Yoo, Christopher Woojin

USA USA·Born 2006·FIDE #30909694

2605Classical

2501Rapid

2588Blitz

Statistics

Total3,657

Wins2,088

Draws720

Losses848

57%20%23%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.7% average

Solid conversion: 89%

Very consistent (91%)

Very precise: only 0.1 blunders/game

Play against Yoo's Twin

Uses their openings, level & style

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

Ready to play

3,657 games analyzed

Deep Analysis

Stockfish 18 · Classical · 883 analyzedStockfish 18 · Classical games · 883 analyzed

Accuracy by phase

Opening

96.4%

Middlegame

92.9%

Endgame

95.3%

Clutch Factor

+4%

Winning (+2)Winning (+2)

94%199g

EqualEqual position

95%169g

Losing (−2)Losing (−2)

91%132g

Accuracy under pressure

Problematic Pieces — which cause most errors?

21%

109 err

17%

90 err

17%

89 err

16%

85 err

15%

75 err

13%

68 err

Critical Moment

Move 49 avg

1-15

11%

16-25

14%

26-35

20%

36-45

54%

46+

54% of blunders occur after move 46 — keep tension until then.of blunders occur after move 46 — keep tension until then.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

150

Hotspot zone

f5 / g5

Critical squares

19 err

17 err

15 err

f5/g5 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Analyzing opening repertoire...

Critical Blunders

10 errors · Stockfish

#59Kxe5??Endgamevs Martinez AlcantaraOTB · 2026

#26Qc3??Tacticsvs Arpith S BijoyOTB · 2026

#69Re7??Endgamevs AndreikinOTB · 2026

#48e4??Endgamevs ZierkOTB · 2026

#24Ned3??Tacticsvs Sharnarthi VireshOTB · 2026

#66Kb3??Endgamevs MatlakovOTB · 2026

#39Bb5??Endgamevs ViditOTB · 2026

#92Rd8??Endgamevs VershininOTB · 2026

#43h5??Endgamevs WuOTB · 2026

#62Kd4??Endgamevs KollarsOTB · 2026

Recent Games

3,657 games

Draw

Oparin, Grigoriy(2643)

13th Washington Int 2026 · 29 Jul 2026

½-½

Win

Wang,Isaac(2349)

13th Washington Int 2026 · 28 Jul 2026

1-0

Win

George, Kevin(2347)

13th Washington Int 2026 · 28 Jul 2026

1-0

Draw

Escalante Ramirez, Brian(2450)

13th Washington Int 2026 · 27 Jul 2026

½-½

Win

Chirilov, James A(2254)

13th Washington Int 2026 · 27 Jul 2026

1-0

Draw

Li, Rachael(2314)

13th Washington Int 2026 · 26 Jul 2026

½-½

Endgame Statistics

PRO633 endgames (64.8%) · avoid Opposite-Color Bishops (12%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

64.8%

633 / 977

B vs N Pref

52.4%·47.8%

prefers the bishop

PiecesTypeWin %games

Rook + Equal Minors

77.9%353

R+Bishop vs R+Knight

79.4%306

Rook vs Minor (Exchange)

73.7%281

Rook vs Rook

72.6%252

Rook vs Two Minors

78.1%160

Pure Pawn

60.6%109

Rook + Equal Minors77.9%353

R+Bishop vs R+Knight79.4%306

Rook vs Minor (Exchange)73.7%281

Rook vs Rook72.6%252

Rook vs Two Minors78.1%160

Pure Pawn60.6%109

Weak in Opposite-Color Bishops: only 12% win rate (26 games) — Force thisShow all 14 types

Unlock Endgame Statistics

14 endgame categories — discover where they collapse under pressure

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