GM

Jacobson, Brandon

USA USA·Born 2003·FIDE #30901561·1,851 Games

Classical26041,701 Games
Rapid249362 Games
Blitz2517130 Games

Statistics

1851

Total

898

Wins

430

Draws

516

Losses

49%23%28%

Play Style

What you need to know before facing them

Elite accuracy: 93.3% average
Solid conversion: 81%
Very consistent (88%)
Very precise: only 0.1 blunders/game
Dominates 1.c4 ♔ (76% in 67 games)

Deep Analysis

Stockfish 18 · Classical games · 672 analyzed

Accuracy by phase
Opening96.7%
Middlegame93.9%
Endgame95.1%

Clutch Factor

Performance under pressure

+6%
Winning (+2 or more)95%
238 Games
Equal position95%
166 Games
Losing (-2 or more)89%
96 Games

Problematic Pieces

Which pieces cause most errors?

♖
26%
107 errors
♙
18%
75 errors
♕
18%
75 errors
♞
15%
62 errors
♗
13%
56 errors
♔
11%
44 errors

Critical Moment

When does the first serious error occur?

Move 41average
1-15
16-25
26-35
36-45
46+
39% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

10
10
12
14
14
9
10
17
26
11
abcdefgh
Many
Few
Critical squares
f426 err
e417 err
f514 err
g514 err
e512 err
f4/e4 concentrate most errors. Force decisions in those zones.

Recent Games

D
Sarana, Alexey2664

35th Chicago Open 2026 · 25 May 2026

½-½
D
Liang, Awonder2718

35th Chicago Open 2026 · 25 May 2026

½-½
D
Cordova, Emilio2491

35th Chicago Open 2026 · 24 May 2026

½-½
W
Tugstumur, Yesuntumur2410

35th Chicago Open 2026 · 24 May 2026

1-0
L
Luger, Sam2201

35th Chicago Open 2026 · 23 May 2026

1-0
W
Posthuma, Joshua2378

35th Chicago Open 2026 · 23 May 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White
Sicilian: d6 Systems
50.0%
34 Games·Loses

1.e4 c5 2.Nf3 d6

Black
Sicilian: e6 Systems
54.5%
11 Games·Loses

1.e4 c5 2.Nf3 e6

Strengths

AVOID
White
Queen's Gambit Declined
72.7%
66 Games·Wins

1.d4 d5 2.c4 e6

King's Indian: Main Line
66.7%
27 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O

Black
Caro-Kann
68.8%
16 Games·Wins

1.e4 c6 2.d4 d5

Ruy Lopez: Morphy
52.6%
57 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#20Qc3??
Tactics
vs Moura
OTB·2026
▶
#24Rh7??
Tactics
vs Sydoryka
OTB·2025
▶
#35Qe7??
Tactics
vs Manafov
Blitz·2025
▶
#32Qxf3??
Tactics
vs Tissir
Blitz·2025
▶
#18Be7??
Tactics
vs Dixit
Blitz·2025
▶
#42Qa2??
Endgame
vs Xue
OTB·2025
▶
#49Nxa3??
Endgame
vs Zhalmakhanov
OTB·2025
▶
#25Kxg2??
Tactics
vs Tsaruk
OTB·2025
▶
#48g5??
Endgame
vs Samant Aditya S
OTB·2025
▶
#39Qf7??
Tactics
vs Baenziger
OTB·2025
Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2026
2025
2024
2023
2022
2021
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
938 Games
53%23%24%
1.d4
65%
476
1.Nf3
68%
201
1.e4
57%
183
1.c4
76%
67
1.b4
71%
7
1.a4
50%
4
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