2025 U.S. Women's Open

Open SwissStandard

60 players participated in this 5-round tournament, held from 04 Jun 2025 to 05 Jun 2025 in Las Vegas, NV, United States. 9 titled players from 6 federations. Top 10 Elo average was 1939, and top seed was Rachael Li (🇺🇸 USA, WIM, 2220).

Rachael Li (🇺🇸 USA, WIM, 2220) won with 4.5/5, ahead of Tsogtsaikhan Saikhanchimeg (4.5) and Tanya G Prabhu (4.0). Li shared the lead from round 1, winning on tie-break.

The biggest upset came in round 5: Tanya G Prabhu (1631) beat Ivona Jezierska (WFM, 2046), a +415-point gap.

Location

🇺🇸Las Vegas, NV, United States

Dates

04 Jun 2025 → 05 Jun 2025

Time control

Standard: 90 minutes with 30 second increment from move 1

System

Swiss · 5 rounds

Top seed

🇺🇸WIMRachael Li2220

Avg top 10

1,939

Participants

Titled players · 9

CM×1

WIM×1

WFM×6

WCM×1

Federations · 6 represented

🇺🇸United States of America×40

🇲🇳Mongolia×3

🇲🇽Mexico×2

🇧🇼Botswana×1

🇮🇳India×1

🇨🇺Cuba×1

Top 3

🥇
WIMRachael Li
🇺🇸USA·2220
4.5pts·2233perf+1.8
🥈
WFMTsogtsaikhan Saikhanchimeg
🇲🇳MGL·1963
4.5pts·2138perf+18.6
🥉
Tanya G Prabhu
🇺🇸USA·1631
4.0pts·1997perf+54.0

How it unfolded

Top 6 · 5 rounds

Tight race until R5; 2 players tied at 4.5/5, decided on Buchholz.

Co-leaders

Saikhanchimeg4.5Li4.5Badamkhand4Amarjargal4Prabhu4Kaur4

R5 · TIEBREAK CLUSTER

2 players finish on 4.5/5. Li takes the title on Buchholz Cut1 (13.5).

WIN STREAKS · 3 top finishers

WFM Tsogtsaikhan Saikhanchimeg 3 wins (R1–R3)WIM Rachael Li 4 wins (R1–R4)WFM Norovsambuu Badamkhand 3 wins (R2–R4)

Key matchups · top 4

Head-to-head between the four finishers

Player	1	2	3	4
1WFMTsogtsaikhan Saikhanchimeg	*	—	—	—
2WIMRachael Li	—	*	½	—
3WFMNorovsambuu Badamkhand	—	½	*	—
4Ganbaatar Amarjargal	—	—	—	*

