20th Annual Los Angeles Open - Major

SwissStandard

82 players participated in this 5-round tournament, held from 07 Nov 2025 to 09 Nov 2025 in Irvine, CA, United States. 14 titled players from 8 federations. Top 10 Elo average was 2308, and top seed was Jianchao Zhou (🇺🇸 USA, GM, 2591).

Jianchao Zhou (🇺🇸 USA, GM, 2591) won with 4.5/5, ahead of David Gasparyan (4.5) and Rose Atwell (4.0). Zhou shared the lead from round 4, winning on tie-break.

The biggest upset came in round 1: Arjun Jagan (1636) beat Reyansh Paragiri (1968), a +332-point gap.

Location

🇺🇸Irvine, CA, United States

Dates

07 Nov 2025 → 09 Nov 2025

Time control

Standard: 40 Moves in 80 Min. Del. 30 Sec. / / 30 Min. Del. 30 Sec.

System

Swiss · 5 rounds

Top seed

🇺🇸GMJianchao Zhou2591

Avg top 10

2,308

Participants

Titled players · 14

GM×2

IM×2

FM×5

CM×3

WFM×1

WCM×1

Federations · 8 represented

🇺🇸United States of America×73

🇦🇲Armenia×2

🇵🇸Palestine×1

🇨🇦Canada×1

🇲🇽Mexico×1

🇬🇧England×1

🇮🇹Italy×1

🇷🇺Russia×1

Top 3

🥇
GMJianchao Zhou
🇺🇸USA·2591
4.5pts·2588perf+0.2
🥈
David Gasparyan
🇺🇸USA·2197
4.5pts·2365perf+34.8
🥉
FMRose Atwell
🇺🇸USA·2349
4.0pts·2219perf-10.0

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.5/5, decided on Buchholz. Title race narrowed from 4 co-leaders at R4 to 2 at the finish.

Co-leaders

Zhou4.5Gasparyan4.5Atwell4Yanayt4Bakin3.5Colville3.5

R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Zhou takes the title on Buchholz Cut1 (12.5).

R3–R5 · WIN STREAK

David Gasparyan won 3 in a row (R3–R5).

