2026 O2C Doeberl Cup Minor

Open SwissStandard

98 players participated in this 7-round tournament, held from 03 Apr 2026 to 06 Apr 2026 in Canberra, Australia. 8 federations represented. Top 10 Elo average was 1761, and top seed was Nicholas Lee (🇦🇺 AUS, 1814).

Nicholas Lee (🇦🇺 AUS, 1814) won with 7.0/7, ahead of Louis Serfontein (6.0) and Yu Pu (6.0). Lee won solo starting round 6.

The biggest upset came in round 4: Rohan Majety (1433) beat Trent Parker (1769), a +336-point gap.

Location

🇦🇺Canberra, Australia

Dates

03 Apr 2026 → 06 Apr 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 7 rounds

Top seed

🇦🇺Nicholas Lee1814

Avg top 10

1,761

Participants

Federations · 8 represented

🇦🇺Australia×86

🇨🇳China×2

🇳🇿New Zealand×2

🇸🇬Singapore×2

🇮🇳India×2

🇹🇼Chinese Taipei×2

🇭🇰Hong Kong China×1

🇧🇹Bhutan×1

Top 3

🥇
Nicholas Lee
🇦🇺AUS·1814
7.0pts·2410perf+66.4
🥈
Louis Serfontein
🇦🇺AUS·1599
6.0pts·2007perf+137.2
🥉
Yu Pu
🇹🇼TPE·1604
6.0pts·1934perf+88.8

How it unfolded

Top 6 · 7 rounds

Nicholas Lee led from R6; +1.0-point edge over the runner-up. Title race converged from 3 co-leaders at R4 to 1 by R6.

Co-leaders

Lee7Pu6Serfontein6Yi-Chen5.5Chai5.5Xi5.5

R6–R7 · LEAD HELD

Nicholas Lee never relinquished the lead after R6; final gap +1.0 over the runner-up.

