2026 O2C Doeberl Cup Major

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78 players participated in this 7-round tournament, held from 03 Apr 2026 to 06 Apr 2026 in Canberra, Australia. 10 titled players from 4 federations. Top 10 Elo average was 1953, and top seed was James Hartley (🇦🇺 AUS, CM, 2027).

Oladoyin Fasakin (🇳🇬 NGR, 1956) won with 6.0/7, ahead of Vihaan Anup Kumar (6.0) and Nathan Arav (6.0). Fasakin won on tie-break after catching the field in the final round.

The biggest upset came in round 3: Nicholas Yuileng Chen (1687) beat Anh Kiet Nguyen (CM, 1994), a +307-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

🇦🇺CMJames Hartley2027

Avg top 10

1,953

Participants

Titled players · 10

CM×7

WCM×3

Federations · 4 represented

🇦🇺Australia×72

🇳🇿New Zealand×3

🇸🇬Singapore×2

🇳🇬Nigeria×1

Top 3

🥇
Oladoyin Fasakin
🇳🇬NGR·1956
6.0pts·2141perf+26.0
🥈
Vihaan Anup Kumar
🇦🇺AUS·1905
6.0pts·2144perf+73.6
🥉
Nathan Arav
🇦🇺AUS·1840
6.0pts·2104perf+76.8

How it unfolded

Top 6 · 7 rounds

Tight race until R7; 3 players tied at 6.0/7, decided on Buchholz.

Co-leaders

Anup Kumar6Arav6Fasakin6Devin5.5Siva Sankaran5Kuncoro5

R6 · LEADER CHANGE05 Apr

Alex Devin takes the sole lead (5.5/6).

R7 · TIEBREAK CLUSTER

3 players finish on 6.0/7. Fasakin takes the title on Buchholz Cut1 (27.5).

