2026 O2C Doeberl Cup Premier

SwissStandard

60 players participated in this 9-round tournament, held from 02 Apr 2026 to 06 Apr 2026 in Canberra, Australia. 54 titled players from 8 federations. Top 10 Elo average was 2415, and top seed was Temur Kuybokarov (🇦🇺 AUS, GM, 2548).

Guha Mitrabha (🇮🇳 IND, GM, 2505) won with 7.5/9, ahead of Alexis Vargas Arteaga (7.0) and David Cannon (6.5). Mitrabha broke clear in the final round.

The biggest upset came in round 5: Ryan Lane (CM, 2097) beat Felix Xie (IM, 2407), a +310-point gap.

Location

🇦🇺Canberra, Australia

Dates

02 Apr 2026 → 06 Apr 2026

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 9 rounds

Top seed

🇦🇺GMTemur Kuybokarov2548

Avg top 10

2,415

Participants

Titled players · 54

GM×6

IM×6

FM×19

CM×19

WGM×1

WIM×1

WFM×2

Federations · 8 represented

🇦🇺Australia×47

🇻🇳Vietnam×2

🇳🇿New Zealand×2

🇨🇴Colombia×2

🇷🇸Serbia×1

🇦🇿Azerbaijan×1

🇳🇵Nepal×1

🇵🇭Philippines×1

Top 3

🥇
GMGuha Mitrabha
🇮🇳IND·2505
7.5pts·2599perf+10.0
🥈
FMAlexis Vargas Arteaga
🇨🇴COL·2323
7.0pts·2518perf+45.0
🥉
IMDavid Cannon
🇦🇺AUS·2296
6.5pts·2472perf+42.2

How it unfolded

Top 6 · 9 rounds

GM Guha Mitrabha led from R7; +0.5-point edge over the runner-up. Title race converged from 4 co-leaders at R4 to 1 by R7.

Co-leaders

Mitrabha7.5Vargas Arteaga7Winkelman6.5Rios Gomez6.5Cannon6.5Hung6

R7–R9 · LEAD HELD

GM Guha Mitrabha held the sole lead from R7 through R9 without losing it.

R3 · HEAD-TO-HEAD · WINNER VS 2ND

GM Guha Mitrabha beat FM Alexis Vargas Arteaga (Black).