WIN STREAKS · 3 top finishers

Nicholas Lee 7 wins (R1–R7)Yu Pu 5 wins (R3–R7)Louis Serfontein 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Nicholas Lee	*	—	1	—
2Yu Pu	—	*	—	—
3Louis Serfontein	0	—	*	—
4Wei Yi-Chen	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Lee, Nicholas	1814	AUS	+82N	+27B	+41N	+24B	+14N	+2N	+10B	7.0	27.0	29.0	29.00	2410	+66.4
2	Serfontein, Louis	1599	AUS	+33N	+43B	+34N	+8B	+7N	−1B	+11N	6.0	30.0	33.5	26.50	2007	+137.2
3	Pu, Yu	1604	TPE	+26N	−15B	+63N	+52B	+9N	+19N	+8B	6.0	26.5	29.5	25.00	1934	+88.8
4	Xi, Cheng	1613	AUS	+68N	+28B	−7B	=16N	+36B	+30N	+19B	5.5	26.0	29.0	21.75	1933	+114.4
5	Wei Yi-Chen	1624	TPE	=56N	=52B	+60N	=27B	+24N	+43B	+16N	5.5	23.0	26.0	20.50	1834	+56.4
6	Chai, Isaac	1764	AUS	+72B	−48N	+61B	+65N	=26B	+47N	+18B	5.5	21.5	24.0	18.50	1829	+19.2
7	Nguyen, Quan	1723	AUS	+50N	+29B	+4N	+40B	−2B	−10N	+25B	5.0	28.5	32.0	21.00	1729	+3.0
8	Pyne, Rohan	1661	AUS	+84B	+17N	+42B	−2N	+31N	+15B	−3N	5.0	28.5	30.5	18.50	1773	+21.2
9	Parker, Lucas	1654	AUS	+21B	−25N	+29B	+20N	−3B	+62N	+32B	5.0	27.0	30.0	20.00	1697	+20.0
10	Chan, Chi Ngo	1543	HKG	+80N	+60B	−24N	+33B	+41N	+7B	−1N	5.0	26.5	28.5	17.50	1796	+78.8
11	Cheng, Jerry	1777	AUS	+61B	−42N	+80B	+48N	+17B	+25N	−2B	5.0	24.5	26.5	17.00	1725	-14.4
12	Dorrian, Benjamin	1684	AUS	−25B	+50N	−17B	+89N	+72B	+64N	+26B	5.0	21.5	23.0	14.50	1707	+10.0
13	Hegde, Lohit	1700	AUS	−42B	+98N	+72B	+79N	=47B	=32N	+37B	5.0	20.0	20.0	12.75	1797	+17.2
14	Fasakin, Olaoluwa	1682	AUS	+18N	+51B	=15N	+32B	−1B	=26N	=20B	4.5	28.5	32.0	18.50	1722	+16.8
15	Dixon, Alex	1589	AUS	+89B	+3N	=14B	+46N	=25B	−8N	=38B	4.5	27.0	28.5	17.25	1690	+20.6
16	Qin, Lexuan	1676	CHN	=73N	+23B	=49N	=4B	+45N	+27B	−5B	4.5	26.5	29.0	17.75	1692	+6.4
17	Ha, Aeson	1587	AUS	+55N	−8B	+12N	+28B	−11N	=41B	+43N	4.5	26.0	29.5	17.75	1774	+71.2
18	Xia, Bella	1588	AUS	−14B	+53N	=28N	+88B	+34N	+54B	−6N	4.5	25.0	26.5	14.50	1766	+68.0
19	Padma Yonten Gyalpo	1725	BHU	+74N	=49B	+64N	+87B	+54N	−3B	−4N	4.5	24.0	25.5	12.25	1661	-18.0
20	Oakley, Brett	1539	AUS	+76N	−46N	+67B	−9B	+39N	+44B	=14N	4.5	23.5	26.0	15.25	1711	+66.4
21	Lyu, Youxun	1588	CHN	−9N	+86B	+55N	=35N	−30B	+71B	+41N	4.5	22.5	24.5	13.50	1717	+50.4
22	Harding, Jonathon	1684	AUS	+95B	−24N	−26B	+61N	+65B	=35N	+56B	4.5	21.5	22.5	12.50	1695	+4.8
23	Rej, Alexander	1597	AUS	=44B	−16N	=89N	+91B	=71N	+55B	+47B	4.5	19.0	20.5	12.25	1710	+44.0
24	Nisha Raj, Taran	1631	AUS	+90N	+22B	+10B	−1N	−5B	−40N	+60B	4.0	29.0	30.5	14.00	1685	+15.4