Grille américaine

#	Player	Elo	Fed	R1	R2	R3	R4	R5	Pts	Bu C1	Bu	SB	Perf	Δ
1	Li, RachaelWIM	2220	USA	+32B	+16N	+10B	+15N	=4B	4.5	13.5	16.0	14.00	2233	+1.8
2	Saikhanchimeg, TsogtsaikhanWFM	1963	MGL	+47B	+14N	+29B	=7N	+9B	4.5	13.0	14.5	12.75	2138	+18.6
3	Prabhu, Tanya G	1631	USA	+48B	+38N	=8B	=5N	+15B	4.0	12.5	14.0	10.25	1997	+54.0
4	Badamkhand, NorovsambuuWFM	1900	MGL	=34B	+26N	+27B	+24N	=1N	4.0	12.0	14.0	10.75	2117	+18.6
5	Kaur, AradhWFM	1790	USA	=26N	+60B	+25N	=3B	+17N	4.0	12.0	12.0	8.75	1723	-7.1
6	Amarjargal, Ganbaatar	1759	MGL	−36N	+48B	+20N	+21B	+18N	4.0	11.0	12.5	10.50	2548	+19.6
7	Castillo Coca, MairebisWFM	2015	CUB	=19N	+36B	+13N	=2B	=8N	3.5	14.5	16.5	11.00	1895	-11.0
8	Zamojski, Chloe Melissandre	1795	USA	+43N	+21B	=3N	=17B	=7B	3.5	13.5	15.5	10.25	1764	-5.6
9	Regam, JessicaWFM	1908	USA	+35N	=25B	+22N	+11B	−2N	3.5	13.5	15.5	9.75	1913	+3.2
10	Lin, Ashley	1715	USA	+44B	+23N	−1N	=16B	+30N	3.5	13.0	15.0	9.00	1895	+33.6
11	Pitso RefilweWCM	1816	BOT	+37B	+12N	=24B	−9N	+31B	3.5	12.0	14.0	9.25	1737	-5.8
12	Xiao, Edira	1584	USA	+52N	−11B	+35N	+19B	=16N	3.5	11.5	13.0	8.00	1772	+38.8
13	Ganapathy, Aishwarya Lakshmi	1721	USA	+49B	=22N	−7B	+25N	+24B	3.5	11.5	13.0	8.00	1755	+3.6
14	SakthiSaravanan, Kaavya	1766	USA	+55N	−2B	+47N	=32B	+28N	3.5	11.0	12.0	6.25	1814	+9.2
15	Jezierska, IvonaWFM	2046	USA	+20N	+45B	+28N	−1B	−3N	3.0	14.0	16.0	7.50	1833	-19.0
16	Rao, Anjali	1664	USA	+46B	−1B	+38N	=10N	=12B	3.0	13.5	15.5	7.50	1662	-4.8
17	Doan, Emilyn Chiu	1647	USA	+50B	=27N	+40B	=8N	−5B	3.0	12.0	13.5	6.50	1781	+28.8
18	Taguinin, Leah Bernardo	1915	USA	−38B	+51N	+34B	+23N	−6B	3.0	11.0	12.5	6.50	1871	-6.8
19	Saha, Tanisha	1720	USA	=7B	=34N	+39B	−12N	+55B	3.0	11.0	12.0	5.75	1606	-13.2
20	Amin, Aida	1580	USA	−15B	+57N	−6B	+44N	+39B	3.0	11.0	12.0	5.00	1070	-14.0
21	Wang, Aurora	0	USA	+?B	−8N	+49B	−6N	+37B	3.0	11.0	11.0	3.50	977	0.0
22	Ding, Olivia	1597	USA	+56N	=13B	−9B	=37N	+51B	3.0	10.5	11.5	5.25	1785	+29.2
23	Namala, Dhanvi	1755	USA	+54N	−10B	+42N	−18B	+35N	3.0	10.5	11.5	5.00	1658	-16.8
24	Yang, Emma	1660	USA	+41N	+42B	=11N	−4B	−13N	2.5	13.0	15.0	5.75	1702	+10.0
25	Raghuraman Pratheepa, Harshitha	0	USA	+?B	=9N	−5B	−13B	+43N	2.5	13.0	13.0	3.75	1647	0.0
26	Sierra Aguilera, Asminda	1517	MEX	=5B	−4B	+50N	−27N	+53B	2.5	12.0	13.5	5.00	1532	+0.4
27	Chen, Renae	1726	USA	+33N	=17B	−4N	+26B	F	2.5	12.0	12.0	6.50	1688	-6.0
28	Kaur, JindCM	1641	USA	+53B	+30N	−15B	=31N	−14B	2.5	11.5	13.0	5.25	1634	-6.8
29	Selvam, Swagatha	1609	USA	+39B	+31N	−2N	=30B	F	2.5	11.5	11.5	5.75	1680	+8.4
30	Jiang, Olivia	1666	USA	+58N	−28B	+43N	=29N	−10B	2.5	10.5	11.0	3.75	1381	-41.6
31	Sahasra Vijay	1411	IND	+59N	−29B	+36N	=28B	−11N	2.5	10.5	10.5	3.25	1414	-1.2
