Scouting report: Arthur Guo (GM, USA)

493 over-the-board games in the Chess Stalker database (442 classical, 51 blitz): 38% wins, 29% draws, 33% losses. FIDE rating 2525 standard, 2488 blitz. 226 games analyzed with Stockfish: 94% accuracy, 0.04 blunders per game.

  • Opening repertoire of Arthur Guo 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 Arthur Guo's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/30903114 — no account needed.

Chess Stalker

Arthur Guo

GM

United Statesborn 2006FIDE ID 30903114

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2460
2500
2540
Peak2529
2529 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2525
2488
2529peak, Sep 2023
493games
187wins, 38%
141draws, 29%
165losses, 33%

Play style

before facing them
Elite accuracy: 93.6% average
Very consistent (91%)
Very precise: only 0.0 blunders/game
Dominates 1.d4 as ♔ (77% in 15 games)
Vulnerable to 1.Nf3 ♚ (only 33%)

Play against Guo's Twin

Their real openings, level & style

Based on 493 games

Openings

493 games

Weaknesses

where they slip as ♔ White
Ruy Lopez: Closed1.e4 e5 2.♞f3 ♞c6 3.♝b5 a6 4.♝a4 ♞f6 5.O-O ♝e711 games, last played 3 years ago45.5%losses

Strengths

what holds up for them as ♔ White
French: Tarrasch1.e4 e6 2.d4 d5 3.♞d219 games, last played 5 years ago63.2%wins
Sicilian: d6 Systems1.e4 c5 2.♞f3 d627 games, last played 3 years ago55.6%wins

Deep analysis

Stockfish · Classical · 226 analyzed
Accuracy by phase
Opening
97.0%
Middlegame
93.8%
Endgame
95.6%
Clutch factor
+4%
Winning (+2)
94%
Equal
95%
Losing (−2)
91%
Problematic pieces
21%
39 err
21%
40 err
16%
29 err
16%
30 err
13%
25 err
13%
24 err
Critical moment
Move 36 avg
0%
1-15
11%
16-25
56%
26-35
11%
36-45
22%
46+
56% of blunders occur after move 26-35. Keep tension until then.
Error heatmap · Critical squares
7
8
7
Few
Many
d4
8
d7
7
h4
7
c5
6
d2
6
d4/d7 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#72
♚d2?? vs Zhang
Endgame · OTB · 2025
#90
♚xg6?? vs Daggupati
Endgame · OTB · 2024
#33
♜g2?? vs Yoo
Middlegame · OTB · 2024
#34
c7?? vs Stearman
Endgame · OTB · 2023
#37
♝xe5?? vs Lu
Middlegame · OTB · 2023
#44
♛b3?? vs Garner
Endgame · OTB · 2023

Recent games

Antipov, Mikhail Al.(2577)

2025 Pan-Am Collegiate Ch... · 5 Jan 2025

1–0
Zhang,Eric(2261)

Pan-Am Intercollegiate · 4 Jan 2025

½–½
Li, Yunshan(2249)

2025 Pan-Am Collegiate Ch... · 4 Jan 2025

1–0
Brodsky, David(2519)

2025 Pan-Am Collegiate Ch... · 3 Jan 2025

½–½
Ladan, Nicholas(2211)

USA Ch Junior 2024 · 25 Jul 2024

0–1
Daggupati, Balaji(2480)

USA Ch Junior 2024 · 24 Jul 2024

½–½

Endgame statistics

Repertoire

PRO
493 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
246 games43%W28%D29%L
Move
1. e4
2232y
43%29%28%
57%
1. d4
157y
67%2013
77%
1. b3
76y
29%29%42%
43%
1. ♞f3
18y
100%
0%

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