25	Abir Vidhur Singh	1490	IND	+12N	+9B	+44N	=54B	=15N	−11B	−7N	4.0	28.0	31.5	17.50	1742	+91.6
26	Gandhi, Ishaan	1579	AUS	−3B	+85N	+22N	+71B	=6N	=14B	−12N	4.0	28.0	30.0	14.00	1698	+46.4
27	Liu, Mike	1609	AUS	+85B	−1N	+81B	=5N	+46B	−16N	=36B	4.0	26.5	28.5	12.25	1672	+24.0
28	Radisich, Matt	1750	AUS	+70B	−4N	=18B	−17N	+51B	+42N	=35B	4.0	25.5	28.5	14.25	1634	-20.0
29	Majety, Rohan	1433	AUS	+36B	−7N	−9N	+58B	+48B	+46N	−40B	4.0	25.0	28.5	14.50	1716	+98.4
30	Badrinarayan, Siddhant	1663	AUS	+45N	+66B	=87N	−31B	+21N	−4B	=33N	4.0	24.5	26.0	13.75	1652	-1.0
31	Martin, Benjamin	1741	AUS	+65B	−32N	+82B	+30N	−8B	−37N	+57B	4.0	23.5	25.5	12.50	1700	-6.8
32	Hamilton, Don	1640	AUS	+91N	+31B	=46B	−14N	+87N	=13B	−9N	4.0	23.5	25.0	11.25	1650	+1.6
33	Threlfall, Leo	1662	AUS	−2B	+69N	+92B	−10N	=53B	+88N	=30B	4.0	23.0	24.5	9.75	1614	-17.6
34	Van Der Meer, Andrew	1645	AUS	+75N	+88B	−2B	=42N	−18B	=60N	+63B	4.0	22.5	24.0	10.25	1614	-6.4
35	Brockman, Roland	1556	AUS	=64N	+73B	=71N	=21B	=44N	=22B	=28N	4.0	22.0	24.5	13.50	1671	+22.0
36	Jain, Anshika	1686	AUS	−29N	+74B	=45N	+75B	−4N	+73B	=27N	4.0	22.0	24.5	11.25	1584	-17.6
37	Vinothkumar, Nivin	1773	AUS	−66N	−45B	+74N	+83B	+63N	+31B	−13N	4.0	21.0	23.0	11.50	1649	-40.8
38	Pavlidis, Alexi	1657	AUS	−62B	+83N	=51N	−45B	+75N	+49B	=15N	4.0	20.5	22.5	12.00	1589	-12.4
39	Tanner, Daniel	1453	AUS	−51B	+70N	−62B	+77N	−20B	+61N	+65B	4.0	20.0	22.5	11.50	1596	+54.4
40	Campbell, Paul	1765	AUS	+98N	F	+57B	−7N	F	+24B	+29N	4.0	16.5	16.5	11.50	1825	+7.6
41	Robinson, Andrew	1566	AUS	+69B	+67N	−1B	+62N	−10B	=17N	−21B	3.5	27.0	30.0	11.25	1595	+4.8
42	Ramprasad, Nachiket	1638	AUS	+13N	+11B	−8N	=34B	−43N	−28B	+88N	3.5	26.5	28.0	13.50	1664	+8.1
43	Sun, Dejun	1594	AUS	+77B	−2N	=75B	+73N	+42B	−5N	−17B	3.5	24.5	27.0	9.75	1563	-12.4
44	O`Donoghue, Malachi	1728	AUS	=23N	+56B	−25B	+57N	=35B	−20N	=48B	3.5	24.0	27.5	13.00	1549	-33.0
45	Wang, Ruoshui	1558	AUS	−30B	+37N	=36B	+38N	−16B	=79N	=53B	3.5	24.0	26.5	13.00	1661	+38.0
46	Sheridan, Wallace	1476	AUS	+63N	+20B	=32N	−15B	−27N	−29B	+74N	3.5	24.0	26.5	12.00	1555	+13.8
47	Powell-Davies, Thomas	1580	AUS	+81N	−87B	+66N	+49B	=13N	−6B	−23N	3.5	23.5	25.0	11.00	1602	+4.2
48	Kuncoro, Harvey	1591	AUS	+96N	+6B	−54N	−11B	−29N	+80B	=44N	3.5	23.5	24.0	9.75	1633	+15.6
49	Liu, Clarissa	1577	AUS	+53B	=19N	=16B	−47N	=79B	−38N	+86N	3.5	22.5	24.5	11.25	1636	+22.0
50	Zhang, Chi Long	1544	AUS	−7B	−12B	+68N	=56N	+92B	=53N	=79B	3.5	22.5	24.0	9.25	1628	+32.0
