2025 Oceania Youth Championship U18 Open
Open SwissStandard
39 players participated in this 9-round tournament, held from 13 Dec 2025 to 17 Dec 2025 in Brisbane, Australia. 17 titled players from 5 federations. Top 10 Elo average was 2140, and top seed was Daqi Mao (🇳🇿 NZL, FM, 2217).
Tedric Li (🇦🇺 AUS, IM, 2203) won with 7.0/9, ahead of Daqi Mao (6.5) and Eric Liu (6.5). Li shared the lead from round 8 and broke clear in the final round.
The biggest upset came in round 1: Austin Chen (CM, 1844) beat Rui Gen Teh (FM, 2150), a +306-point gap.
Location
🇦🇺Brisbane, Australia
Dates
13 Dec 2025 → 17 Dec 2025
Time control
Standard: 90 minutes with 30 second increment from move 1
System
Swiss · 9 rounds
Titled players · 17
IM×1
FM×7
CM×9
Federations · 5 represented
🇦🇺Australia×32
🇳🇿New Zealand×3
🇻🇺Vanuatu×1
🇳🇨Unknown (NCL)×1
🇫🇯Fiji×1
How it unfolded
Top 6 · 9 roundsIM Tedric Li led from R9; +0.5-point edge over the runner-up. Title race converged from 9 co-leaders at R4 to 1 by R9.
Co-leaders
17
5
5
9
2
1
1
3
1
R9 · LEADER CHANGE17 Dec
IM Tedric Li takes the sole lead (7.0/9).
R1–R9 · UNBEATEN
IM Tedric Li went unbeaten across 9 games (R1–R9).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMTedric Li | * | 1 | ½ | 1 |
| 2FMEric Liu | 0 | * | ½ | — |
| 3FMDaqi Mao | ½ | ½ | * | — |
| 4FMRheyansh Reddy Annapureddy | 0 | — | — | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Li, TedricIM | 2203 | AUS | =24N | +13B | +3N | =5B | =7N | +4B | =2B | +10N | +6B | 7.0 | 47.0 | 51.0 | 40.00 | 2245 | +20.8 |
| 2 | Mao, DaqiFM | 2217 | NZL | +8N | =5B | =7N | +23B | +16N | =11B | =1N | =3B | +21B | 6.5 | 44.5 | 48.5 | 33.50 | 2218 | +5.2 |
| 3 | Liu, EricFM | 2008 | AUS | +34B | =9N | −1B | +19N | =10B | +12N | +21B | =2N | +7B | 6.5 | 42.5 | 45.5 | 30.25 | 2181 | +88.0 |
| 4 | Annapureddy, Rheyansh ReddyFM | 2090 | AUS | +19B | +10N | =22B | =21N | =18B | −1N | +14B | +9N | +5N | 6.5 | 41.0 | 45.0 | 31.75 | 2186 | +47.6 |
| 5 | Wang, DanielCM | 2031 | AUS | +31B | =2N | +9B | =1N | +22B | +21N | +7B | −6N | −4B | 6.0 | 44.5 | 47.5 | 28.25 | 2192 | +81.2 |
| 6 | Ooi, JaydenFM | 2175 | AUS | +32B | =23N | =18B | +14N | =21B | =9N | +22B | +5B | −1N | 6.0 | 39.5 | 42.5 | 26.75 | 2160 | -4.4 |
| 7 | Yu, ZacharyCM | 2023 | NZL | +29B | +20N | =2B | =22N | =1B | +18N | −5N | +11B | −3N | 5.5 | 44.0 | 47.5 | 26.25 | 2133 | +58.8 |