WIN STREAKS · 3 top finishers

Vihaan Anup Kumar 4 wins (R4–R7)Nathan Arav 4 wins (R4–R7)Oladoyin Fasakin 5 wins (R1–R5)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1Vihaan Anup Kumar	*	—	0	—
2Nathan Arav	—	*	—	1
3Oladoyin Fasakin	1	—	*	0
4Alex Devin	—	0	1	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	Pts	Bu C1	Bu	SB	Perf	Δ
1	Fasakin, Oladoyin	1956	NGR	+51B	+73N	+2B	+19N	+14B	−4N	+17B	6.0	27.5	29.0	23.50	2141	+26.0
2	Anup Kumar, Vihaan	1905	AUS	+36N	+62B	−1N	+35B	+20N	+12B	+11N	6.0	27.0	29.5	23.50	2144	+73.6
3	Arav, Nathan	1840	AUS	=35N	+63B	=15B	+47N	+33B	+19N	+4B	6.0	24.0	26.5	22.50	2104	+76.8
4	Devin, Alex	1852	AUS	+23N	+24B	=14N	+46B	+16N	+1B	−3N	5.5	29.0	32.0	23.75	2051	+33.4
5	Retnaraja, Ethan	1949	AUS	+60B	+13N	−19B	=22N	+48B	=9N	+14B	5.0	25.5	28.5	20.00	2104	+20.8
6	Fasakin, Olamide	1828	AUS	+38B	−33N	+54B	+7N	+15B	−17N	+21B	5.0	25.0	28.0	20.00	2060	+87.6
7	Hartley, JamesCM	2027	AUS	+71N	+8B	−21N	−6B	+43B	+34N	+25B	5.0	25.0	27.0	18.00	1997	-3.8
8	Malcolm, Aidan	1803	NZL	+27B	−7N	+41B	−11N	+47B	+45N	+19B	5.0	24.5	27.5	17.50	1964	+25.6
9	Siva Sankaran, Anup Kumar	1836	AUS	+76N	=46B	+37N	=20B	=10N	=5B	+23N	5.0	24.5	25.5	17.00	1964	+24.2
10	Appleton, David A	1917	AUS	+29N	=37B	=45B	+43N	=9B	=22N	+28B	5.0	24.0	27.0	19.25	1979	+23.6
11	Kuncoro, Leo	1800	AUS	−14N	+77B	+74N	+8B	+38B	+21N	−2B	5.0	24.0	24.5	14.00	1977	+66.8
12	Horikawa, Masaki	1893	AUS	+67B	=49N	+48B	+40N	=21B	−2N	+22B	5.0	23.5	25.5	16.00	1948	+21.6
13	Liu, Ryan Chengji	1810	AUS	+77N	−5B	−36N	+68B	+74N	+20B	+26N	5.0	19.5	20.0	11.50	1984	+66.8
14	Jain, Shaurya	1896	AUS	+11B	+22N	=4B	+45N	−1N	+16B	−5N	4.5	30.0	33.0	19.25	1969	+28.0
15	Peramunetilleke, Savin Kavindu	1931	AUS	=34N	+72B	=3N	+24B	−6N	=37B	+39N	4.5	25.5	27.0	15.50	1901	-8.8
16	Zha, Leyao	1842	AUS	+41B	=48N	+49B	+39N	−4B	−14N	+34B	4.5	23.5	26.5	15.00	1921	+32.0
17	Nguyen, Anh KietCM	1994	AUS	=72N	+34B	−46N	+62B	+50N	+6B	−1N	4.5	23.0	24.5	14.75	1899	-20.4
18	He, Andrew	1963	AUS	−45B	−47N	+63N	+32B	=24N	+46B	+37N	4.5	20.5	23.0	15.00	1877	-27.6
19	Farley, Andrew	0	AUS	+66N	+50B	+5N	−1B	+23N	−3B	−8N	4.0	29.0	31.0	14.00	1854	0.0
20	Nisban, CyrusCM	1859	SGP	+42B	+25N	=33B	=9N	−2B	−13N	+45B	4.0	27.0	30.0	14.75	1891	+6.4
21	Lim, Jongmin	1841	AUS	+44B	+69N	+7B	=33N	=12N	−11B	−6N	4.0	27.0	29.0	14.75	1898	+11.0
22	Gao, Terry	1815	AUS	+61N	−14B	+78N	=5B	+39N	=10B	−12N	4.0	26.0	26.0	11.50	1900	+32.8
23	Bashirov, Ernest	1776	AUS	−4B	+64N	+25B	+52N	−19B	+33N	−9B	4.0	25.0	27.5	13.00	1995	+70.4
24	Xing, Zeqi	1748	AUS	+64B	−4N	+69B	−15N	=18B	=38N	+56B	4.0	23.5	25.5	11.50	1916	+62.8
25	Cabilin, JeffCM	1823	AUS	+68N	−20B	−23N	+78B	+35N	+36B	−7N	4.0	22.0	22.0	9.00	1877	+10.2
