Scouting report: Christopher Woojin Yoo (GM, USA)

3,642 over-the-board games in the Chess Stalker database (3,440 classical, 51 rapid, 151 blitz): 58% wins, 19% draws, 23% losses. FIDE rating 2600 standard, 2501 rapid, 2592 blitz. 883 games analyzed with Stockfish: 94% accuracy, 0.15 blunders per game.

  • Opening repertoire of Christopher Woojin Yoo as White and Black, with results per line — free.
  • Weaknesses and blunder patterns, evaluated with Stockfish — free.
  • Recent over-the-board games and endgame statistics.
  • Twin Bot: a sparring bot that imitates Christopher Woojin Yoo's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/30909694 — no account needed.

Christopher Woojin Yoo

GM

United Statesborn 2006FIDE ID 30909694

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2480
2520
2560
2600
2640
Peak2616
2606 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2600
2592
2501
2616peak, Aug 2024
3,642games
2,114wins, 58%
692draws, 19%
836losses, 23%

Play style

before facing them
Elite accuracy: 93.7% average
Solid conversion: 88%
Very consistent (91%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 as ♔ (79% in 231 games)

Play against Yoo's Twin

Their real openings, level & style

Based on 3,642 games

Openings

3,642 games

Weaknesses

where they slip as ♔ White
Benoni1.d4 ♞f6 2.c4 c5only 8 games, last played 3 weeks ago50.0%losses
Caro-Kann: Main Line1.e4 c6 2.d4 d5 3.♞c3 dxe413 games, last played last year46.2%losses

Strengths

what holds up for them as ♔ White
Nimzo-Indian: Rubinstein1.d4 ♞f6 2.c4 e6 3.♞c3 ♝b4 4.e318 games, last played last month83.3%wins
Sicilian: d6 Systems1.e4 c5 2.♞f3 d6177 games, last played last week61.6%wins

Deep analysis

Stockfish · Classical · 883 analyzed
Accuracy by phase
Opening
96.4%
Middlegame
92.9%
Endgame
95.3%
Clutch factor
+5%
Winning (+2)
95%
Equal
95%
Losing (−2)
90%
Problematic pieces
22%
118 err
18%
99 err
17%
90 err
17%
94 err
15%
81 err
11%
62 err
Critical moment
Move 45 avg
0%
1-15
20%
16-25
22%
26-35
15%
36-45
44%
46+
44% of blunders occur after move 46. Keep tension until then.
Error heatmap · Critical squares
21
17
Few
Many
f5
21
g4
17
e5
16
e6
16
f4
16
f5/g4 concentrate most errors. Force decisions in those zones.

Critical blunders

some recent costly mistakes
Andreikin, Dmitry(2710)

Move 69 · Endgame · OTB · 2026

−3.8e7??
Arpith S Bijoy(2308)

Move 26 · Middlegame · OTB · 2026

−4.2c3??
Martinez Alcantara, Jose Eduardo(2650)

Move 59 · Endgame · OTB · 2026

−5.6xe5??
Zierk, Steven(2489)

Move 48 · Endgame · OTB · 2026

−2.9e4??
Vershinin, Igor(2325)

Move 92 · Endgame · OTB · 2026

−15.0d8??
Vidit, Santosh Gujrathi(2708)

Move 39 · Endgame · OTB · 2026

−5.7b5??
Matlakov, Maxim(2599)

Move 66 · Endgame · OTB · 2026

−4.6b3??
Sharnarthi Viresh(2361)

Move 24 · Middlegame · OTB · 2026

−3.0ed3??
Perea Fruet, Lorenzo(2392)

Move 67 · Endgame · OTB · 2026

−15.0h1??
Kollars, Dmitrij(2634)

Move 62 · Endgame · OTB · 2026

−4.8d4??

Recent games

Budisavljevic, Luka(2493)

3rd 3-0 Thursday · 17 Sept 2026

0–1
Santiago Vilca, Christian Amilca(2274)

3rd 3-0 Thursday · 17 Sept 2026

0–1
Steinberg, Nitzan(2560)

1st 3-0 Thursday · 17 Sept 2026

1–0
Cumpe, Lucas(2376)

3rd 3-0 Thursday · 17 Sept 2026

0–1
Lin, Bryan Enming(2500)

3rd 3-0 Thursday · 17 Sept 2026

0–1
Luczak, Filip(2358)

3rd 3-0 Thursday · 17 Sept 2026

1–0

Endgame statistics

Repertoire

PRO
3,642 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
1,841 games63%W18%D19%L
Move
1. e4
11161w
59%1922
69%
1. d4
4143w
64%1818
73%
1. ♞f3
2312w
71%1613
79%
1. c4
504w
86%
88%
1. g3
132w
85%15
85%
1. b3
82w
75%25%
75%
1. d3
15y
100%
100%
1. e3
12y
100%
0%
1. b4
14y
100%
100%
1. a4
14y
100%
100%
1. f4
14y
100%
50%
1. a3
14y
100%
0%
1. ♞a3
13y
100%
100%
1. ♞c3
13y
100%
100%
1. h4
12y
100%
100%

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