Scouting report: Brandon Jacobson (GM, USA)

1,630 over-the-board games in the Chess Stalker database (1,485 classical, 60 rapid, 126 blitz): 49% wins, 23% draws, 28% losses. FIDE rating 2644 standard, 2502 rapid, 2517 blitz, world #73. 711 games analyzed with Stockfish: 93% accuracy, 0.1 blunders per game.

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

Full report: https://chessstalker.com/fide/30901561 — no account needed.

Brandon Jacobson

GM

United Statesborn 2003FIDE ID 30901561

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2400
2500
2600
2700
Peak2644
2540 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2644
2517
2502
2644peak, Sep 2026
1,630games
800wins, 49%
367draws, 23%
462losses, 28%

Play style

before facing them
Elite accuracy: 93.5% average
Solid conversion: 84%
Very consistent (88%)
Very precise: only 0.1 blunders/game
Dominates 1.c4 as ♔ (75% in 48 games)

Play against Jacobson's Twin

Their real openings, level & style

Based on 1,630 games

Openings

1,630 games

Weaknesses

where they slip as ♔ White
Benoni1.d4 f6 2.c4 c513 games, last played 5 years ago53.8%losses
Pirc Defense1.e4 d6 2.d4 f6only 8 games, last played 5 years ago50.0%losses

Strengths

what holds up for them as ♔ White
Queen's Gambit Declined1.d4 d5 2.c4 e650 games, last played 2 months ago74.0%wins
King's Indian: Main Line1.d4 f6 2.c4 g6 3.c3 g7 4.e4 d6 5.f3 O-O23 games, last played 2 months ago60.9%wins

Deep analysis

Stockfish · Classical · 711 analyzed
Accuracy by phase
Opening
96.7%
Middlegame
93.9%
Endgame
95.0%
Clutch factor
+5%
Winning (+2)
95%
Equal
95%
Losing (−2)
89%
Problematic pieces
26%
111 err
17%
73 err
17%
74 err
16%
71 err
12%
52 err
12%
54 err
Critical moment
Move 40 avg
0%
1-15
24%
16-25
24%
26-35
18%
36-45
33%
46+
33% of blunders occur after move 46. Keep tension until then.
Error heatmap · Critical squares
24
Few
Many
f4
24
e4
15
e2
14
g4
14
g5
13
f4/e4 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#34
b7?? vs Kuzubov
Middlegame · OTB · 2026
#55
c5?? vs Atabayev
Endgame · OTB · 2026
#100
xc6?? vs Muradli
Endgame · OTB · 2026
#19
d7?? vs Ohanyan
Middlegame · OTB · 2026
#55
f4?? vs Atanasov
Endgame · OTB · 2026
#23
d3+?? vs Sai Krishna G V
Middlegame · OTB · 2026

Recent games

Lodici, Lorenzo(2583)

Sofia Cup Blitz 2026 · 30 Aug 2026

0–1
Firouzja, Alireza(2757)

Sofia Cup Blitz 2026 · 30 Aug 2026

0–1
Risteski, Emil(2407)

Sofia Cup Blitz 2026 · 30 Aug 2026

1–0
Bulmaga, Irina(2350)

Sofia Cup Blitz 2026 · 30 Aug 2026

1–0
Iturrizaga Bonelli, Eduardo(2582)

Sofia Cup Blitz 2026 · 30 Aug 2026

0–1
Sjugirov, Sanan(2548)

Sofia Cup Blitz 2026 · 30 Aug 2026

1–0

Endgame statistics

Repertoire

PRO
1,630 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
822 games53%W22%D25%L
Move
1. d4
4062m
53%2225%
64%
1. f3
1832w
56%2321
68%
1. e4
1752w
50%1832%
59%
1. c4
487w
60%29%
75%
1. b4
75y
43%57%
71%
1. a4
31y
67%33%
67%

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