CChessStats

2025 Oceanic Youth Championship U20 Open

SwissStandard

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.

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
Top seed
🇳🇿IMFelix Xie2389
Avg top 10
2,201
Participants
25
Titled players · 12
IM×3
FM×2
CM×7
Federations · 4 represented
🇦🇺Australia×19
🇳🇿New Zealand×3
🇳🇨Unknown (NCL)×1
🇫🇯Fiji×1
Top 3

How it unfolded

Top 6 · 9 rounds

Tight race until R4; 2 players tied at 6.5/9, decided on Buchholz.

Co-leaders
10
1
4
1
1
1
1
1
2
2.54.579R1R2R3R4R5R6R7R8R9Testolin takes lead
R4 · LEADER CHANGE14 Dec

IM Ryder Testolin takes the sole lead (3.5/4).

R9 · TIEBREAK CLUSTER

2 players finish on 6.5/9. Xie takes the title on Buchholz Cut1 (44.5).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

IM Ryder Testolin drew with IM Felix Xie (White).

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1IMRyder Testolin*
½
1
½
2IMFelix Xie
½
*
½
½
3FMReyaansh Chakrabarty
0
½
*
½
4Harvey (Hanchen) Zhu
½
½
½
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Xie, FelixIM2389NZL+15N=6B+5N=3B=2N+11B=7N=4B+9N6.544.549.034.252320-10.2
2Testolin, RyderIM2215AUS=10B+19N+12B+11N=1B+4N=3N=5B=7N6.543.547.032.752302+24.2
3Zhu, Harvey (Hanchen)2208AUS+20N=14B+9N=1N=4B+6N=2B=7B=5N6.045.048.030.752282+36.9
4Chakrabarty, ReyaanshFM2274AUS+8N=5B=6N+15B=3N2B+11N=1N+12B6.044.549.030.752251-2.8
5Zafirakos, JesseCM2121AUS+24B=4N1B+10N=6B=13N+17B=2N=3B5.544.045.524.752186+18.4
6Gao, ArthurCM2121AUS+23N=1N=4B+7B=5N3B+12N9B+13N5.543.545.525.502245+61.2
7Renjith, SravanIM2374NZL+17B=12N=11B6N+14B+9N=1B=3N=2B5.543.047.027.502204-32.4
8Hartley, JamesCM1963AUS4B+24N+17B=13N11B=10N+21B=12B+18N5.535.537.019.502052+18.8
9Tew, Yao Zen MarkisCM2053NZL=19B+10N3B=17N+13B7B+18N+6N1B5.041.044.522.752126+16.0
10Chen, Dean1908AUS=2N9B+20N5B+16N=8B13N+25N+17B5.038.538.517.502003+37.2
11Iddon, Atash2028AUS+25N+13B=7N2B+8N1N4B=15B=16N4.543.543.517.252090+19.6
12Leong, BenjaminCM2106AUS+16N=7B2N=14B+15N+18B6B=8N4N4.542.546.520.752065-16.4
13Hu, YifeiFM2151AUS+22B11N+14N=8B9N=5B+10B=17N6B4.539.542.520.002000-65.0
14Min, Ren (Alex)2023AUS+21B=3N13B=12N7N=15B+22N16B+23B4.535.537.515.501976-11.0
15Tan, Oscar1984AUS1B+23N+22B4N12B=14N+20B=11N=21B4.535.037.014.002034+7.8
16Cameron, William1711AUS12B17N+23B=22N10B=19N+25B+14N=11B4.531.031.012.001877+29.4
17Verma, RudraCM1967AUS7N+16B8N=9B+24N+20B5N=13B10N4.038.540.013.751937-14.8
18Retnaraja, Ethan1923AUSFF+19B+21N+22B12N9B+23N8B4.026.526.511.501908-4.4
19Jigando, Neo1706AUS=9N2B18N+23B20N=16BF=21N+25B3.528.028.08.251781+16.8
20Reid, Kevin1839AUS3B+21N10B=24N+19B17N15N=22BF3.030.530.58.751742-20.6
21Field, Alex0AUS14N20BF18B+25N+24B8N=19B=15N3.026.526.55.5017200.0
22Khurram, Mikyle1812AUS13N+25B15N=16B18NF14B=20N+24B3.026.526.55.251748-14.2
23Prasad, RudrCM1806FIJ6B15B16N19NF+25B+24N18B14N2.028.028.01.501574-37.4
24Bouchard, Maxime1711NCL5N8B+25N=20B17B21N23BF22N1.526.026.01.501516-40.8
25FIDE 22400680011B22N24BF21B23N16N10B19N0.027.027.00.0010120.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets