2025 Oceania Youth Championship U12 Open

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50 players participated in this 9-round tournament, held from 13 Dec 2025 to 17 Dec 2025 in Brisbane, Australia. 2 titled players from 4 federations. Top 10 Elo average was 1837, and top seed was Khushal Lingineni (🇦🇺 AUS, CM, 2020).

Lucas Zhao (🇦🇺 AUS, CM, 1822) won with 8.0/9, ahead of Richard Jingjie Liu (7.0) and Khushal Lingineni (7.0). Zhao won solo starting round 6.

The biggest upset came in round 2: Yuwei Wang (1653) beat James Marcus Justo (1960), a +307-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

🇦🇺CMKhushal Lingineni2020

Avg top 10

1,837

Participants

Titled players · 2

CM×2

Federations · 4 represented

🇦🇺Australia×39

🇳🇿New Zealand×6

🇻🇺Vanuatu×1

🇬🇺Guam×1

Top 3

🥇
CMLucas Zhao
🇦🇺AUS·1822
8.0pts·2089perf+103.6
🥈
Richard Jingjie Liu
🇳🇿NZL·1898
7.0pts·1945perf+25.6
🥉
CMKhushal Lingineni
🇦🇺AUS·2020
7.0pts·1969perf-14.8

How it unfolded

Top 6 · 9 rounds

CM Lucas Zhao led from R4; +1.0-point edge over the runner-up.

Co-leaders

Zhao8Liu7Lingineni7Zhou6.5Li6.5He6

R4–R9 · LEAD HELD

CM Lucas Zhao never relinquished the lead after R4; final gap +1.0 over the runner-up.

R5 · HEAD-TO-HEAD · WINNER VS 2ND

CM Lucas Zhao drew with Richard Jingjie Liu (White).

WIN STREAKS · 3 top finishers

CM Lucas Zhao 4 wins (R1–R4)Richard Jingjie Liu 3 wins (R1–R3)CM Khushal Lingineni 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1CMLucas Zhao	*	½	1	—
2Richard Jingjie Liu	½	*	½	1
3CMKhushal Lingineni	0	½	*	—
4Martin Zhou	—	0	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Zhao, LucasCM	1822	AUS	+22N	+13B	+10N	+3N	=2B	+8N	+9B	=4B	+6N	8.0	48.5	53.0	46.25	2089	+103.6
2	Liu, Richard Jingjie	1898	NZL	+44N	+16B	+5N	=7B	=1N	+11B	=3N	+8B	=4N	7.0	50.0	53.5	39.75	1945	+25.6
3	Lingineni, KhushalCM	2020	AUS	+24N	+20B	+6N	−1B	+10N	+9N	=2B	=12B	+8N	7.0	48.0	52.5	38.25	1969	-14.8
4	Li, Austin	1598	AUS	+48B	=8N	−15B	+40N	+23B	+30N	+10B	=1N	=2B	6.5	43.0	44.5	29.25	1860	+94.0
5	Zhou, Martin	1730	NZL	+35B	+17N	−2B	=34N	+16B	+7N	−8B	+15N	+12B	6.5	42.5	46.0	31.75	1863	+57.2
6	He, Nathan	1773	AUS	+42B	+14N	−3B	+18N	−8B	+22N	+15B	+23N	−1B	6.0	45.0	48.5	28.00	1847	+32.4
7	Wang, Yuwei	1653	AUS	+32N	+15B	+11N	=2N	−9B	−5B	=29N	+18N	+17B	6.0	43.5	47.5	30.00	1841	+77.6
8	Tay, Mason	1765	AUS	+33N	=4B	+38N	+29B	+6N	−1B	+5N	−2N	−3B	5.5	49.0	52.5	27.25	1771	+2.0
9	Xing, Zeqi	1777	AUS	+39N	+21B	=29N	+19B	+7N	−3B	−1N	=11B	=20B	5.5	45.5	49.0	26.75	1789	+10.0
10	Yuan, Winson	1711	AUS	+43N	+34B	−1B	+13N	−3B	+26N	−4N	+29B	=11N	5.5	44.5	48.0	23.75	1711	-1.6
11	Godinho, Isaac	1798	AUS	+30B	+18N	−7B	=16N	+17B	−2N	+34B	=9N	=10B	5.5	43.0	46.5	25.50	1740	-22.8
12	Zang, Chen Bi	1707	AUS	+28B	−29N	=24B	+27N	+34B	=15N	+18B	=3N	−5N	5.5	41.0	44.5	25.75	1730	+8.4
13	Shirawala, Sahar	1637	AUS	+50B	−1N	+33B	−10B	=46N	+27N	−23B	+26N	+34B	5.5	37.5	37.5	18.00	1581	-13.2
14	Zhu, Alex	1628	AUS	+37N	−6B	=36N	=46B	−25N	+32B	=35N	+31B	+23B	5.5	33.5	36.5	21.00	1547	-12.8
15	Justo, James Marcus	1960	GUM	+25B	−7N	+4N	+20B	=19N	=12B	−6N	−5B	+29N	5.0	45.0	49.0	25.25	1718	-98.4
16	Mantello, Sonny	1651	AUS	+45B	−2N	+30B	=11B	−5N	=24N	=17B	+25B	=21N	5.0	42.0	45.5	22.00	1646	-3.2
17	Threlfall, Leo	1599	AUS	+36N	−5B	=46N	+31B	−11N	+25B	=16N	+19B	−7N	5.0	40.0	43.0	21.00	1641	+10.4
18	Wang, Caleb	1649	AUS	+47N	−11B	+39N	−6B	+29N	+19B	−12N	−7B	+30N	5.0	39.5	42.5	19.50	1648	+0.4
19	Jiang, Patrick Di	1826	NZL	=27B	+25N	+23B	−9N	=15B	−18N	+30B	−17N	+22B	5.0	38.5	42.5	22.25	1668	-63.2
20	Fan, Xinyao	1670	AUS	+41B	−3N	+22B	−15N	−26B	+31B	=25N	+39B	=9N	5.0	38.5	42.0	20.50	1697	+4.0
21	Shu, John	1602	AUS	+26B	−9N	+35B	−23N	−30B	+42N	=22B	+38N	=16B	5.0	35.0	38.5	19.75	1371	-59.2
22	Batagoda, Bevin Yashel	1473	AUS	−1B	+45N	−20N	+38B	+36N	−6B	=21N	+24B	−19N	4.5	40.5	44.0	17.50	1516	+7.2
23	Awad, Jonah	1706	AUS	+46N	=38B	−19N	+21B	−4N	+37B	+13N	−6B	−14N	4.5	40.5	43.5	18.75	1552	-50.0
24	Fan, Aiden	1554	AUS	−3B	+27N	=12N	=36B	=37N	=16B	=26B	−22N	+32B	4.5	38.5	42.0	19.50	1580	+2.4
25	Chen, Marlon	1538	AUS	−15N	−19B	+49B	+28N	+14B	−17N	=20B	−16N	+45B	4.5	38.5	40.0	17.50	1526	-7.2
26	Kininmonth, Peter	0	AUS	−21N	=43B	=44N	+39B	+20N	−10B	=24N	−13B	+35N	4.5	36.0	39.5	17.75	1533	0.0
27	Si, William	1478	NZL	=19N	−24B	+47N	−12B	+38N	−13B	−31N	+36B	+40N	4.5	35.0	38.0	16.00	1355	-20.8
28	Chen, Max	0	AUS	−12N	−36B	+50N	−25B	=39N	=47B	=41N	+46B	+37N	4.5	30.0	30.0	11.50	1282	0.0
29	Joseph, Ethan	1561	AUS	+31N	+12B	=9B	−8N	−18B	+40N	=7B	−10N	−15B	4.0	42.0	45.5	18.75	1587	+4.0
30	Zi, Noah	1447	AUS	−11N	+32B	−16N	+41B	+21N	−4B	−19N	+44B	−18B	4.0	39.5	43.0	16.00	1501	+11.2
31	So, Marcus	0	AUS	−29B	=40N	+42B	−17N	+35B	−20N	+27B	−14N	=41B	4.0	34.5	38.0	15.00	1348	0.0
32	Xu, Martin	0	AUS	−7B	−30N	+48B	−35N	+33B	−14N	+47N	+37B	−24N	4.0	34.0	35.5	12.00	770	0.0
33	Song, George	0	AUS	−8B	+50N	−13N	−37B	−32N	−41B	+48B	+49N	+47N	4.0	28.0	28.0	6.00	897	0.0
34	Chi, Jaden	1557	AUS	F	−10N	+41B	=5B	−12N	+46B	−11N	+35B	−13N	3.5	38.5	38.5	13.25	1348	-37.6
35	Yang, Allen	0	AUS	−5N	+37B	−21N	+32B	−31N	+36B	=14B	−34N	−26B	3.5	36.5	40.0	13.75	1307	0.0
36	Koulanov, Yaroslav	0	NZL	−17B	+28N	=14B	=24N	−22B	−35N	=42B	−27N	+49B	3.5	35.5	37.0	12.75	1306	0.0
37	Elliott, Samuel	0	AUS	−14B	−35N	+45B	+33N	=24B	−23N	+40B	−32N	−28B	3.5	34.0	37.5	13.25	1355	0.0
38	Wang, Zack Chubo	0	NZL	F	=23N	−8B	−22N	−27B	+43B	+46N	−21B	+39N	3.5	34.0	34.0	12.25	1383	0.0
39	Ong, Caleb	1422	AUS	−9B	+49N	−18B	−26N	=28B	+48N	+45B	−20N	−38B	3.5	33.0	34.5	8.75	900	-20.4
40	Bansal, Dhruv	0	AUS	F	=31B	+43N	−4B	+44N	−29B	−37N	+42N	−27B	3.5	33.0	33.0	12.50	1337	0.0
41	Hsu, Julian	0	AUS	−20N	+44B	−34N	−30N	−42B	+33N	=28B	=43B	=31N	3.5	32.0	35.5	13.50	1346	0.0
42	Zhou, Yan Tong	0	AUS	−6N	=47B	−31N	=43B	+41N	−21B	=36N	−40B	+48N	3.5	32.0	33.5	10.00	892	0.0
43	FIDE 3299635	0	—	−10B	=26N	−40B	=42N	=45B	−38N	+50B	=41N	=46B	3.5	30.5	30.5	9.00	911	0.0
44	Zhao, Sayge	1481	AUS	−2B	−41N	=26B	+47N	−40B	−45N	+49B	−30N	+50B	3.5	30.5	30.5	6.75	865	-25.2
45	Kim, Dan	0	AUS	−16N	−22B	−37N	+50B	=43N	+44B	−39N	+48B	−25N	3.5	29.5	29.5	6.75	1273	0.0
46	Choi, San	0	AUS	−23B	+48N	=17B	=14N	=13B	−34N	−38B	−28N	=43N	3.0	35.5	37.0	11.25	1474	0.0
47	Guo, Carlos	0	AUS	−18B	=42N	−27B	−44B	+49N	=28N	−32B	+50N	−33B	3.0	30.5	30.5	5.50	736	0.0
48	Nand Armaan	0	VAN	−4N	−46B	−32N	=49B	+50N	−39B	−33N	−45N	−42B	1.5	29.5	29.5	0.75	710	0.0
49	FIDE 3273920	0	—	F	−39B	−25N	=48N	−47B	+50B	−44N	−33B	−36N	1.5	23.5	23.5	0.75	680	0.0
50	FIDE 3299627	0	—	−13N	−33B	−28B	−45N	−48B	−49N	−43N	−47B	−44N	0.0	29.0	30.5	0.00	755	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Zhao, LucasCMAUS
+103.6
8.0 pts · #1
2Li, AustinAUS
+94.0
6.5 pts · #12
3Wang, YuweiAUS
+77.6
6.0 pts · #9

Top rating losers

1Justo, James MarcusGUM
-98.4
5.0 pts · #7
2Jiang, Patrick DiNZL
-63.2
5.0 pts · #10
3Shu, JohnAUS
-59.2
5.0 pts · #30

Biggest upsets

R2+307 Elo gap
Wang, Yuwei1653 beat Justo, James Marcus1960
R8+230 Elo gap
Zhou, Martin1730 beat Justo, James Marcus1960
R8+227 Elo gap
Threlfall, Leo1599 beat Jiang, Patrick Di1826