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Zhou, JianchaoGM	2591	USA	+27N	+14B	=6N	+7B	+34B	4.5	12.5	14.5	12.75	2588	+0.2
2	Gasparyan, David	2197	USA	+13B	=8N	+24B	+45N	+5B	4.5	12.5	14.0	12.25	2365	+34.8
3	Atwell, RoseFM	2349	USA	=25B	+64N	+21B	=9N	+15B	4.0	11.5	12.5	9.50	2219	-10.0
4	Yanayt, EugeneFM	2134	USA	+72N	+11B	+48N	−34N	+13B	4.0	10.0	10.5	8.50	2219	+11.0
5	Colville, JulianIM	2311	USA	+16N	=23B	+52N	+6B	−2N	3.5	13.5	15.0	9.25	2204	-9.8
6	Guo, Felix	2066	USA	+62B	+30N	=1B	−5N	+25B	3.5	13.0	14.0	8.25	2252	+44.8
7	Damaraju, Ashwin	2173	USA	+10B	=21N	+63B	−1N	+47B	3.5	12.0	13.0	7.25	2136	-4.8
8	Xu, GordonCM	1998	USA	+46N	=2B	+79N	+17N	−35B	3.5	11.0	11.0	6.75	2248	+61.6
9	Gattani, Sarthak	2034	USA	+38N	+31B	=35N	=3B	=48N	3.5	10.5	12.0	8.25	2162	+33.2
10	Bakin, Oleg	1987	RUS	−7N	=26B	+44N	+63B	+23N	3.5	10.0	11.0	6.25	2044	+9.6
11	Karkainen, Hayden	1942	USA	+71B	−4N	+62B	=29N	+22B	3.5	10.0	10.5	5.25	2035	+13.0
12	Gracia Alvarez, Gerardo AntonioFM	2223	MEX	+39N	+32B	=45N	=35B	=59N	3.5	8.0	9.5	7.00	2232	+3.0
13	Vichare, Ruhan Yogesh	1855	USA	−2N	+46B	+55N	+18B	−4N	3.0	13.0	14.5	6.00	2043	+46.8
14	Movsisyan, Harutyun	2166	ARM	+37B	−1N	+57B	−15N	+41B	3.0	11.0	12.5	5.00	2065	-10.0
15	Paragiri, Reyansh	1968	USA	−31N	+74B	+58N	+14B	−3N	3.0	11.0	11.5	5.00	1926	-8.8
16	Mehta, Hursh	1942	USA	−5B	+37N	+64B	−28N	+56B	3.0	9.5	10.5	4.50	1952	+2.8
17	Wang, TedFM	2224	USA	=22B	=50N	+73N	−8B	+51N	3.0	9.0	9.5	4.00	1970	-26.6
18	Moussa, AlaaeddineCM	1903	PLE	+42B	+53N	−34B	−13N	+65B	3.0	8.0	9.0	4.00	2002	+11.0
19	Miller, Ike S	1968	USA	=43N	+76B	=41N	=36B	=24N	3.0	7.5	8.0	4.25	1843	-15.4
20	Shuben, Matthew	2000	USA	F	F	+81N	+41N	+28B	3.0	4.0	4.0	4.00	2661	+20.2
21	Sankar, Tarun	1830	USA	+26N	=7B	−3N	−47N	+64B	2.5	11.5	12.5	5.25	2058	+40.8
22	Palathingal, RafaelCM	1984	USA	=17N	=36B	+75N	=23B	−11N	2.5	11.0	11.5	4.25	1947	-8.0
23	Guntaka, AayanshFM	2132	USA	+80B	=5N	=47B	=22N	−10B	2.5	11.0	11.0	3.75	2004	-23.2
24	Qi, JennyWFM	1826	USA	F	+43B	−2N	+42N	=19B	2.5	10.5	10.5	4.50	2024	+38.4
25	Liu, Liam	1996	USA	=3N	−41B	+43N	+79B	−6N	2.5	10.5	10.5	3.50	1959	-11.2
26	Joseph, Veronique	1791	USA	−21B	=10N	+72N	=52B	=27N	2.5	10.0	10.5	4.25	1930	+36.4
27	Muller, Axel	2017	USA	−1B	=42N	=49B	+77N	=26B	2.5	10.0	10.5	3.25	1912	-28.8
28	Zhou, Ivan	2106	USA	F	+49N	=29B	+16B	−20N	2.5	10.0	10.0	5.75	2000	-20.4
29	Han, Shuyi	1815	USA	F	+66B	=28N	=11B	=30N	2.5	9.5	9.5	5.25	2062	+51.2
30	Sherwood, Forest J	1918	USA	+54N	−6B	+38N	F	=29B	2.5	9.5	9.5	4.75	1883	-5.6
31	Jagan, Arjun	1636	USA	+15B	−9N	−50B	+62N	=66B	2.5	9.0	10.0	4.50	1918	+65.6
32	Bagdasarian, Ararat	2035	USA	+44B	−12N	−65B	=73N	+42B	2.5	7.5	8.0	3.25	1863	-40.8
33	Porat, ToriWCM	2005	USA	F	F	+82N	=51B	+36N	2.5	3.5	3.5	2.75	2088	+10.8
34	Xie, BryanIM	2347	USA	F	F	+18N	+4B	−1N	2.0	11.5	11.5	7.00	2349	+1.1
35	Mikaelyan, ArmanGM	2500	ARM	F	F	=9B	=12N	+8N	2.0	10.5	10.5	7.00	2266	-6.7
36	Bajoghli, Navid	1776	USA	F	=22N	+61B	=19N	−33B	2.0	9.5	9.5	4.25	1966	+19.8
37	Yang, Andersen	1755	USA	−14N	−16B	=68N	=44B	+74N	2.0	8.5	9.0	1.75	1701	-15.2
38	Ni, Leo	1769	USA	−9B	+71N	−30B	−56N	+69B	2.0	8.5	9.0	1.50	1728	-12.8
39	Zhang, Michael	1843	USA	−12B	+80N	−67B	=58N	=75B	2.0	6.5	6.5	1.00	1772	-20.8
40	Webster, Wilton	0	ENG	F	−63N	−42B	+60B	+43N	2.0	5.5	5.5	3.00	1733	0.0
41	Wang, Howard	1785	USA	F	+25N	=19B	−20B	−14N	1.5	11.5	11.5	4.00	1946	+27.6
42	Lin, Ashley	1823	USA	−18N	=27B	+40N	−24B	−32N	1.5	10.5	12.5	3.25	1623	-34.8
