2025 Oceanic Youth Championship U20 Open
25 players participated in this 9-round tournament, held from 13 Dec 2025 to 17 Dec 2025 in Brisbane, Australia. 12 titled players from 4 federations. Top 10 Elo average was 2201, and top seed was Felix Xie (🇳🇿 NZL, IM, 2389).
Felix Xie (🇳🇿 NZL, IM, 2389) won with 6.5/9, ahead of Ryder Testolin (6.5) and Harvey (Hanchen) Zhu (6.0). Xie won on tie-break after catching the field in the final round.
The biggest upset came in round 8: William Cameron (1711) beat Ren (Alex) Min (2023), a +312-point gap.
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How it unfolded
Top 6 · 9 roundsTight race until R4; 2 players tied at 6.5/9, decided on Buchholz.
IM Ryder Testolin takes the sole lead (3.5/4).
2 players finish on 6.5/9. Xie takes the title on Buchholz Cut1 (44.5).
IM Ryder Testolin drew with IM Felix Xie (White).
Key matchups · top 4
Head-to-head between the four finishers| Player | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| 1IMRyder Testolin | * | ½ | 1 | ½ |
| 2IMFelix Xie | ½ | * | ½ | ½ |
| 3FMReyaansh Chakrabarty | 0 | ½ | * | ½ |
| 4Harvey (Hanchen) Zhu | ½ | ½ | ½ | * |
Grille américaine
| # | Player | Elo | Fed | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | Pts | Bu C1 | Bu | SB | Perf | Δ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Xie, FelixIM | 2389 | NZL | +15N | =6B | +5N | =3B | =2N | +11B | =7N | =4B | +9N | 6.5 | 44.5 | 49.0 | 34.25 | 2320 | -10.2 |
| 2 | Testolin, RyderIM | 2215 | AUS | =10B | +19N | +12B | +11N | =1B | +4N | =3N | =5B | =7N | 6.5 | 43.5 | 47.0 | 32.75 | 2302 | +24.2 |
| 3 | Zhu, Harvey (Hanchen) | 2208 | AUS | +20N | =14B | +9N | =1N | =4B | +6N | =2B | =7B | =5N | 6.0 | 45.0 | 48.0 | 30.75 | 2282 | +36.9 |
| 4 | Chakrabarty, ReyaanshFM | 2274 | AUS | +8N | =5B | =6N | +15B | =3N | −2B | +11N | =1N | +12B | 6.0 | 44.5 | 49.0 | 30.75 | 2251 | -2.8 |
| 5 | Zafirakos, JesseCM | 2121 | AUS | +24B | =4N | −1B | +10N | =6B | =13N | +17B | =2N | =3B | 5.5 | 44.0 | 45.5 | 24.75 | 2186 | +18.4 |
| 6 | Gao, ArthurCM | 2121 | AUS | +23N | =1N | =4B | +7B | =5N | −3B | +12N | −9B | +13N | 5.5 | 43.5 | 45.5 | 25.50 | 2245 | +61.2 |
| 7 | Renjith, SravanIM | 2374 | NZL | +17B | =12N | =11B | −6N | +14B | +9N | =1B | =3N | =2B | 5.5 | 43.0 | 47.0 | 27.50 | 2204 | -32.4 |
| 8 | Hartley, JamesCM | 1963 | AUS | −4B | +24N | +17B | =13N | −11B | =10N | +21B | =12B | +18N | 5.5 | 35.5 | 37.0 | 19.50 | 2052 | +18.8 |
| 9 | Tew, Yao Zen MarkisCM | 2053 | NZL | =19B | +10N | −3B | =17N | +13B | −7B | +18N | +6N | −1B | 5.0 | 41.0 | 44.5 | 22.75 | 2126 | +16.0 |
