42nd Annual Reno Western States Open

SwissStandard

41 players participated in this 6-round tournament, held from 03 Oct 2025 to 05 Oct 2025 in Reno, NV, United States. 13 titled players from 4 federations. Top 10 Elo average was 2278, and top seed was Nick De Firmian (🇺🇸 USA, GM, 2445).

Vladimir Mezentsev (🇷🇺 RUS, IM, 2340) won with 5.0/6, ahead of Daniel He (4.5) and Sergey Kudrin (4.5). Mezentsev won solo starting round 4.

The biggest upset came in round 6: Sanat Singhal (1885) beat Rafael Palathingal (CM, 2083), a +198-point gap.

Location

🇺🇸Reno, NV, United States

Dates

03 Oct 2025 → 05 Oct 2025

Time control

Standard: 40 Moves in 120 Min. Del. 5 Sec. / in 55 Min. Del. 5 Sec. /

System

Swiss · 6 rounds

Top seed

🇺🇸GMNick De Firmian2445

Avg top 10

2,278

Participants

Titled players · 13

GM×2

IM×3

FM×6

CM×2

Federations · 4 represented

🇺🇸United States of America×35

🇷🇺Russia×4

🇨🇴Colombia×1

🇮🇳India×1

Top 3

🥇
IMVladimir Mezentsev
🇷🇺RUS·2340
5.0pts·2492perf+11.4
🥈
FMDaniel He
🇺🇸USA·2275
4.5pts·2343perf+13.2
🥉
GMSergey Kudrin
🇺🇸USA·2299
4.5pts·2295perf+0.6

How it unfolded

Top 6 · 6 rounds

IM Vladimir Mezentsev led from R4; +0.5-point edge over the runner-up.

Co-leaders

Mezentsev5He4.5Kudrin4.5Cigan4Wang4Yanayt4

R4–R6 · LEAD HELD

IM Vladimir Mezentsev held the sole lead from R4 through R6 without losing it.

R4 · HEAD-TO-HEAD · WINNER VS 2ND

IM Vladimir Mezentsev beat FM Daniel He (White).