26	Babic, Michael S	1835	AUS	+47B	−45N	−40B	+51N	+49B	+42N	−13B	4.0	21.0	24.0	12.50	1836	+0.2
27	Xia, ChengYi	1757	AUS	−8N	=29B	−34N	+63B	=64N	+57B	+58N	4.0	21.0	23.5	11.75	1880	+46.4
28	Shepherd, Samuel	1827	AUS	=65B	−39N	+66B	=49N	+53B	+40B	−10N	4.0	20.0	22.0	11.00	1817	-1.6
29	Duncan, Matthew	1737	AUS	−10B	=27N	−53B	=69N	+75N	+65B	+46N	4.0	19.0	20.0	9.00	1789	+10.2
30	Walls, Kye	1878	AUS	−48B	−41N	−60B	+77N	+51B	+47N	+50B	4.0	18.5	19.0	9.50	1840	-6.8
31	Raman, Kanav	1773	SGP	−49B	=67N	+65B	−42N	+66B	=54N	+48B	4.0	16.5	18.5	9.50	1812	+15.2
32	Macmullin, Owen	1847	AUS	−33B	+75N	−52B	−18N	+73N	+74B	+55N	4.0	16.5	17.5	6.50	1872	+11.2
33	Davis, Tony JCM	1880	AUS	+32N	+6B	=20N	=21B	−3N	−23B	=44N	3.5	27.0	30.5	14.75	1828	-10.2
34	Holt, Stuart	1838	AUS	=15B	−17N	+27B	+70N	+56B	−7B	−16N	3.5	25.5	27.5	11.25	1888	+9.0
35	Yuan, Winson	1763	AUS	=3B	=52N	+73B	−2N	−25B	+60N	=42B	3.5	25.5	27.0	10.75	1831	+25.2
36	Liu, Haoqian (William)	1841	AUS	−2B	+59N	+13B	−56N	+52B	−25N	=38B	3.5	24.5	27.5	12.75	1838	-2.0
37	O'Carroll, OmWCM	1744	AUS	+75B	=10N	−9B	=53N	+65B	=15N	−18B	3.5	24.0	25.0	9.25	1822	+14.2
38	Forster, WilliamCM	1786	NZL	−6N	+53N	+51B	=50B	−11N	=24B	=36N	3.5	23.5	26.5	11.25	1787	+0.4
39	Qian, Linda (Zhiling)WCM	1801	AUS	=55N	+28B	+57N	−16B	−22B	+59N	−15B	3.5	23.0	26.0	11.50	1847	+16.0
40	Tai, Ethan	1720	NZL	+58N	=57B	+26N	−12B	=42B	−28N	=52B	3.5	22.5	25.5	11.75	1851	+47.2
41	Buhagiar, Aden	1802	AUS	−16N	+30B	−8N	−55B	+71N	=52N	+70B	3.5	21.5	23.5	9.50	1833	+5.8
42	Esposito, David	1789	AUS	−20N	+76B	=62N	+31B	=40N	−26B	=35N	3.5	21.5	22.5	9.75	1772	-3.2
43	Jia, Zining (matthew)	1940	AUS	=53B	F	+68N	−10B	−7N	+67N	+54B	3.5	20.0	20.0	8.50	1898	-10.8
44	Sivaraj, Avinav	1803	AUS	−21N	+71B	−50N	=58B	+70B	=56N	=33B	3.5	18.5	20.5	8.75	1825	+6.9
45	Cheng, Larry	1846	AUS	+18N	+26B	=10N	−14B	=46N	−8B	−20N	3.0	27.0	30.0	12.50	1801	-17.2
46	Chen, Nicholas Yuileng	1687	AUS	+59B	=9N	+17B	−4N	=45B	−18N	−29B	3.0	26.5	29.5	11.50	1811	+41.6
47	Arav, Callan	1798	AUS	−26N	+18B	+55N	−3B	−8N	−30B	+74N	3.0	26.5	27.5	8.50	1795	-2.8
48	Qian, VickyWCM	1802	AUS	+30N	=16B	−12N	+57B	−5N	=58B	−31N	3.0	25.5	28.5	10.75	1816	+4.0
49	Vos, Somon	1730	AUS	+31N	=12B	−16N	=28B	−26N	=53B	=61N	3.0	24.5	27.5	11.50	1761	+10.8
50	Russell, PaulCM	1747	AUS	+56B	−19N	+44B	=38N	−17B	=55B	−30N	3.0	22.5	25.5	9.75	1862	+18.2
51	Chisholm, Tom R	1803	AUS	−1N	+61B	−38N	−26B	−30N	+68B	+65N	3.0	22.5	24.5	7.00	1763	-8.0
52	Marsden, John A	1880	AUS	=63N	=35B	+32N	−23B	−36N	=41B	=40N	3.0	22.0	24.5	10.50	1737	-27.8
53	Ramanathan, Ashwin	1744	AUS	=43N	−38B	+29N	=37B	−28N	=49N	=59B	3.0	21.5	24.5	10.50	1744	-0.5
54	Tay, Mason	1853	AUS	−57N	+58B	−6N	+73B	=55N	=31B	−43N	3.0	21.5	23.0	8.00	1787	-24.1