| 10 | Chen, Dean | 1908 | AUS | =2N | −9B | +20N | −5B | +16N | =8B | −13N | +25N | +17B | 5.0 | 38.5 | 38.5 | 17.50 | 2003 | +37.2 |
| 11 | Iddon, Atash | 2028 | AUS | +25N | +13B | =7N | −2B | +8N | −1N | −4B | =15B | =16N | 4.5 | 43.5 | 43.5 | 17.25 | 2090 | +19.6 |
| 12 | Leong, BenjaminCM | 2106 | AUS | +16N | =7B | −2N | =14B | +15N | +18B | −6B | =8N | −4N | 4.5 | 42.5 | 46.5 | 20.75 | 2065 | -16.4 |
| 13 | Hu, YifeiFM | 2151 | AUS | +22B | −11N | +14N | =8B | −9N | =5B | +10B | =17N | −6B | 4.5 | 39.5 | 42.5 | 20.00 | 2000 | -65.0 |
| 14 | Min, Ren (Alex) | 2023 | AUS | +21B | =3N | −13B | =12N | −7N | =15B | +22N | −16B | +23B | 4.5 | 35.5 | 37.5 | 15.50 | 1976 | -11.0 |
| 15 | Tan, Oscar | 1984 | AUS | −1B | +23N | +22B | −4N | −12B | =14N | +20B | =11N | =21B | 4.5 | 35.0 | 37.0 | 14.00 | 2034 | +7.8 |
| 16 | Cameron, William | 1711 | AUS | −12B | −17N | +23B | =22N | −10B | =19N | +25B | +14N | =11B | 4.5 | 31.0 | 31.0 | 12.00 | 1877 | +29.4 |
| 17 | Verma, RudraCM | 1967 | AUS | −7N | +16B | −8N | =9B | +24N | +20B | −5N | =13B | −10N | 4.0 | 38.5 | 40.0 | 13.75 | 1937 | -14.8 |
| 18 | Retnaraja, Ethan | 1923 | AUS | F | F | +19B | +21N | +22B | −12N | −9B | +23N | −8B | 4.0 | 26.5 | 26.5 | 11.50 | 1908 | -4.4 |
| 19 | Jigando, Neo | 1706 | AUS | =9N | −2B | −18N | +23B | −20N | =16B | F | =21N | +25B | 3.5 | 28.0 | 28.0 | 8.25 | 1781 | +16.8 |
| 20 | Reid, Kevin | 1839 | AUS | −3B | +21N | −10B | =24N | +19B | −17N | −15N | =22B | F | 3.0 | 30.5 | 30.5 | 8.75 | 1742 | -20.6 |
| 21 | Field, Alex | 0 | AUS | −14N | −20B | F | −18B | +25N | +24B | −8N | =19B | =15N | 3.0 | 26.5 | 26.5 | 5.50 | 1720 | 0.0 |
| 22 | Khurram, Mikyle | 1812 | AUS | −13N | +25B | −15N | =16B | −18N | F | −14B | =20N | +24B | 3.0 | 26.5 | 26.5 | 5.25 | 1748 | -14.2 |
| 23 | Prasad, RudrCM | 1806 | FIJ | −6B | −15B | −16N | −19N | F | +25B | +24N | −18B | −14N | 2.0 | 28.0 | 28.0 | 1.50 | 1574 | -37.4 |
| 24 | Bouchard, Maxime | 1711 | NCL | −5N | −8B | +25N | =20B | −17B | −21N | −23B | F | −22N | 1.5 | 26.0 | 26.0 | 1.50 | 1516 | -40.8 |
| 25 | FIDE 22400680 | 0 | — | −11B | −22N | −24B | F | −21B | −23N | −16N | −10B | −19N | 0.0 | 27.0 | 27.0 | 0.00 | 1012 | 0.0 |
Key insights
Biggest movers and upsets — the story behind the numbers.
- 1Gao, ArthurCMAUS+61.25.5 pts · #5
- 2Chen, DeanAUS+37.25.0 pts · #13
- 3Zhu, Harvey (Hanchen)AUS+36.96.0 pts · #4
- 1Hu, YifeiFMAUS-65.04.5 pts · #9
- 2Bouchard, MaximeNCL-40.81.5 pts · #24
- 3Prasad, RudrCMFIJ-37.42.0 pts · #23
- R8+312 Elo gap
- R4+253 Elo gap
- R2+123 Elo gap