| 8 | Jiang, Benjamin Wise | 1918 | AUS | −2B | =31N | =30B | +36N | +32B | =22N | =12B | =13N | +20B | 5.5 | 34.5 | 36.5 | 19.75 | 2008 | +43.6 |
| 9 | Chang, Ethan | 2071 | AUS | +28N | =3B | −5N | +25B | +13N | =6B | =11N | −4B | =15N | 5.0 | 44.0 | 47.5 | 23.75 | 2026 | -19.2 |
| 10 | Leong, JoelCM | 1933 | AUS | +35N | −4B | +28N | =11B | =3N | =16B | +15N | −1B | =17N | 5.0 | 43.5 | 45.5 | 21.25 | 2009 | +30.0 |
| 11 | Thogata, RandheerFM | 2206 | AUS | +14B | =18N | =23B | =10N | +17B | =2N | =9B | −7N | =13B | 5.0 | 41.5 | 45.5 | 25.00 | 2044 | -70.8 |
| 12 | Teh, Rui GenFM | 2150 | AUS | −13N | +24B | +15N | −16B | +28N | −3B | =8N | =23B | +19N | 5.0 | 39.5 | 43.0 | 21.75 | 1945 | -88.0 |
| 13 | Chen, AustinCM | 1844 | AUS | +12B | −1N | =20B | +31N | −9B | =32N | +25B | =8B | =11N | 5.0 | 39.0 | 42.0 | 21.00 | 2044 | +86.0 |
| 14 | He, Andrew | 1914 | AUS | −11N | +37B | +26N | −6B | +23N | =25B | −4N | +28B | =16N | 5.0 | 38.0 | 39.0 | 17.00 | 1985 | +32.0 |
| 15 | Fu, Neil | 1843 | AUS | −21N | +29B | −12B | +38N | =19B | +20N | −10B | +22N | =9B | 5.0 | 35.5 | 36.0 | 17.25 | 1981 | +54.4 |
| 16 | Rupasinghe, Sayum | 1951 | AUS | +39B | −22N | +38B | +12N | −2B | =10N | +18B | −21N | =14B | 5.0 | 34.5 | 34.5 | 15.00 | 1997 | +22.8 |
| 17 | He, Zhi Yu (Paul) | 1961 | NZL | +33N | −21B | =25N | +30B | −11N | =26B | =28N | +34N | =10B | 5.0 | 32.0 | 35.0 | 17.75 | 1870 | -33.2 |
| 18 | Xing, ZeruiCM | 2031 | AUS | +26N | =11B | =6N | +20B | =4N | −7B | −16N | −19B | +28N | 4.5 | 41.0 | 44.5 | 20.75 | 1979 | -19.6 |
| 19 | Fu, Charles | 1818 | AUS | −4N | =33B | +24N | −3B | =15N | =23B | +32B | +18N | −12B | 4.5 | 38.5 | 41.5 | 17.50 | 1939 | +54.8 |
| 20 | Kalina, LeoCM | 2103 | AUS | +25N | −7B | =13N | −18N | +33B | −15B | +26N | +24B | −8N | 4.5 | 37.5 | 40.5 | 17.50 | 1868 | -100.0 |
| 21 | Gao, OscarCM | 2114 | AUS | +15B | +17N | F | =4B | =6N | −5B | −3N | +16B | −2N | 4.0 | 46.5 | 50.5 | 21.25 | 2034 | -33.2 |
| 22 | Peramunetilleke, SethCM | 2060 | AUS | +37N | +16B | =4N | =7B | −5N | =8B | −6N | −15B | =24N | 4.0 | 43.5 | 44.5 | 16.75 | 1923 | -62.4 |
| 23 | Rusakov, JeanFM | 2016 | AUS | F | =6B | =11N | −2N | −14B | =19N | +29B | =12N | +26B | 4.0 | 39.5 | 39.5 | 17.75 | 1965 | -13.2 |
| 24 | Hong, Xavier | 1907 | AUS | =1B | −12N | −19B | =26B | +35N | =29N | +31B | −20N | =22B | 4.0 | 35.5 | 37.5 | 14.25 | 1814 | -41.2 |
