WFM

Erin Bian

USA · 17 yrs · K=40 · Peak 2164 (Oct 2023)

Best performance: 2423 at 2024 Washington Class Championships - Masters(Best of 2024)

NOV26 Rating

2091

Live Rating

2091.0

Change

0.0

Games Played

How live ratings are calculated

Rating History · Classical

Loading chart…

Official classical rating by month

List	Rating	Change
Nov 2026	2091	0
Oct 2026	2091	0
Sep 2026	2091	0
Aug 2026	2091	0
Jul 2026	2091	0
Jun 2026	2091	0
May 2026	2091	0
Apr 2026	2091	0
Mar 2026	2091	0
Feb 2026	2091	0
Jan 2026	2091	0
Dec 2025	2091	0

Working toward the Woman International Master title3 tracked norms · games requirement metrating 2164 of 2200composition unverifieddetails ↓

Form · Classical

oldest → latest

Unbeaten in the last 15 games (8 wins, 7 draws), since Jul 19, 2024.

From 197 classical games on record, the latest on Dec 23, 2024.

Classical games since the November list

No rated standard games this rating periodsince the NOV26 list (Nov 1, 2026)

	Last played	Score	TPR
	2024 North American Youth Championship - U16 GirlsDec 18, 2024 – Dec 23, 2024TPR 1942	6½/9	1942

The live rating moves only when new rated games are played. Until then it matches the published rating.

Title Progress

WIM title progress

Working toward the Woman International Master title

Tracked norms: 3 · games requirement met (29, 27 needed)

Rating: peak 2164, needs 2200

Composition: unverified for the tracked norms. The next norm should come from a qualifying open.

XXXIII Pan-American Youth Chess Festival - Under 18 Female Aug 20237/9

Artist Point Double Scheveningen #2 Group ASep 20234½/10

projected2024 North American Youth Championship - U16 Girls Dec 20246½/91st

Based on events we cover plus the FIDE norm registers of all federations. Norms filed elsewhere may not show up here yet.

Best wins · Classical

From 172 rated classical games against rated opponents, 2019–2024

#	Opponent	Rating
1,	IM Leon Piasetski, Sep 2023 · Artist Point Double Scheveningen #2 Group A	, 2239
1,	IM Leon Piasetski, Sep 2023 · Artist Point Double Scheveningen #2 Group A	, 2239
3,	CM Diego Sauvageot Ledezma, Jun 2023 · 2023 National Open - Under 2300	, 2173
4,	FM John Readey, Dec 2024 · 2024 Washington Class Championships - Masters	, 2148
5,	CM Yu-Cheng Liang, Jul 2022 · 27th annual Pacific Coast Open Premier	, 2124
6,	FM Dale R. Haessel, Apr 2022 · 2022 Grand Pacific Open	, 2123
7,	Darian Nguyen, Dec 2021 · 31st Annual North American Open - Under 2100	, 2121
8,	FM Vladislav Zivkovic, Jul 2022 · PNWCC FIDE Hybrid Match - July 23-24	, 2114
9,	Svetozar Djonev, Sep 2022 · PNWCC FIDE Hybrid - Sept 2022 III	, 2109
10,	CM Vidip Kona, Nov 2024 · 2024 Washington Class Championships - Masters	, 2080

#	Opponent	Overall	Rating
1,	GM Vladimir Belous, Highest-rated meeting: Sep 2023 · Artist Point Double Scheveningen #2 Group A	, 1/2	, 2520
2,	GM Dimitri Komarov, Highest-rated meeting: Sep 2023 · Artist Point Double Scheveningen #2 Group A	, 1/2	, 2493
3,	GM Vladimir Georgiev, Highest-rated meeting: Sep 2023 · Artist Point Double Scheveningen #2 Group A	, 0/2	, 2421
4,	GM Maxim Novik, Highest-rated meeting: Aug 2023 · Artist Point Double Scheveningen #2 Group A	, ½/2	, 2410
5,	IM Aaron Jacobson, Highest-rated meeting: Jun 2023 · 51st annual World Open - Open	, 0/1	, 2301
6,	FM Gunnar Andersen, Highest-rated meeting: Jul 2023 · 51st annual World Open - Open	, ½/1	, 2283
7,	IM Leon Piasetski, Highest-rated meeting: Sep 2023 · Artist Point Double Scheveningen #2 Group A	, 2/2	, 2239
8,	FM Tian Sang, Highest-rated meeting: Nov 2024 · 2024 Washington Class Championships - Masters	, ½/1	, 2197
9,	CM Diego Sauvageot Ledezma, Highest-rated meeting: Jun 2023 · 2023 National Open - Under 2300	, 1/1	, 2173
10,	Nino Vlashki, Highest-rated meeting: Sep 2022 · PNWCC FIDE Hybrid - Sept 2022 II	, ½/1	, 2152

Openings · Classical

From the moves of 43 of 197 classical games on record.

As WhiteOpens 1.e4 in 22 of 22 games.

