Xu, Jun

CHN CHN·Born 1962·FIDE #8600031·990 Games

FIDE OTB · #8600031 · 990 Games

Classical2439962 g Games

Rapid251128 g Games

Blitz—0 g Games

Play against Xu's Twin

PRO

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

Ready to play

990 games analyzed

Statistics

Total

990

Wins

303

Draws

457

Losses

230

31%46%23%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.4% average

Low resilience (32%): Doesn't save lost positions

Very consistent (89%)

Very precise: only 0.1 blunders/game

Dominates 1.c4 ♔ (63% in 64 games)

Vulnerable to 1.Nf3 ♚ (only 44%)

Deep Analysis

Stockfish 18 · Classical games · 123 analyzed

Accuracy by phase

Opening

96.6%

Middlegame

94.0%

Endgame

94.9%

Clutch Factor

+2%

Winning (+2)Winning (+2)

93%17g

EqualEqual position

95%64g

Losing (−2)Losing (−2)

91%42g

Accuracy under pressure

Problematic Pieces — which cause most errors?

25%

26 err

18%

19 err

17%

18 err

17%

18 err

15%

16 err

9 err

Critical Moment

Move 43 avg

1-15

16-25

26-35

50%

36-45

33%

46+

50% of blunders after move 36-45 — keep the tension until then.of blunders occur in moves 36-45. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

e7 / f5

Critical squares

5 err

4 err

e7/f5 account for most of the errors. Force decisions in those zones.

Openings

990 GamesBased on 990 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

asblack60.0%Losses

Queen's Gambit Accepted — 1.d4 d5 2.c4 dxc4

10 Games · last played 9 years agoPlay this line

Strengths

— avoid these— avoid these lines

No consistent strengths detected as white

No consistent strengths detected as black

Critical Blunders

10 errors · Stockfish

#38Rxb6??Tacticsvs MengOTB · 2025

#42Rh2??Endgamevs MengOTB · 2025

#41Qe6??Endgamevs DaiOTB · 2025

#49Ke4??Endgamevs HuangOTB · 2024

#74Rc2??Endgamevs XuOTB · 2023

#49Bd7??Endgamevs ZhaoOTB · 2023

#35Rg4??Tacticsvs LiOTB · 2023

#98Rf5??Endgamevs ZhaoClassical · 2022

#71Nh8??Endgamevs LinRapid · 2022

#65a3??Endgamevs BaiRapid · 2022

Recent Games

990 Games

Draw

Meng, Yihan(2461)

\"华发杯“2025年中国国际象棋甲级联赛总决赛（... · 18 Oct 2025

½-½

Loss

Meng, Yihan(2461)

2025 Chinese Chess League... · 18 Oct 2025

0-1

Draw

Meng, Yihan(2461)

2025 Chinese Chess League... · 18 Oct 2025

½-½

Loss

Meng, Yihan(2461)

\"华发杯“2025年中国国际象棋甲级联赛总决赛（... · 18 Oct 2025

0-1

Draw

Meng, Yihan(2461)

\"华发杯“2025年中国国际象棋甲级联赛总决赛（... · 18 Oct 2025

½-½

Draw

Meng, Yihan(2461)

\"华发杯“2025年中国国际象棋甲级联赛总决赛（... · 16 Oct 2025

½-½

Endgame Statistics

PRO81 endgames (61.4%)

Strongest

Weakest

Opposite Bishops + Major Pieces

Reaches Endgame

61.4%

81 / 132

B vs N Pref

40% · 0%

5 / 1

PiecesTypeWin %Games

Rook + Minor

23.3%43

Rook+Bishop vs Rook+Knight

26.1%23

Rook vs Rook

23.8%21

Queen vs Pieces

6.7%15

Rook + Equal Minors

14.3%14

Double Rook

18.2%11

Rook + Minor23.3%43

Rook+Bishop vs Rook+Knight26.1%23

Rook vs Rook23.8%21

Queen vs Pieces6.7%15

Rook + Equal Minors14.3%14

Double Rook18.2%11

Weakest: Opposite Bishops + Major Pieces 0%Show all 22 types

Unlock Endgame Statistics

22 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

489 Games

38%46%16%

Move	Games	%
1.d4	321	62%
1.Nf3	91	59%
1.c4	64	63%
1.e4	13	58%

MoveGamesPerformance%

1.d4

321

62%

1.Nf3

59%

1.c4

63%

1.e4

58%