51	Lakshman, Emmanuel	1591	AUS	+39N	−14N	=38B	−64B	−28N	+76B	+71N	3.5	22.0	24.5	11.00	1602	+4.0
52	Wang, Chloe	1594	AUS	=93B	=5N	+96B	−3N	−62B	+69N	=64B	3.5	22.0	22.5	8.50	1517	-30.0
53	Nisban, Corwin	1591	SGP	−49N	−18B	+78N	+80B	=33N	=50B	=45N	3.5	21.5	23.5	10.00	1572	-7.6
54	Doan, Peter	1702	AUS	+83B	+62N	+48B	=25N	−19B	−18N	F	3.5	21.5	21.5	10.50	1618	-11.8
55	Liang, Xibing	1665	NZL	−17B	+84N	−21B	+93N	=60B	−23N	+72B	3.5	21.0	22.5	7.50	1560	-20.0
56	Chi, Jaden	1572	AUS	=5B	−44N	=88N	=50B	+81N	+87B	−22N	3.5	20.5	22.0	8.75	1578	+1.9
57	Zhang, Jason	1488	AUS	=71N	+78B	−40N	−44B	+59N	+86B	−31N	3.5	20.0	22.0	9.25	1654	+47.5
58	Parker, Trent	1769	AUS	−60B	−61N	+84B	−29N	+85B	=72N	+62B	3.5	17.5	19.5	8.25	1532	-41.0
59	Li, Fiona Chenxi	1589	NZL	−67B	−81N	+85B	=92N	−57B	+77N	+73B	3.5	15.5	17.0	7.75	1539	-19.6
60	Gajula, Hemanth	1548	AUS	+58N	−10N	−5B	+66B	=55N	=34B	−24N	3.0	25.5	28.5	10.25	1594	+7.8
61	Cervenjak, Mark	1546	AUS	−11N	+58B	−6N	−22B	+91N	−39B	+81N	3.0	24.5	26.0	7.00	1589	+6.2
62	Karunagaran, Sreyaa	1472	AUS	+38N	−54B	+39N	−41B	+52N	−9B	−58N	3.0	23.5	27.0	11.50	1578	+35.2
63	Mogullapalli, Advaith	1584	AUS	−46B	+97N	−3B	+67N	−37B	+68B	−34N	3.0	23.5	24.0	6.50	1579	-2.9
64	Le Cong, Joshua	1488	AUS	=35B	+76N	−19B	+51N	F	−12B	=52N	3.0	23.0	23.0	9.75	1628	+44.0
65	Selva Muthukumar, Sahasra	1697	AUS	−31N	+91B	+93N	−6B	−22N	+83B	−39N	3.0	21.5	23.0	5.00	1533	-58.8
66	Wang, Iris	1608	AUS	+37B	−30N	−47B	−60N	+67B	=82N	=78B	3.0	20.0	22.0	9.25	1577	-14.4
67	Raman, Mudit	1658	SGP	+59N	−41B	−20N	−63B	−66N	+90B	+87N	3.0	19.0	20.5	6.50	1490	-62.8
68	Shin, Donghoon	1703	AUS	−4B	−80N	−50B	+95N	+93B	−63N	+84B	3.0	17.5	18.5	4.50	1495	-77.6
69	Veginati, Cherish	1491	AUS	−41N	−33B	−86N	+94B	+90N	−52B	+80N	3.0	16.5	17.5	4.50	1514	+7.6
70	Madoc, James	1519	AUS	−28N	−39B	−90N	=74N	+96B	=81B	+85N	3.0	16.0	16.5	4.75	1483	-15.6
71	Liu, Kevin	1563	AUS	=57B	+92N	=35B	−26N	=23B	−21N	−51B	2.5	24.0	25.5	7.50	1462	-20.0
72	Rawat, Aarav	1616	AUS	−6N	+90B	−13N	+97B	−12N	=58B	−55N	2.5	24.0	24.5	3.75	1553	-24.4
73	Goldstein, Clio	1548	AUS	=16B	−35N	+95N	−43B	+78B	−36N	−59N	2.5	22.0	23.0	5.75	1502	-18.0
74	Zhang, Emma	1491	AUS	−19B	−36N	−37B	=70B	+94N	+92N	−46B	2.5	20.5	21.5	4.00	1502	+0.4
75	Liu, William	1482	AUS	−34B	+94B	=43N	−36N	−38B	−78N	+97B	2.5	19.0	19.5	3.25	1497	+2.0
76	Kien, Satra	1618	AUS	−20B	−64B	−83N	+84N	=77B	−51N	+93B	2.5	17.5	19.0	4.75	1407	-81.2