As BlackMeets 1.e4 with 1...e5, and 1.c4 with 1...e5.

All openings (1 as White, 4 as Black)

Openings in White games	Games	Score
Sicilian Defense	13	58%

9 more games in openings played fewer than 3 times.

Against 1.e4: 1...e5 in 10.

Against 1.c4: 1...e5 in 5.

Against 1.d4: 1...Nf6 in 5.

Openings in Black games	Games	Score
English Opening	5	70%
Italian Game	3	67%
Ruy Lopez	3	33%
Scotch Game	3	67%

7 more games in openings played fewer than 3 times.

Event timeline · Classical

33 events

Events before the current rating period show the performance, not a rating change.

Live events show the rating change; earlier events show the performance rating.

Performance rating by year

Year	Games	Score	Avg opp	TPR
2024	22	15½	1822	1971
2022	66	37	1903	1946
2021	24	12½	1645	1659
2020	5	4	1475	1715
2019	7	2	1557	1399

Games count in the month they were played. Each month and year is one performance rating over all of its rated games.

2024 North American Youth Championship - U16 GirlsWIM norm1942
Dec 2024Swissfederation source
#2 in 2024Score 6½/9Opp avg 1776Start 2067
2024 Washington Class Championships - Masters2423
Nov – Dec 2024Swissfederation source
Best of 2024Score 3½/4Opp avg 2087Start 2067
XXXIV Pan-American Youth Championships - Girls U161831
Jul 2024Swissfederation source
#3 in 2024Score 5½/9Opp avg 1751Start 2163
Artist Point Double Scheveningen #2 Group A2381
Aug – Sep 2023Individualfederation source
Best of 2023Score 4½/10Opp avg 2417Start 1957
XXXIII Pan-American Youth Chess Festival - Under 18 FemaleWIM norm2067
Aug 2023Swissfederation source
#2 in 2023Score 7/9Opp avg 1847Start 1957
51st annual World Open - Open1933
Jun – Jul 2023Swissfederation source
#5 in 2023Score 3/8Opp avg 2020Start 1918
2023 National Open - Under 23002026
Jun 2023Swissfederation source
#3 in 2023Score 4½/7Opp avg 1969Start 1918
10th Annual Larry Evans Memorial Open1794
Apr 2023Swissfederation source
#6 in 2023Score 2½/6Opp avg 1851Start 1974
2023 Washington State Championship - Premier1942
Feb 2023Round robinfederation source
#4 in 2023Score 5½/9Opp avg 1862Start 1994
32nd annual North American Open1790
Dec 2022Swissfederation source
#10 in 2022Score 3½/8Opp avg 1833Start 2119
PNWCC FIDE Hybrid - Oct 9—(2)
Oct 2022Teamfederation source
Score 2/2Opp avg 1937Start 2094
PNWCC FIDE Hybrid - Sept 2022 IV2270
Sep 2022Teamfederation source
Best of 2022Score 3/4Opp avg 2077Start 1851
PNWCC FIDE Hybrid - Sept 2022 III2103
Sep 2022Teamfederation source
#3 in 2022Score 2/4Opp avg 2103Start 1851
PNWCC FIDE Hybrid - Sept 2022 II2170
Sep 2022Swissfederation source
#2 in 2022Score 2½/4Opp avg 2075Start 1851
PNWCC FIDE Hybrid - Sept 2022 I2061
Sep 2022Teamfederation source
#4 in 2022Score 2/4Opp avg 2061Start 1851
2022 NAYCC U14 Girls1597
Aug 2022Swissfederation source
#11 in 2022Score 6½/9Opp avg 1456Start 1929
PNWCC FIDE Hybrid Match - July 23-24—(2)
Jul 2022Teamfederation source
Score 1½/2Opp avg 2114Start 1824
27th annual Pacific Coast Open Premier1890
Jul 2022Swissfederation source
#9 in 2022Score 1½/5Opp avg 2039Start 1824
PNWCC July FIDE Hybrid Match - PNWCC vs Bulgaria2059
Jul 2022Teamfederation source
#5 in 2022Score 2/4Opp avg 2059Start 1824
2022 National Open - Under 23001972
Jun 2022Swissfederation source
#7 in 2022Score 3½/6Opp avg 1972Start 1811
2022 U.S. Women's Open—(2)
Jun 2022Swissfederation source
Score 3½/5Opp avg 1626Start 1811
2022 Grand Pacific Open1979
Apr 2022Swissfederation source
#6 in 2022Score 3/6Opp avg 1979Start 1745
2022 Washington State Championship - Premier1952
Feb 2022Round robinfederation source
#8 in 2022Score 5½/8Opp avg 1811Start 1607
2022 Washington President's Cup—(0)
Feb 2022Swissfederation source
Score 2/4Start 1607
31st Annual North American Open - Under 21001711
Dec 2021Swissfederation source
#2 in 2021Score 3½/7Opp avg 1860Start 1583

Live ratings projected from the NOV26 published list · Not affiliated with FIDE