WIN STREAKS · 3 top finishers

GM Guha Mitrabha 3 wins (R1–R3)FM Alexis Vargas Arteaga 3 wins (R4–R6)FM Albert Winkelman 4 wins (R3–R6)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1GMGuha Mitrabha	*	1	1	—
2FMAlexis Vargas Arteaga	0	*	½	½
3FMAlbert Winkelman	0	½	*	—
4GMCristhian Camilo Rios Gomez	—	½	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	R7	R8	R9	Pts	Bu C1	Bu	SB	Perf	Δ
1	Mitrabha, GuhaGM	2505	IND	+44N	+17B	+2N	=10B	+3B	=11N	+4B	=6N	+13B	7.5	47.5	51.0	42.50	2599	+10.0
2	Vargas Arteaga, AlexisFM	2323	COL	+60B	+22N	−1B	+25N	+31B	+16N	=5B	+10B	=4N	7.0	44.0	44.0	30.00	2518	+45.0
3	Cannon, DavidIM	2296	AUS	+54B	+39N	=6B	+7B	−1N	=14N	+16B	=5N	+10B	6.5	45.5	48.0	31.50	2472	+42.2
4	Winkelman, AlbertFM	2372	AUS	=16B	=30N	+39B	+22N	+13B	+10B	−1N	+20N	=2B	6.5	44.0	47.5	32.00	2428	+17.0
5	Rios Gomez, Cristhian CamiloGM	2385	COL	+35N	=8B	=21N	+37B	=33N	+18B	=2N	=3B	+6B	6.5	43.0	47.0	33.00	2398	+2.2
6	Ikeda, JuntaIM	2356	AUS	+42N	+34B	=3N	+21B	−10N	+33B	+31N	=1B	−5N	6.0	42.5	46.0	27.00	2433	+9.7
7	Mirzoev, AzerGM	2438	AZE	+46B	+27N	=20B	−3N	−8B	+26N	+19B	=14N	+17B	6.0	42.0	45.5	27.75	2334	-10.4
8	Nguyen Thi Mai HungWGM	2183	VIE	+41B	=5N	−31B	+53N	+7N	−23B	+18N	=11B	+36N	6.0	39.0	41.5	27.00	2401	+51.6
9	Zhu, Harvey (Hanchen)	2212	AUS	−52N	=47B	=30B	=32N	+29B	+54N	=12B	+43N	+20B	6.0	32.5	35.0	24.00	2196	-6.0
10	Kuybokarov, TemurGM	2548	AUS	+25B	+14N	+13B	=1N	+6B	−4N	+11B	−2N	−3N	5.5	50.0	54.5	30.75	2410	-13.9
11	Antonio, Rogelio JrGM	2355	PHI	+32B	=19N	+53B	=16N	+20B	=1B	−10N	=8N	=14B	5.5	43.5	46.0	26.00	2314	-3.0
12	Huang, YuanCM	2036	AUS	+28B	−13N	=14B	+19N	=21N	=17B	=9N	=18B	+26B	5.5	41.0	45.5	27.00	2314	+130.4
13	Stopa, JacekGM	2342	POL	+47N	+12B	−10N	+34B	−4N	+43B	=36N	+23B	−1N	5.5	41.0	44.5	23.00	2357	+3.0
14	Chakrabarty, ReyaanshFM	2271	AUS	+57N	−10B	=12N	+52B	+40N	=3B	=23N	=7B	=11N	5.5	39.5	41.5	22.00	2311	+12.2
15	Hu, YifeiFM	2134	AUS	−53B	=54N	+56B	+30N	−18N	+34B	=17N	=36B	+21N	5.5	31.5	34.0	20.75	2196	+30.8
16	Lane, RyanCM	2097	AUS	=4N	+24B	+18N	=11B	+23N	−2B	−3N	=21B	=19B	5.0	44.5	49.0	24.75	2301	+46.0
17	Testolin, RyderIM	2218	AUS	+55B	−1N	+32B	−31N	+39B	=12N	=15B	+27N	−7N	5.0	40.5	43.0	20.00	2260	+8.4
18	Thing, BibekFM	2275	NEP	+48B	=53N	−16B	+35N	+15B	−5N	−8B	=12N	+50B	5.0	39.0	41.5	20.00	2153	-26.8
19	Xia, JustinCM	2164	AUS	+56N	=11B	−33N	−12B	+24N	+40B	−7N	+35B	=16N	5.0	38.0	40.5	19.75	2164	-0.8
