GM

Kogan, Arthur

ISR ISR·Born 1974·FIDE #2800802·1,737 Games

Classical24771,634 Games
Rapid244991 Games
Blitz244612 Games

Statistics

1737

Total

852

Wins

494

Draws

391

Losses

49%28%23%

Play Style

What you need to know before facing them

Elite accuracy: 93.1% average
Very consistent (90%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 ♔ (68% in 510 games)

Deep Analysis

Stockfish 18 · Classical games · 163 analyzed

Accuracy by phase
Opening96.1%
Middlegame92.7%
Endgame94.6%

Clutch Factor

Performance under pressure

+4%
Winning (+2 or more)93%
59 Games
Equal position95%
67 Games
Losing (-2 or more)89%
37 Games

Problematic Pieces

Which pieces cause most errors?

♙
22%
38 errors
♖
19%
33 errors
♞
17%
30 errors
♕
17%
30 errors
♗
15%
26 errors
♔
10%
17 errors

Critical Moment

When does the first serious error occur?

Move 50average
1-15
16-25
26-35
36-45
46+
50% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

6
6
6
9
6
9
6
8
5
6
abcdefgh
Many
Few
Critical squares
a49 err
e59 err
f48 err
b56 err
d56 err
a4/e5 concentrate most errors. Force decisions in those zones.

Recent Games

W
Aroesti, Roee2201

Israel Team Championship ... · 20 Jan 2026

1-0
W
Aroesti, Roee2201

TCh-ISR GpA 2026 · 17 Jan 2026

1-0
L
Bortnik,R2158

TCh-ISR GpA 2026 · 16 Jan 2026

1-0
L
Bortnik, Rostislav2158

Round 3: Bortnik, Rostisl... · 16 Jan 2026

1-0
D
Barayev, Anton2198

Israel Team Championship ... · 15 Jan 2026

½-½
D
Barayev, Anton2198

TCh-ISR GpA 2026 · 10 Jan 2026

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!
White
Sicilian: Najdorf
42.9%
14 Games·Loses

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
Caro-Kann: Advance
69.2%
26 Games·Wins

1.e4 c6 2.d4 d5 3.e5

Sicilian: e6 Systems
63.4%
41 Games·Wins

1.e4 c5 2.Nf3 e6

Black
Sicilian: e6 Systems
56.1%
66 Games·Wins

1.e4 c5 2.Nf3 e6

Nimzo-Indian: Classical
50.0%
16 Games·Wins

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#37h4??
Tactics
vs Meessen
OTB·2025
▶
#30f5??
Tactics
vs Gan-Erdene
OTB·2025
▶
#23Nxd4??
Tactics
vs Tan
OTB·2025
▶
#32Qe4??
Tactics
vs Sapenov
OTB·2025
▶
#26Kg7??
Tactics
vs Gurevich
OTB·2025
▶
#17Ne2??
Tactics
vs Svane
OTB·2025
▶
#24Rab8??
Tactics
vs Fromm
OTB·2025
▶
#20c4??
Tactics
vs Williams
Rapid·2025
▶
#55Kxg3??
Endgame
vs Rodshtein
Rapid·2025
▶
#31Nf4??
Tactics
vs Lopez Martinez
OTB·2025
Endgame Statistics

20 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
852 Games
54%26%20%
1.e4
68%
510
1.d4
68%
218
1.Nf3
58%
85
1.c4
68%
34
1.b3
100%
3
1.g3
0%
1
1.f4
100%
1
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