchange Variation | 1 | 0% |
| Sicilian Defense: Lasker-Pelikan Variation, Retreat Variation | 1 | 0% |
Openings as Black
Against 1.e4 (3 games)
| 1...e6 French Defense | 3 | 17% |
Against 1.d4 (1 game)
| 1...e6 Horwitz Defense | 1 | 100% |
Most played
| Opening | Games | Score |
|---|---|---|
| French Defense: Exchange Variation | 2 | 0% |
| Semi-Slav Defense: Main Line | 1 | 100% |
| French Defense: Tarrasch Variation, Open System | 1 | 50% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-01-18 | Savin Peramunetilleke 2026 Australian Junior Chess Championship · classical | L |
| 2025-04 | Anton Smirnov (2642) 2025 Sydney International Open - Blitz · blitz | L |
| 2024-07-10 | Justin Zhide Wang (1930) 2024 Sydney Championships | Blitz | L |
| 2024-07-10 | Clive Ng (2043) 2024 Sydney Championships | Blitz | L |
| 2024-07-10 | Matthew Ottley 2024 Sydney Championships | Blitz | W |
| 2024-07-10 | Micah Young (1897) 2024 Sydney Championships | Blitz | ½ |
| 2024-04-21 | Reyaansh Chakrabarty (1849) 2024 NSWCA City of Sydney Rapid | L |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.