WIN STREAKS · 2 top finishers

IM Vladimir Mezentsev 4 wins (R1–R4)FM Daniel He 3 wins (R1–R3)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1IMVladimir Mezentsev	*	1	½	—
2FMDaniel He	0	*	—	—
3GMSergey Kudrin	½	—	*	—
4Jason Cigan	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	R6	Pts	Bu C1	Bu	SB	Perf	Δ
1	Mezentsev, VladimirIM	2340	RUS	+22N	+7B	+6N	+2B	=5B	=3N	5.0	21.0	23.5	19.25	2492	+11.4
2	He, DanielFM	2275	USA	+26B	+19N	+4B	−1N	=17N	+15B	4.5	18.5	21.0	14.50	2343	+13.2
3	Kudrin, SergeyGM	2299	USA	+25N	=11B	=13N	+31B	+12B	=1B	4.5	18.0	20.5	14.50	2295	+0.6
4	Zilberstein, DmitryIM	2356	USA	+34B	=10N	−2N	+24B	+19B	=6N	4.0	17.5	19.5	11.25	2206	-8.6
5	De Firmian, NickGM	2445	USA	+27N	=12B	F	+13B	=1N	+17B	4.0	17.5	17.5	13.25	2411	-0.8
6	Uz, Kagan	2211	USA	+32N	+41B	−1B	=21N	+28B	=4B	4.0	16.0	16.5	8.25	2213	+6.8
7	Yanayt, EugeneFM	2129	USA	+33B	−1N	−21B	+32N	+22B	+30N	4.0	14.5	16.5	9.00	2091	-3.0
8	Wang, TedFM	2262	USA	=24B	+18B	=11N	+34B	+10N	F	4.0	14.5	14.5	11.50	2268	+2.4
9	Cigan, Jason	2119	USA	=39N	=20B	=14N	=23B	+26N	+18B	4.0	14.0	15.0	10.25	1999	-13.4
10	Jagirapu, Harshin Reddy	2082	USA	+14B	=4B	+28N	=12N	−8B	=11N	3.5	18.5	21.0	11.50	2182	+32.8
11	Biyiasas, Theodore	2014	USA	+38N	=3N	=8B	−17B	+20N	=10B	3.5	17.5	19.0	10.00	2124	+18.0
12	Heiserman, Jimmy	2149	USA	+36N	=5N	+23B	=10B	−3N	=31N	3.5	17.0	19.0	9.50	2156	+2.6
13	Muratov, SergeyFM	2090	RUS	=20N	+39B	=3B	−5N	+34B	=16N	3.5	16.5	17.5	8.25	2087	+1.4
14	Sanat Singhal	1885	IND	−10N	+22B	=9B	−15N	+41B	+28N	3.5	16.0	16.5	7.50	2068	+29.0
15	Kelson, RichardFM	2108	USA	=23N	=35B	=20N	+14B	+21N	−2N	3.5	15.5	17.5	9.50	1993	-14.0
16	Liu, Liam	1969	USA	=37B	=40N	=41N	=20B	+23N	=13B	3.5	11.0	11.5	7.00	1869	-27.2
17	Liu, PatrickFM	2229	USA	F	=24N	+32B	+11N	=2B	−5N	3.0	16.5	16.5	9.00	2175	-7.6
18	Bachin, VitaliiIM	2217	RUS	+21B	−8N	=24B	=25N	+27B	−9N	3.0	15.5	18.0	7.50	2035	-13.2
19	Leano, Bryan	1992	USA	+29B	−2B	+33N	F	−4N	+21B	3.0	15.5	15.5	7.00	2110	+14.4
20	Chandar, Yajur J	1718	USA	=13B	=9N	=15B	=16N	−11B	=22N	2.5	18.0	20.5	8.50	1985	+67.2
21	Parshall, Matthew	2017	USA	−18N	+27B	+7N	=6B	−15B	−19N	2.5	17.5	20.0	8.50	2043	+6.0
22	Cui, Young Cheung	1952	USA	−1B	−14N	+36B	+29N	−7N	=20B	2.5	17.5	19.5	5.75	1899	-22.0
23	Lin, Michael	1834	USA	=15B	+30B	−12N	=9N	−16B	=25N	2.5	17.0	19.5	7.50	1962	+33.2
24	Akopian, Robert	1861	USA	=8N	=17B	=18N	−4N	=33B	=27N	2.5	16.5	18.5	7.25	2063	+23.4
25	Rangel, CarlosCM	2004	COL	−3B	=29N	+37N	=18B	−31N	=23B	2.5	15.0	16.5	5.50	1914	-15.0
26	Vishal, Vyas	1802	USA	−2N	−33B	+38B	+40N	−9B	=29B	2.5	14.5	15.5	3.75	1853	+7.6
27	Liang, Ethan Y	1945	USA	−5B	−21N	+39N	+35B	−18N	=24B	2.5	14.0	15.0	4.25	1961	-2.4
28	Palathingal, RafaelCM	2083	USA	=40N	+37B	−10B	+41N	−6N	−14B	2.5	13.5	14.0	2.50	1844	-69.6
29	Ni, Leo	1738	USA	−19N	=25B	=30N	−22B	+32B	=26N	2.5	13.0	15.0	5.75	1848	+30.8
30	Pupols, Viktors	1764	USA	=35B	−23N	=29B	=33N	+37B	−7B	2.5	13.0	14.5	4.75	1796	+2.8
31	Zhou, Ivan	2011	USA	F	F	+35N	−3N	+25B	=12B	2.5	12.5	12.5	6.25	2180	+33.6
32	Price, Josh James	1918	USA	−6B	+38N	−17N	−7B	−29N	+37N	2.0	15.0	16.5	3.00	1849	-26.4
33	Chen, Leo H	1804	USA	−7N	+26N	−19B	=30B	=24N	F	2.0	14.5	14.5	5.00	1838	+5.2
34	Karthikeyan, Harishkumar	1967	USA	−4N	+36B	+40B	−8N	−13N	F	2.0	14.5	14.5	3.00	2011	+5.2
35	Venkat, Varun	1886	USA	=30N	=15N	−31B	−27N	+40B	F	2.0	12.0	12.0	4.00	1851	-11.2
36	Mokeeva, Zlata	1923	RUS	−12B	−34N	−22N	=38B	=39N	+40B	2.0	10.5	11.5	2.25	1783	-45.6
37	Weiss, Roi	1726	USA	=16N	−28N	−25B	+39B	−30N	−32B	1.5	13.0	14.0	2.75	1727	-3.2
38	Han, Shuyi	1809	USA	−11B	−32B	−26N	=36N	F	+41B	1.5	10.5	10.5	1.50	1726	-22.4
39	Fang, Zelin	1782	USA	=9B	−13N	−27B	−37N	=36B	F	1.0	13.5	13.5	3.00	1720	-17.6
40	Flavin, Finnegan	1786	USA	=28B	=16B	−34N	−26B	−35N	−36N	1.0	12.5	14.5	3.00	1665	-33.2
41	Indukuri, Suhas	1719	USA	F	−6N	=16B	−28B	−14N	−38N	0.5	15.0	15.0	1.75	1607	-21.2

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Chandar, Yajur JUSA
+67.2
2.5 pts · #25
2Zhou, IvanUSA
+33.6
2.5 pts · #23
3Lin, MichaelUSA
+33.2
2.5 pts · #22

Top rating losers

1Palathingal, RafaelCMUSA
-69.6
2.5 pts · #26
2Mokeeva, ZlataRUS
-45.6
2.0 pts · #35
3Flavin, FinneganUSA
-33.2
1.0 pts · #40

Biggest upsets

R6+198 Elo gap
Sanat Singhal1885 beat CMPalathingal, Rafael2083
R5+180 Elo gap
Ni, Leo1738 beat Price, Josh James1918
R3+112 Elo gap
Parshall, Matthew2017 beat FMYanayt, Eugene2129