77	Devlin, Brian	1461	AUS	−43N	−82B	+94N	−39B	=76N	−59B	+91N	2.5	17.0	18.0	3.75	1454	-4.4
78	Wolffs, Walter	1549	AUS	F	−57N	−53B	+90B	−73N	+75B	=66N	2.5	16.5	16.5	5.50	1474	-13.0
79	Zhu, Zane (Zichen)	1582	AUS	+97N	F	F	−13B	=49N	=45B	=50N	2.5	16.0	16.0	5.75	1585	+0.8
80	Woollard, Kelvin	1520	AUS	−10B	+68B	−11N	−53N	+97B	−48N	−69B	2.0	23.0	23.5	3.50	1449	-14.0
81	Biju, Alberto	1522	AUS	−47B	+59B	−27N	=82N	−56B	=70N	−61B	2.0	20.5	22.5	6.00	1419	-38.0
82	Wu, Ethan	1636	AUS	−1B	+77N	−31N	=81B	F	=66B	F	2.0	20.5	22.0	5.00	1558	-18.4
83	Annamalai, Akshay	1502	AUS	−54N	−38B	+76B	−37N	+89B	−65N	F	2.0	19.0	20.5	4.00	1539	+10.4
84	Ashok, Arjun	1551	AUS	−8N	−55B	−58N	−76B	+98N	+89B	−68N	2.0	19.0	19.0	1.50	1499	-20.8
85	Yates, Anna	1556	AUS	−27N	−26B	−59N	+98B	−58N	+96B	−70B	2.0	18.5	18.5	0.50	1444	-42.8
86	Quek, Alex	1640	AUS	−88B	−21N	+69B	+96N	F	−57N	−49B	2.0	16.5	16.5	3.50	1403	-76.8
87	Cady, Christian	1440	AUS	F	+47N	=30B	−19N	−32B	−56N	−67B	1.5	22.5	22.5	5.50	1447	+1.6
88	O`keefe, Jeremy	1524	AUS	+86N	−34N	=56B	−18N	F	−33B	−42B	1.5	21.5	23.5	3.75	1432	-22.0
89	Fu, Francis	1541	AUS	−15N	F	=23B	−12B	−83N	−84N	+94B	1.5	19.0	19.0	3.25	1379	-49.6
90	Zhang, Kaylin	1459	AUS	−24B	−72N	+70B	−78N	−69B	−67N	=96N	1.5	18.0	18.5	3.25	1337	-38.0
91	Wu, Eleanor	1499	AUS	−32B	−65N	+98B	−23N	−61B	=97N	−77B	1.5	17.5	17.5	0.25	1360	-47.6
92	Adir Pratap Singh	1540	IND	+94N	−71B	−33N	=59B	−50N	−74B	−95N	1.5	17.0	18.0	2.75	1332	-72.4
93	Sheth, Adidev	1465	AUS	=52N	F	−65B	−55B	−68N	+95B	−76N	1.5	16.5	16.5	2.75	1449	+3.6
94	Sweeney, Matthew	1506	AUS	−92B	−75N	−77B	−69N	−74B	+98N	−89N	1.0	13.5	13.5	0.00	1213	-48.0
95	Harris, Bruce	1572	AUS	−22N	F	−73B	−68B	F	−93N	+92B	1.0	13.0	13.0	1.50	1342	-28.8
96	Chen, Osborn	1507	AUS	−48B	F	−52N	−86B	−70N	−85N	=90B	0.5	15.5	15.5	0.75	1158	-83.6
97	Rahul, Amay	1544	AUS	−79B	−63B	F	−72N	−80N	=91B	−75N	0.5	14.0	14.0	0.75	1148	-97.2
98	Subin, Adrian	1639	AUS	−40B	−13B	−91N	−85N	−84B	−94B	F	0.0	15.5	15.5	0.00	799	-134.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Serfontein, LouisAUS
+137.2
6.0 pts · #3
2Xi, ChengAUS
+114.4
5.5 pts · #6
3Majety, RohanAUS
+98.4
4.0 pts · #28

Top rating losers

1Subin, AdrianAUS
-134.0
0.0 pts · #98
2Rahul, AmayAUS
-97.2
0.5 pts · #96
3Chen, OsbornAUS
-83.6
0.5 pts · #97

Biggest upsets

R4+336 Elo gap
Majety, Rohan1433 beat Parker, Trent1769
R1+253 Elo gap
Majety, Rohan1433 beat Jain, Anshika1686
R7+244 Elo gap
Tanner, Daniel1453 beat Selva Muthukumar, Sahasra1697