20	Soo, Kai JieFM	2297	AUS	+58N	+52B	=7N	=33B	−11N	+50B	+21N	−4B	−9N	5.0	38.0	40.0	17.00	2257	-8.6
21	Lane, Gary WIM	2200	AUS	+49B	+31N	=5B	−6N	=12B	+41N	−20B	=16N	−15B	4.5	41.0	44.0	19.00	2196	-0.6
22	Annapureddy, Rheyansh ReddyFM	2146	AUS	+29N	−2B	+49N	−4B	+52N	−31N	=38B	=30B	=40N	4.5	36.5	39.0	15.75	2123	-7.1
23	Xie, FelixIM	2407	NZL	−39B	+60N	+46B	+36N	−16B	+8N	=14B	−13N	F	4.5	33.0	33.0	16.25	2227	-16.6
24	Cheng, Chao XinWFM	1931	AUS	+26B	−16N	=50B	=43N	−19B	+48N	=49N	=42B	=25N	4.5	32.5	35.5	16.75	2103	+40.0
25	Tang, TerrenceCM	2133	AUS	−10N	+57B	+59N	−2B	−49N	=52B	+45N	=37N	=24B	4.5	32.0	34.0	13.00	2114	-7.0
26	Richards, Heather SWIM	2140	AUS	−24N	+58B	=38N	−40B	+57N	−7B	+52N	+49B	−12N	4.5	31.0	33.0	11.50	2052	-22.0
27	Gao, ArthurCM	2190	AUS	+45N	−7B	−52N	−49B	+51N	+53B	+50N	−17B	=38N	4.5	30.0	32.5	14.00	2093	-37.3
28	Kurniawan, StephanusFM	2285	AUS	−12N	−33B	=57N	=44B	−45N	=32N	+58B	+59B	+42N	4.5	28.0	30.0	12.25	2064	-50.0
29	Ni, LucasCM	1983	AUS	−22B	−32N	=58N	+60B	−9N	+57B	=42N	+52B	=43B	4.5	28.0	28.0	9.00	2089	+47.5
30	O`Carroll, JeremyCM	1989	AUS	=33N	=4B	=9N	−15B	=35B	=47N	+54B	=22N	−37B	4.0	38.0	40.5	16.75	2115	+28.2
31	Radovanovic, MihajloIM	2437	SRB	+51N	−21B	+8N	+17B	−2N	+22B	−6B	F	F	4.0	36.0	36.0	18.50	2270	-13.8
32	Kethro, MichaelFM	2082	AUS	−11N	+29B	−17N	=9B	−53N	=28B	+56B	=41N	=34N	4.0	35.5	38.0	16.00	2080	-0.8
33	Dragicevic, DomagojFM	2162	AUS	=30B	+28N	+19B	=20N	=5B	−6N	=37B	F	F	4.0	35.0	35.0	19.25	2287	+23.6
34	Datar, TejasFM	2144	AUS	+40B	−6N	+41B	−13N	=54B	−15N	+59B	−38N	=32B	4.0	34.5	36.5	12.25	2061	-19.8
35	Lo, Willis	2104	AUS	−5B	F	+47N	−18B	=30N	=45B	+53N	−19N	+41B	4.0	33.5	33.5	13.25	2100	-1.8
36	Le Tri KienCM	2280	VIE	F	F	+51N	−23B	+42N	+49B	=13B	=15N	−8B	4.0	31.0	31.0	15.00	2234	-7.0
37	Stojic, DusanFM	2184	AUS	F	F	+48B	−5N	−41B	+55N	=33N	=25B	+30N	4.0	28.5	28.5	14.25	2154	-5.0
38	Salasan, HaranCM	2008	AUS	F	F	=26B	=50N	−43B	+39N	=22N	+34B	=27B	4.0	27.5	27.5	15.75	2192	+35.2
39	Dai, ChengFM	2113	AUS	+23N	−3B	−4N	+45B	−17N	−38B	+48N	−40B	=49N	3.5	37.0	40.0	13.00	2067	-13.6
40	Kelly, AdamCM	1966	AUS	−34N	F	=43B	+26N	−14B	−19N	=46B	+39N	=22B	3.5	34.0	34.0	13.75	2111	+29.0
41	Xing, ZeruiCM	2011	AUS	−8N	+42B	−34N	+58B	+37N	−21B	−43N	=32B	−35N	3.5	33.5	35.5	11.50	2050	+17.6
42	Prasad, LalitCM	2092	AUS	−6B	−41N	+55B	+48N	−36B	=59N	=29B	=24N	−28B	3.5	33.0	35.0	11.50	2019	-19.6