32	Daftuar, Leya	0	USA	−1N	+55B	+54N	=14N	F	2.5	10.0	10.0	3.75	1800	0.0
33	FIDE 39983692	0	—	−27B	−50N	=52B	+58N	+49B	2.5	7.0	7.5	2.75	926	0.0
34	Lee, Angelina	0	USA	=4N	=19B	−18N	−41B	+50N	2.0	12.0	13.5	5.00	1584	0.0
35	Doan, Thia	1501	USA	−9B	+46N	−12B	+48N	−23B	2.0	12.0	13.5	3.50	948	-26.4
36	Sizova, Sophia	0	USA	+6B	−7N	−31B	−40N	+56B	2.0	12.0	13.0	5.00	1557	0.0
37	Rivkin, Gabrielle	0	USA	−11N	+?B	=45N	=22B	−21N	2.0	11.5	11.5	2.50	1643	0.0
38	Guan, Renee Jiayi	0	USA	+18N	−3B	−16B	+?N	F	2.0	10.0	10.0	3.00	1682	0.0
39	Gupta, Shanaya	0	USA	−29N	+59B	−19N	+47B	−20N	2.0	10.0	10.0	1.50	1400	0.0
40	Verma, Angelina	1814	USA	−42N	+41B	−17N	+36B	F	2.0	9.0	9.0	4.00	1448	-27.8
41	Le, Thu Anh	1574	USA	−24B	−40N	+46B	+34N	F	2.0	8.5	8.5	4.00	937	-11.6
42	Kaul, Anika Shambhavi	1497	USA	+40B	−24N	−23B	+54N	F	2.0	8.5	8.5	3.00	1618	+16.4
43	FIDE 39924807	0	—	−8B	+?N	−30B	+59N	−25B	2.0	8.5	8.5	0.00	931	0.0
44	Williams, Melody	0	USA	−10N	−54B	+58N	−20B	+?B	2.0	8.0	8.0	0.50	1479	0.0
45	Liang, Candice	1647	USA	+57B	−15N	=37B	=51N	F	2.0	7.5	7.5	2.75	1693	+1.2
46	FIDE 39983722	0	—	−16N	−35B	−41N	+?B	+59B	2.0	7.0	7.0	0.00	781	0.0
47	Enriquez Gordillo, Maria Jose	1464	MEX	−2N	+52B	−14B	−39N	=48B	1.5	11.5	13.0	2.25	1015	-9.2
48	Biswas, Mityl	0	USA	−3N	−6N	+56B	−35B	=47N	1.5	11.5	12.5	1.75	1268	0.0
49	FIDE 39956156	0	—	−13N	+56B	−21N	=50B	−33N	1.5	10.5	11.5	1.75	921	0.0
50	FIDE 39983749	0	—	−17N	+33B	−26B	=49N	−34B	1.5	10.0	11.5	3.25	782	0.0
51	Madden, Dahlia	1725	USA	F	−18B	+53N	=45B	−22N	1.5	9.5	9.5	2.50	1445	-20.8
52	FIDE 39983714	0	—	−12B	−47N	=33N	−53B	+54B	1.5	9.0	10.0	2.25	724	0.0
53	Wang, Yulan	0	USA	−28N	=58B	−51B	+52N	−26N	1.5	8.0	8.5	1.75	828	0.0
54	FIDE 39983730	0	—	−23B	+44N	−32B	−42B	−52N	1.0	9.5	11.0	2.00	826	0.0
55	FIDE 39924840	0	—	−14B	−32N	+?B	F	−19N	1.0	9.0	9.0	0.00	943	0.0
56	FIDE 39967727	0	—	−22B	−49N	−48N	+57B	−36N	1.0	8.0	9.0	1.00	791	0.0
57	FIDE 39983706	0	—	−45N	−20B	−?N	−56N	+58B	1.0	6.5	6.5	0.50	782	0.0
58	Garrison, Nichol	0	USA	−30B	=53N	−44B	−33B	−57N	0.5	8.5	9.5	0.75	866	0.0
59	FIDE 39983846	0	—	−31B	−39N	F	−43B	−46N	0.0	8.5	8.5	0.00	611	0.0
60	FIDE 39924696	0	—	F	−5N	F	F	F	0.0	4.0	4.0	0.00	989	0.0

Key insights

Biggest movers and upsets — the story behind the numbers.

Top rating gainers

1Prabhu, Tanya GUSA
+54.0
4.0 pts · #14
2Xiao, EdiraUSA
+38.8
3.5 pts · #8
3Lin, AshleyUSA
+33.6
3.5 pts · #7

Top rating losers

1Jiang, OliviaUSA
-41.6
2.5 pts · #36
2Verma, AngelinaUSA
-27.8
2.0 pts · #27
3Doan, ThiaUSA
-26.4
2.0 pts · #60

Biggest upsets

R5+415 Elo gap
Prabhu, Tanya G1631 beat WFMJezierska, Ivona2046
R1+317 Elo gap
Kaul, Anika Shambhavi1497 beat Verma, Angelina1814
R3+167 Elo gap
Doan, Emilyn Chiu1647 beat Verma, Angelina1814