IM

Bronstein, Or

ISR ISR·Born 2001·FIDE #2815770·828 Games

Classical2481768 Games
Rapid239244 Games
Blitz241716 Games

Statistics

828

Total

391

Wins

223

Draws

214

Losses

47%27%26%

Play Style

What you need to know before facing them

Elite accuracy: 93.0% average
Solid conversion: 87%
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.d4 ♔ (65% in 296 games)
Vulnerable to 1.Nf3 ♚ (only 46%)

Deep Analysis

Stockfish 18 · Classical games · 403 analyzed

Accuracy by phase
Opening97.2%
Middlegame93.4%
Endgame94.7%

Clutch Factor

Performance under pressure

+5%
Winning (+2 or more)94%
177 Games
Equal position94%
133 Games
Losing (-2 or more)89%
93 Games

Problematic Pieces

Which pieces cause most errors?

♖
23%
89 errors
♕
20%
77 errors
♙
16%
62 errors
♔
15%
59 errors
♞
14%
54 errors
♗
13%
52 errors

Critical Moment

When does the first serious error occur?

Move 41average
1-15
16-25
26-35
36-45
46+
33% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

12
9
13
13
10
14
14
9
9
12
abcdefgh
Many
Few
Critical squares
f414 err
g514 err
d513 err
e513 err
d312 err
f4/g5 concentrate most errors. Force decisions in those zones.

Recent Games

W
Qalichava, Akaki2322

26th ch-EUR Indiv 2026 · 13 Apr 2026

1-0
D
Zakin, Ilay2330

26th ch-EUR Indiv 2026 · 12 Apr 2026

½-½
W
Durucay, Uygar2286

26th ch-EUR Indiv 2026 · 10 Apr 2026

1-0
L
Kejna, Piotr2311

26th ch-EUR Indiv 2026 · 9 Apr 2026

1-0
D
Dyachuk, Artem2323

26th ch-EUR Indiv 2026 · 8 Apr 2026

½-½
W
Balinski, Damian2154

26th ch-EUR Indiv 2026 · 7 Apr 2026

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!
White
Nimzo-Indian: Rubinstein
45.0%
20 Games·Loses

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3

Sicilian: d6 Systems
43.8%
16 Games·Loses

1.e4 c5 2.Nf3 d6

Black
Grünfeld
54.5%
11 Games·Loses

1.d4 Nf6 2.c4 g6 3.Nc3 d5

Strengths

AVOID
White
Queen's Gambit Declined
63.6%
44 Games·Wins

1.d4 d5 2.c4 e6

Caro-Kann: Advance
60.0%
10 Games·Wins

1.e4 c6 2.d4 d5 3.e5

Black
Catalan
70.0%
10 Games·Wins

1.d4 Nf6 2.c4 e6 3.g3

Sicilian: Closed
66.7%
12 Games·Wins

1.e4 c5 2.Nc3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#49g6??
Endgame
vs Orian
OTB·2026
▶
#48Kh3??
Endgame
vs Riehle
OTB·2026
▶
#55Qd5+??
Endgame
vs Otsuka
OTB·2025
▶
#48Qh4??
Endgame
vs Nielsen
OTB·2025
▶
#50Qe3+??
Endgame
vs Polzin
OTB·2025
▶
#36Rb1??
Tactics
vs Aradhya
OTB·2025
▶
#23Be4??
Tactics
vs George Samir
OTB·2025
▶
#26Qe7??
Tactics
vs Sanket Chakravarty
OTB·2025
▶
#34f4??
Tactics
vs Novozhilov
OTB·2025
▶
#39Ne4??
Tactics
vs Gasparyan
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
422 Games
51%24%25%
1.d4
65%
296
1.e4
55%
66
1.Nf3
62%
33
1.c4
56%
27
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