| 25 | Bennett, Harrison | 1836 | AUS | −20B | +34N | =17B | −9N | +36B | =14N | −13N | −26B | +31B | 4.0 | 34.5 | 36.5 | 13.00 | 1785 | -24.4 |
| 26 | Carrigan, William | 1625 | AUS | −18B | +32N | −14B | =24N | +31B | =17N | −20B | +25N | −23N | 4.0 | 34.0 | 37.0 | 14.50 | 1869 | +96.8 |
| 27 | Liaw, RyanCM | 2066 | AUS | +30B | +38N | F | F | F | F | F | +29N | +34B | 4.0 | 14.5 | 14.5 | 10.50 | 2498 | +11.4 |
| 28 | Chan, Benny | 1815 | AUS | −9B | +39N | −10B | +29N | −12B | +33N | =17B | −14N | −18B | 3.5 | 36.0 | 36.0 | 9.00 | 1774 | -20.8 |
| 29 | Kodituwakku, Damhiru | 1594 | AUS | −7N | −15N | +39B | −28B | +37N | =24B | −23N | −27B | +38N | 3.5 | 27.5 | 27.5 | 3.50 | 1709 | +31.6 |
| 30 | Phillips, Max | 1763 | AUS | −27N | +35B | =8N | −17N | F | F | +38B | +33B | −32N | 3.5 | 23.0 | 23.0 | 8.25 | 1722 | -12.4 |
| 31 | Kaemo, Arden | 1654 | NCL | −5N | =8B | +33N | −13B | −26N | +37B | −24N | =32B | −25N | 3.0 | 34.5 | 35.5 | 8.25 | 1690 | +10.4 |
| 32 | Devin, Alex | 1871 | AUS | −6N | −26B | F | +37B | −8N | =13B | −19N | =31N | +30B | 3.0 | 32.5 | 32.5 | 8.50 | 1733 | -62.4 |
| 33 | Ramprasad, Nachiket | 1540 | AUS | −17B | =19N | −31B | +34N | −20N | −28B | +36B | −30N | =35B | 3.0 | 29.0 | 31.0 | 8.25 | 1635 | +29.2 |
| 34 | Shen, Alvin | 1587 | AUS | −3N | −25B | −37N | −33B | +38B | +36N | +35N | −17B | −27N | 3.0 | 27.5 | 28.0 | 4.50 | 1514 | -26.0 |
| 35 | Singh, Praveer | 0 | FIJ | −10B | −30N | −36B | +39N | −24B | =38N | −34B | F | =33N | 2.0 | 21.0 | 21.0 | 1.75 | 1472 | 0.0 |
| 36 | Zhitong Sean | 1693 | VAN | F | F | +35N | −8B | −25N | −34B | −33N | +38B | F | 2.0 | 18.0 | 18.0 | 2.50 | 920 | -75.2 |
| 37 | Yevdokimov, Theo | 1761 | AUS | −22B | −14N | +34B | −32N | −29B | −31N | F | F | F | 1.0 | 21.5 | 21.5 | 3.00 | 1507 | -76.0 |
| 38 | FIDE 11403950 | 0 | — | F | −27B | −16N | −15B | −34N | =35B | −30N | −36N | −29B | 0.5 | 28.0 | 28.0 | 1.00 | 985 | 0.0 |
| 39 | Tiong, Rayden | 1495 | AUS | −16N | −28B | −29N | −35B | F | F | F | F | F | 0.0 | 14.0 | 14.0 | 0.00 | 967 | -22.8 |
Key insights
Biggest movers and upsets — the story behind the numbers.
Top rating gainers
- 1Carrigan, WilliamAUS+96.84.0 pts · #20
- 2Liu, EricFMAUS+88.06.5 pts · #2
- 3Chen, AustinCMAUS+86.05.0 pts · #14
Top rating losers
- 1Kalina, LeoCMAUS-100.04.5 pts · #16
- 2Teh, Rui GenFMAUS-88.05.0 pts · #11
- 3Yevdokimov, TheoAUS-76.01.0 pts · #35
Biggest upsets
- R1+306 Elo gap
- R6+260 Elo gap
- R2+246 Elo gap