43	Rusakov, JeanFM	2129	AUS	F	F	=40N	=24B	+38N	−13N	+41B	−9B	=29N	3.5	31.5	31.5	13.75	2065	-23.9
44	Rej, TomekFM	2125	AUS	−1B	−48N	=54B	=28N	=47B	=56N	−55B	=51N	+52B	3.5	29.5	32.0	10.50	2039	-23.8
45	Zhao, LucasCM	2012	AUS	−27B	−46N	+60B	−39N	+28B	=35N	−25B	=56N	=55N	3.5	29.5	29.5	9.00	2034	+9.6
46	Ilic, NicholasFM	2124	AUS	−7N	+45B	−23N	−59B	−55N	+51B	=40N	+53B	−47N	3.5	29.0	31.0	10.75	2022	-27.2
47	Li, HuiCM	2070	MAC	−13B	=9N	−35B	F	=44N	=30B	F	+54N	+46B	3.5	29.0	29.0	12.75	2134	+11.2
48	Wang, DanielCM	2029	AUS	−18N	+44B	−37N	−42B	+58N	−24B	−39B	=57N	+53N	3.5	28.5	30.5	9.00	1996	-17.5
49	Fan, ChloeWFM	2012	AUS	−21N	F	−22B	+27N	+25B	−36N	=24B	−26N	=39B	3.0	34.5	34.5	13.00	2055	+6.6
50	Chan, KrisFM	2128	AUS	F	F	=24N	=38B	+59N	−20N	−27B	+55B	−18N	3.0	27.5	27.5	8.75	2053	-14.4
51	Melamed, DanielFM	2115	AUS	−31B	+55N	−36B	−54N	−27B	−46N	+57N	=44B	=59N	3.0	26.5	28.5	7.25	2011	-26.8
52	Steadman, Michael V RFM	2012	NZL	+9B	−20N	+27B	−14N	−22B	=25N	−26B	−29N	−44N	2.5	39.0	42.5	12.75	2001	-4.6
53	Rumley, William	1895	AUS	+15N	=18B	−11N	−8B	+32B	−27N	−35B	−46N	−48B	2.5	38.0	41.5	12.00	1991	+16.0
54	Zheng, TonyCM	2037	AUS	−3N	=15B	=44N	+51B	=34N	−9B	−30N	−47B	F	2.5	36.0	36.0	9.50	1995	-9.4
55	Cronin, Henry	2015	AUS	−17N	−51B	−42N	F	+46B	−37B	+44N	−50N	=45B	2.5	29.0	29.0	8.75	1984	-6.6
56	Corona, Jonluke	2002	AUS	−19B	F	−15N	−57B	+60N	=44B	−32N	=45B	=58N	2.5	25.5	25.5	4.50	1939	-26.0
57	Verma, RudraCM	2016	AUS	−14B	−25N	=28B	+56N	−26B	−29N	−51B	=48B	F	2.0	32.5	32.5	6.50	1927	-26.0
58	Power, Ted	2049	AUS	−20B	−26N	=29B	−41N	−48B	+60N	−28N	F	=56B	2.0	28.0	28.0	3.50	1908	-49.2
59	Slater-Jones, HenryCM	2001	AUS	F	F	−25B	+46N	−50B	=42B	−34N	−28N	=51B	2.0	26.0	26.0	6.75	1988	-3.4
60	Smith, DeclanCM	2060	AUS	−2N	−23B	−45N	−29N	−56B	−58B	F	F	F	0.0	24.0	24.0	0.00	1329	-51.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Huang, YuanCMAUS
+130.4
5.5 pts · #15
2Nguyen Thi Mai HungWGMVIE
+51.6
6.0 pts · #6
3Ni, LucasCMAUS
+47.5
4.5 pts · #26

Top rating losers

1Smith, DeclanCMAUS
-51.2
0.0 pts · #60
2Kurniawan, StephanusFMAUS
-50.0
4.5 pts · #27
3Power, TedAUS
-49.2
2.0 pts · #59

Biggest upsets

R5+310 Elo gap
CMLane, Ryan2097 beat IMXie, Felix2407
R1+294 Elo gap
FMDai, Cheng2113 beat IMXie, Felix2407
R5+273 Elo gap
CMZhao, Lucas2012 beat FMKurniawan, Stephanus2285