GM

Dorfman, Iossif

FRA FRA·Born 1953·FIDE #604011·1,635 Games

Classical25311,603 Games
Rapid254526 Games
Blitz25126 Games

Statistics

1635

Total

518

Wins

929

Draws

188

Losses

32%57%11%

Play Style

What you need to know before facing them

Elite accuracy: 92.7% average
Plays 2.2% better with black
Very precise: only 0.2 blunders/game
Dominates 1.g3 ♔ (83% in 35 games)

Deep Analysis

Stockfish 18 · Classical games · 78 analyzed

Accuracy by phase
Opening96.5%
Middlegame93.6%
Endgame94.5%

Clutch Factor

Performance under pressure

+4%
Winning (+2 or more)94%
16 Games
Equal position94%
41 Games
Losing (-2 or more)89%
21 Games

Problematic Pieces

Which pieces cause most errors?

♗
22%
26 errors
♖
21%
25 errors
♙
18%
21 errors
♕
16%
19 errors
♞
14%
16 errors
♔
9%
10 errors

Critical Moment

When does the first serious error occur?

Move 29average
1-15
16-25
26-35
36-45
46+
33% of blunders occur between move 1-15. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

5
4
6
4
4
8
3
3
3
3
abcdefgh
Many
Few
Critical squares
e58 err
e66 err
e75 err
a54 err
d64 err
e5/e6 concentrate most errors. Force decisions in those zones.

Recent Games

D
Lagarde, Maxime2600

96. ch-FRA 2023 · 19 Aug 2023

½-½
D
Lagarde, Maxime2600

French Championship · 19 Aug 2023

½-½
L
Lagarde, Maxime2600

96. ch-FRA 2023 · 18 Aug 2023

1-0
D
Delorme, Axel2483

TCh-FRA Top 16 Haute 2023 · 11 Jun 2023

½-½
L
Moussard, Jules2655

TCh-FRA Top 16 Haute 2023 · 8 Jun 2023

1-0
D
Pourquet, Matthieu2181

TCh-FRA Top 16 GpA 2023 · 7 Jun 2023

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black
Sicilian: Kan
53.3%
15 Games·Loses

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6

Strengths

AVOID
White
English: Anglo-Indian
64.3%
14 Games·Wins

1.c4 Nf6 2.Nc3 g6

Sicilian: 2...Nc6
58.3%
12 Games·Wins

1.e4 c5 2.Nf3 Nc6

Black
Sicilian: Najdorf
46.4%
28 Games·Wins

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

Critical Blunders

Tactical errors analyzed with Stockfish

7 errors
▶
#36f6??
Tactics
vs Rodshtein
OTB·2023
▶
#41Rxf4??
Endgame
vs Gharamian
OTB·2022
▶
#33Qa1??
Tactics
vs Prokhorov
OTB·2019
▶
#55Be5+??
Endgame
vs Coutton
OTB·2019
▶
#36Ng3??
Tactics
vs Ivanchuk
OTB·1998
▶
#23f5??
Tactics
vs Ivanchuk
OTB·1998
▶
#18e7e8??
Endgame
vs Tal
OTB
Endgame Statistics

17 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2023
2022
2019
2018
2017
2015
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
815 Games
39%54%7%
1.d4
63%
359
1.c4
68%
194
1.Nf3
67%
139
1.e4
63%
88
1.g3
83%
35
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