Yi Wei
TitleGrandmasterRankWorld No. 9FederationChinaBorn1999FIDE ID8603405
Classical2758▲ 6
Rapid2704
Blitz2709
Games2,091
W · D · LWon · Drawn · Lost41 / 42 / 17
Peak2763Oct 2024
Rating history
2660
2700
2740
2780
Peak2763
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2758Rapid2704Blitz2709no games played
Accuracy by phase
97.0%Opening94.0%Middlegame95.7%Endgame
Clutch factor
Insufficient dataPlay style
Elite accuracy: 94.7% average
Very consistent (91%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 as 
(67% in 691 games)
(67% in 691 games)Recent games
Degraeve, Remy(2453)
41st ECC Open 2026 · 23 Oct 2026
Karthikeyan, Murali(2647)
41st ECC Open 2026 · 22 Oct 2026
Nihal Sarin(2709)
41st ECC Open 2026 · 21 Oct 2026
Aizenberg, Benny(2470)
41st ECC Open 2026 · 20 Oct 2026
Ermitsch, Magnus(2438)
41st ECC Open 2026 · 19 Oct 2026
Play against Wei's Twin
Their real openings, level & style
Practice against a bot that uses their real openings and playing style
Based on 2,091 games
Openings
1,060 games as White · scores 66.8%Weaknesses
where they slip as ♔ WhiteNo significant weaknesses detected as white
Strengths
what holds up for them as ♔ WhiteKing's Indian1.d4 ♞f6 2.c4 g613 games, last played 10 months ago69.2%wins
Caro-Kann: Advance1.e4 c6 2.d4 d5 3.e514 games, last played 11 months ago64.3%wins
By family
open a family to see its linesPROTime controls · Years · Events
2,091 games in scope
LineECOGamesLast playedWins · draws · lossesScorevs 66.8%
B23–B502042w
50%33%17
67.2%—A00–A041517w
54%26%20%
66.6%—C20–C461386w
45%46%9
68.1%—C60–C701116w
42%46%12
65.3%—C50–C55802w
39%48%13
62.5%−4.3 ptsB10–B156010m
52%37%11
70.0%+3.2 ptsC00595w
42%53%5
68.6%—D31–E05383m
47%29%24%
61.8%−5.0 ptsMistakes
Problematic pieces
Insufficient data
Critical moment
Insufficient data
Error heatmap · Critical squaresError heatmap
Insufficient data
Critical blunders
Tactical errors analyzed with StockfishCouldn't load this.
Endgame statistics
579 endgames (59.1%) · force Opposite-Color Bishops (2%)
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Repertoire
PROTime controls · Years · Events
2,091 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Explore the repertoireevery move played, ranked by frequency
1,060 games48%W37%D15%L
1,060games in this linewon 48%, drew 37%, lost 15%
Move
1. e4
6912w46%41%13
67%1. d4
1821w49%34%17
66%1. ♞f3
997w51%33%16
67%1. b3
484m60%1030%
66%1. c4
361y53%28%19%
67%1. g3
31y33%33%34%
50%1. ♞c3
12y100%00
100%