Scouting report: Bobby Cheng (GM, AUS)

726 over-the-board games in the Chess Stalker database (665 classical, 19 rapid, 42 blitz): 48% wins, 29% draws, 23% losses. FIDE rating 2570 standard, 2507 rapid, 2481 blitz. 269 games analyzed with Stockfish: 94% accuracy, 0.04 blunders per game.

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

Full report: https://chessstalker.com/fide/4300033 — no account needed.

Bobby Cheng

GM

Australiaborn 1997FIDE ID 4300033

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2460
2500
2540
2580
2620
Peak2596
2579 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2570
2507
2481
2596peak, Dec 2024
726games
348wins, 48%
213draws, 29%
164losses, 23%

Play style

before facing them
Elite accuracy: 94.1% average
Solid conversion: 89%
Very consistent (90%)
Very precise: only 0.0 blunders/game
Dominates 1.Nf3 as ♔ (78% in 50 games)

Play against Cheng's Twin

Their real openings, level & style

Based on 726 games

Openings

726 games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White
Queen's Indian1.d4 f6 2.c4 e6 3.f3 b611 games, last played 7 months ago81.8%wins
Catalan1.d4 f6 2.c4 e6 3.g327 games, last played 10 months ago59.3%wins

Deep analysis

Stockfish · Classical · 269 analyzed
Accuracy by phase
Opening
97.1%
Middlegame
93.6%
Endgame
95.4%
Clutch factor
+5%
Winning (+2)
95%
Equal
95%
Losing (−2)
90%
Problematic pieces
23%
49 err
19%
40 err
17%
36 err
16%
34 err
14%
29 err
10%
22 err
Critical moment
Move 47 avg
11%
1-15
11%
16-25
22%
26-35
11%
36-45
44%
46+
44% of blunders occur after move 46. Keep tension until then.
Error heatmap · Critical squares
8
8
10
9
Few
Many
g5
10
f3
9
c5
8
d7
8
e4
7
g5/f3 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#58
f3?? vs Suleymanli
Endgame · OTB · 2026
#27
d2?? vs Vedmediuc
Middlegame · OTB · 2026
#32
g6?? vs Mendonca
Endgame · OTB · 2026
#58
h3?? vs Sahidi
Endgame · OTB · 2025
#46
g5?? vs Nielsen
Middlegame · OTB · 2024
#18
xa3?? vs Alonso Rosell
Middlegame · OTB · 2024

Recent games

Girel, Joseph(2492)

Coupe de France 2026 · 28 Jun 2026

½–½
Lagarde, Maxime(2615)

Coupe de France 2026 · 27 Jun 2026

1–0
Karthikeyan, Murali(2661)

TCh-FRA Top 16 Haute 2026 · 14 Jun 2026

0–1
Wirig, Anthony(2404)

TCh-FRA Top 16 Haute 2026 · 13 Jun 2026

½–½
Vachier-Lagrave, Maxime(2721)

TCh-FRA Top 16 Haute 2026 · 12 Jun 2026

0–1
Van Foreest, Jorden(2728)

TCh-FRA Top 16 Haute 2026 · 11 Jun 2026

½–½

Endgame statistics

Repertoire

PRO
726 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
376 games52%W28%D20%L
Move
1. d4
2923m
48%29%23
63%
1. f3
5011m
68%20
78%
1. b3
223y
59%2318
71%
1. c4
97m
56%44%
78%
1. e4
38y
67%33%
83%

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