43	Ly, Terrence	1728	USA	=19B	−24N	−25B	+71N	−40B	1.5	10.0	10.5	2.00	1778	+6.8
44	Xu, Pear	1725	USA	−32N	=72B	−10B	=37N	=46N	1.5	9.5	10.0	2.00	1744	+1.2
45	Silva, Javier	2005	USA	F	F	=12B	−2B	+50N	1.5	9.5	9.5	3.25	2094	+13.6
46	Chen, Leo H	1809	USA	−8B	−13N	=71B	=69N	=44B	1.5	9.0	9.5	1.50	1662	-39.6
47	He, William Z	0	USA	F	F	=23N	+21B	−7N	1.5	8.5	8.5	3.75	2045	0.0
48	Wang, Yuqi	1874	USA	F	F	−4B	+67N	=9B	1.5	8.5	8.5	2.75	1999	+18.8
49	Karthik Bimod	1862	IND	F	−28B	=27N	−55B	+68N	1.5	7.5	7.5	2.25	1835	-8.4
50	Desousa, Brian	1861	USA	F	=17B	+31N	F	−45B	1.5	7.0	7.0	4.00	1956	+6.2
51	Bronshtein, Marc	1773	USA	F	F	+53B	=33N	−17B	1.5	7.0	7.0	2.75	1997	+30.4
52	Dentchouk, Emmanuel	1940	USA	F	F	−5B	=26N	+67B	1.5	7.0	7.0	2.25	1977	+2.0
53	Chang, Kyle	1812	USA	F	−18B	−51N	=54B	+63N	1.5	7.0	7.0	1.75	1652	-12.8
54	Ju, Jason Jialong	0	USA	−30B	−62N	+78B	=53N	−57B	1.5	6.5	7.0	1.25	1536	0.0
55	Marzban, Brandon Ashkan	1811	USA	F	F	−13B	+49N	=61B	1.5	6.0	6.0	2.25	1875	+10.4
56	Bandatmakuru, Navyan Reddy	1570	USA	F	F	=76N	+38B	−16N	1.5	5.5	5.5	2.25	1816	+35.2
57	Zargaryan, Marat	1877	USA	F	F	−14N	=68B	+54N	1.5	5.5	5.5	2.00	1767	-13.2
58	Chen, Tony	0	USA	F	F	−15B	=39B	+79N	1.5	5.0	5.0	1.00	1892	0.0
59	Zhang, Nathaniel	2030	USA	F	F	F	+65N	=12B	1.5	4.5	4.5	2.75	2232	+10.4
60	Panikkath, Aditya	1726	USA	F	F	=69B	−40N	+78B	1.5	3.5	3.5	1.00	1807	+4.4
61	Sarangi, Shreyan	1907	USA	F	F	−36N	+81B	=55N	1.5	3.5	3.5	0.75	1760	-23.2
62	Murali, Dhruv	1824	CAN	−6N	+54B	−11N	−31B	F	1.0	11.0	11.0	1.50	1082	-51.2
63	Chen, Renae	1661	USA	F	+40B	−7N	−10N	−53B	1.0	10.5	10.5	2.00	1151	-19.6
64	Nemeth, Jake	1656	USA	F	−3B	−16N	+82B	−21N	1.0	9.5	9.5	0.00	1738	+11.6
65	Lew, Evan Jet	1855	USA	F	F	+32N	−59B	−18N	1.0	7.0	7.0	2.50	1864	+1.6
66	Akopian, Robert	1900	USA	F	−29N	=77B	F	=31N	1.0	5.5	5.5	1.50	1581	-24.6
67	Zamojski, Chloe Melissandre	1830	USA	F	F	+39N	−48B	−52N	1.0	5.0	5.0	2.00	1761	-10.8
68	Komatineni, Tanush S	1753	USA	F	F	=37B	=57N	−49B	1.0	5.0	5.0	1.75	1706	-7.2
69	Yi, Victor	1805	USA	F	F	=60N	=46B	−38N	1.0	5.0	5.0	1.50	1643	-26.4
70	Patankar, Shubham	1739	USA	F	F	+80B	F	F	1.0	0.0	0.0	0.00	2520	+18.8
71	Yu, Benjamin	1671	USA	−11N	−38B	=46N	−43B	F	0.5	8.5	8.5	0.75	1490	-30.8
72	Sun, Charlie	1878	USA	−4B	=44N	−26B	F	F	0.5	8.0	8.0	0.75	1611	-40.4
73	Shi, Evan	1687	USA	F	F	−17B	=32B	F	0.5	5.5	5.5	1.25	1868	+12.4
74	Tenenbaum, Misha	0	USA	F	−15N	F	=78N	−37B	0.5	5.5	5.5	0.25	1062	0.0
75	Krishna, Sai	1661	USA	F	F	−22B	F	=39N	0.5	4.5	4.5	1.00	1721	+4.4
76	Huang, George	1738	USA	F	−19N	=56B	F	F	0.5	4.5	4.5	0.75	1576	-17.2
77	Aravind, Kavin	1666	USA	F	F	=66N	−27B	F	0.5	3.5	3.5	0.50	1766	+7.2
78	Martini, Leonardo	0	ITA	F	F	−54N	=74B	−60N	0.5	3.5	3.5	0.25	926	0.0
79	Taylor, Michael	1866	USA	F	F	−8B	−25N	−58B	0.0	7.5	7.5	0.00	1197	-12.8
80	He, Bonnie	1720	USA	−23N	−39B	−70N	F	F	0.0	5.5	5.5	0.00	1101	-35.2
81	Daftuar, Rohan	1693	USA	F	F	−20B	−61N	F	0.0	4.5	4.5	0.00	1154	-14.8
82	Royal Jr., Paul	1895	USA	F	F	−33B	−64N	F	0.0	3.5	3.5	0.00	1031	-23.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Jagan, ArjunUSA
+65.6
2.5 pts · #23
2Xu, GordonCMUSA
+61.6
3.5 pts · #11
3Han, ShuyiUSA
+51.2
2.5 pts · #22

Top rating losers

1Murali, DhruvCAN
-51.2
1.0 pts · #76
2Bagdasarian, AraratUSA
-40.8
2.5 pts · #28
3Sun, CharlieUSA
-40.4
0.5 pts · #74

Biggest upsets

R1+332 Elo gap
Jagan, Arjun1636 beat Paragiri, Reyansh1968
R4+239 Elo gap
Nemeth, Jake1656 beat Royal Jr., Paul1895
R4+226 Elo gap
CMXu, Gordon1998 beat FMWang, Ted2224