55	Chai, Kang	1834	AUS	=39B	=65N	−47B	+41N	=54B	=50N	−32B	3.0	20.0	22.0	9.25	1741	-18.4
56	Vos, Nomon	1872	AUS	−50N	=66B	+72N	+36B	−34N	=44B	−24N	3.0	19.5	21.0	7.75	1741	-51.2
57	Johnson, Harry	1887	AUS	+54B	=40N	−39B	−48N	=67B	−27N	+75B	3.0	19.0	20.0	6.75	1713	-33.0
58	Thuaux, Alexander	1841	AUS	−40B	−54N	+77B	=44N	+69B	=48N	−27B	3.0	19.0	19.5	5.75	1720	-42.5
59	Christensen, Joshua	1789	AUS	−46N	−36B	=61N	+76B	+62N	−39B	=53N	3.0	18.5	19.5	6.50	1704	-17.0
60	Hosking, Ian	1826	AUS	−5N	−68B	+30N	−74B	+78N	−35B	+62N	3.0	18.0	18.0	6.50	1750	-15.2
61	Jain, Kamal	1763	AUS	−22B	−51N	=59B	−66N	+77B	+72N	=49B	3.0	16.5	17.0	5.00	1728	-7.4
62	Zhang, Oliver	1733	AUS	+70B	−2N	=42B	−17N	−59B	+66N	−60B	2.5	22.0	24.0	5.75	1736	-1.2
63	Pearce, Tim	1754	AUS	=52B	−3N	−18B	−27N	+76B	−70N	+72B	2.5	21.0	22.0	4.00	1718	-7.8
64	Lester, George E	1946	AUS	−24N	−23B	=76N	F	=27B	=69N	+67B	2.5	17.0	17.0	5.50	1678	-42.0
65	Ingham, Glenn	1679	AUS	=28N	=55B	−31N	+71B	−37N	−29N	−51B	2.0	21.5	23.5	5.50	1631	-9.2
66	Song, Sam	1768	AUS	−19B	=56N	−28N	+61B	−31N	−62B	=73N	2.0	20.5	22.0	5.25	1662	-34.0
67	Clegg, Julius	1709	AUS	−12N	=31B	−70N	+72B	=57N	−43B	−64N	2.0	20.0	21.5	5.00	1703	-5.2
68	Hegde, Sanat	1795	AUS	−25B	+60N	−43B	−13N	−72B	−51N	+78B	2.0	20.0	20.0	3.00	1659	-52.0
69	Fan, Aiden	1703	AUS	F	−21B	−24N	=29B	−58N	=64B	+71N	2.0	19.5	19.5	5.25	1694	-3.2
70	Meldrum, George W	1793	AUS	−62N	F	+67B	−34B	−44N	+63B	−41N	2.0	17.5	17.5	4.50	1649	-46.4
71	Li, Ashton	1797	AUS	−7B	−44N	+75B	−65N	−41B	+78N	−69B	2.0	17.0	17.0	1.00	1617	-69.2
72	Butler, Brian J	1792	AUS	=17B	−15N	−56B	−67N	+68N	−61B	−63N	1.5	19.5	21.5	4.25	1602	-32.8
73	Barakat, Martin	1753	AUS	+74B	−1B	−35N	−54N	−32B	−75N	=66B	1.5	19.5	20.5	2.00	1575	-30.2
74	Xie, Leo	1756	AUS	−73N	F	−11B	+60N	−13B	−32N	−47B	1.0	21.5	21.5	3.00	1533	-56.0
75	Abhayaratna, James	1686	AUS	−37N	−32B	−71N	F	−29B	+73B	−57N	1.0	18.0	18.0	1.50	1521	-45.6
76	Cooper, Matt	1711	AUS	−9B	−42N	=64B	−59N	−63N	=77B	F	1.0	17.0	17.0	1.50	1537	-24.2
77	Liu, Max (qixuan)	1744	AUS	−13B	−11N	−58N	−30B	−61N	=76N	F	0.5	21.0	21.0	0.50	1400	-81.6
78	Djatschenko, Addison	1725	AUS	F	F	−22B	−25N	−60B	−71B	−68N	0.0	15.0	15.0	0.00	1012	-37.8

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Fasakin, OlamideAUS
+87.6
5.0 pts · #11
2Arav, NathanAUS
+76.8
6.0 pts · #3
3Anup Kumar, VihaanAUS
+73.6
6.0 pts · #1

Top rating losers

1Liu, Max (qixuan)AUS
-81.6
0.5 pts · #77
2Li, AshtonAUS
-69.2
2.0 pts · #66
3Xie, LeoAUS
-56.0
1.0 pts · #75

Biggest upsets

R3+307 Elo gap
Chen, Nicholas Yuileng1687 beat CMNguyen, Anh Kiet1994
R4+199 Elo gap
Fasakin, Olamide1828 beat CMHartley, James2027
R1+198 Elo gap
Xing, Zeqi1748 beat Lester, George E1946