CChessStats

2025 Oceania Youth Championship U20-U18 Girls

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20 players participated in this 9-round tournament, held from 13 Dec 2025 to 17 Dec 2025 in Brisbane, Australia. 13 titled players from 5 federations. Top 10 Elo average was 1904, and top seed was Isabelle Yixuan Ning (🇳🇿 NZL, CM, 2057).

Isabelle Yixuan Ning (🇳🇿 NZL, CM, 2057) won with 8.0/9, ahead of Chao Xin Cheng (7.0) and Chloe Fan (6.5). Ning took the lead from round 4.

The biggest upset came in round 7: Tanvi Prasad (WCM, 1540) beat Linda (Zhiling) Qian (WCM, 1772), a +232-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
🇳🇿CMIsabelle Yixuan Ning2057
Avg top 10
1,904
Participants
20
Titled players · 13
CM×1
WFM×4
WCM×8
Federations · 5 represented
🇦🇺Australia×12
🇳🇿New Zealand×5
🇻🇺Vanuatu×1
🇬🇺Guam×1
🇫🇯Fiji×1
Top 3

How it unfolded

Top 6 · 9 rounds

CM Isabelle Yixuan Ning led from R4; +1.0-point edge over the runner-up.

Co-leaders
8
2
1
1
2
1
1
1
1
2.54.579R1R2R3R4R5R6R7R8R9Ning takes lead
Ning8Cheng7Fan6.5Sun6Xu5.5Yin5
R4 · LEADER CHANGE14 Dec

CM Isabelle Yixuan Ning takes the sole lead (3.5/4).

R5 · HEAD-TO-HEAD · WINNER VS 2ND

CM Isabelle Yixuan Ning drew with WFM Chao Xin Cheng (Black).

WIN STREAKS · 2 top finishers

CM Isabelle Yixuan Ning 4 wins (R6–R9)WFM Chao Xin Cheng 3 wins (R6–R8)

Key matchups · top 4

Head-to-head between the four finishers
Player1234
1CMIsabelle Yixuan Ning*
½
1
1
2WFMChao Xin Cheng
½
*
1
0
3WFMChloe Fan
0
0
*
1
4WCMWanyao Sarah Sun
0
1
0
*

Grille américaine

#PlayerEloFedR1R2R3R4R5R6R7R8R9PtsBu C1BuSBPerfΔ
1Ning, Isabelle YixuanCM2057NZL+17B=12N+9B+4B=2N+6N+3B+5B+8N8.044.047.041.252224+56.8
2Cheng, Chao XinWFM2011AUS+11N+13B−4N+3B=1B+9N+8B+10N=7B7.044.048.536.002071+28.4
3Fan, ChloeWFM1979AUS+6B=10N+12B−2N+7B+4N−1N+9B+14B6.544.548.531.252019+22.0
4Sun, Wanyao SarahWCM1841NZL+20N+16B+2B−1N+11N−3B+10B+6N−5N6.044.545.025.001948+54.0
5Xu, Luna YuexiuWCM1872NZL=7B+15N=10B=6N−9B+17N+14B−1N+4B5.541.044.024.251881+6.4
6Yin, Grace (Tingwen)1746AUS−3N+8N+14B=5B+13N−1B=9N−4B+16N5.044.047.522.001907+36.8
7Guan, IsabellaWCM1706AUS=5N−9B+15N+12B−3N−10N+11B+18B=2N5.041.044.022.251847+63.6
8Vincent, AlainaWFM1958AUS−13N−6B+19N+16N+14B+11B−2N+12B−1B5.041.042.518.001843-23.8
9Braganza, NadiaWFM1848NZL=15B+7N−1N+13B+5N−2B=6B−3N=10B4.546.050.021.751832-3.6
10Katakam, Deethya Sai1783AUS+19N=3B=5N−11B+12N+7B−4N−2B=9N4.543.545.019.251817+17.6
11Qian, VickyWCM1767AUS−2B+18N+16B+10N−4B−8N−7N=13B+20N4.538.539.013.751751-8.4
12Feng, SophiaWCM1837NZL+18B=1B−3N−7N−10B+20N+15B−8N+19N4.537.538.013.001741-38.4
13Wu, Alice1727AUS+8B−2N+17B−9N−6B−14N+20B=11N+18B4.536.036.513.751783+25.6
14Retnaraja, Athena-MalarWCM1855AUS−16N+20B−6N+17B−8N+13B−5N+19B−3N4.034.535.09.501706-64.4
15Lin, Michelle1606AUS=9N−5B−7B+18N−16B+19N−12N+20B=17B4.030.531.08.751653+20.4
16He, Angela1646AUS+14B−4N−11N−8B+15N−18B+19B=17N−6B3.534.536.011.001651-0.8
17Qian, Linda (Zhiling)WCM1772AUS−1N+19B−13N−14N+20B−5B−18N=16B=15N3.034.034.55.751580-90.4
18Prasad, TanviWCM1540FIJ−12N−11B=20N−15B=19B+16N+17B−7N−13N3.030.531.07.501553+1.4
19Delrieu Kaina1497VAN−10B−17N−8B+20B=18N−15B−16N−14N−12B1.531.532.02.001447-26.4
20Camacho, Natalie Terese1549GUM−4B−14N=18B−19N−17N−12B−13N−15N−11B0.533.535.01.501271-86.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers
Top rating losers
Biggest upsets