GM

Olszewski, Michal

POL POL·Born 1989·FIDE #1121251·1,024 Games

Classical2516862 Games
Rapid2434106 Games
Blitz242256 Games

Statistics

1024

Total

509

Wins

256

Draws

259

Losses

50%25%25%

Play Style

What you need to know before facing them

Elite accuracy: 92.1% average
Very consistent (87%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 ♔ (71% in 259 games)
Vulnerable to 1.Nf3 ♚ (only 41%)

Deep Analysis

Stockfish 18 · Classical games · 75 analyzed

Accuracy by phase
Opening96.3%
Middlegame92.3%
Endgame94.1%

Clutch Factor

Performance under pressure

+7%
Winning (+2 or more)94%
35 Games
Equal position94%
22 Games
Losing (-2 or more)86%
18 Games

Problematic Pieces

Which pieces cause most errors?

♙
22%
22 errors
♖
22%
22 errors
♕
19%
19 errors
♞
16%
16 errors
♗
11%
11 errors
♔
9%
9 errors

Critical Moment

When does the first serious error occur?

Move 43average
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?

3
4
3
3
4
3
5
4
3
3
abcdefgh
Many
Few
Critical squares
e45 err
b24 err
b44 err
f74 err
a73 err
e4/b2 concentrate most errors. Force decisions in those zones.

Recent Games

W
Goroshkov, Maksym2364

26th ch-EUR Indiv 2026 · 13 Apr 2026

0-1
L
Injac, Teodora2410

26th ch-EUR Indiv 2026 · 12 Apr 2026

0-1
D
Lyakh, Vasiliy2314

26th ch-EUR Indiv 2026 · 10 Apr 2026

½-½
D
Pasti, Aron2388

26th ch-EUR Indiv 2026 · 9 Apr 2026

½-½
W
Mkrtchyan, Mariam2368

26th ch-EUR Indiv 2026 · 8 Apr 2026

0-1
W
Lecki, Leonard2189

26th ch-EUR Indiv 2026 · 7 Apr 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White
Reti vs King's Indian
53.8%
13 Games·Loses

1.Nf3 Nf6 2.c4 g6

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
King's Indian
74.3%
35 Games·Wins

1.d4 Nf6 2.c4 g6

French: Classical
71.4%
14 Games·Wins

1.e4 e6 2.d4 d5 3.Nc3 Nf6

Black
Sicilian: d6 Systems
50.0%
78 Games·Wins

1.e4 c5 2.Nf3 d6

Scotch Game
54.5%
11 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.d4

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#25Bxe3??
Tactics
vs Piotrowski
Rapid·2025
▶
#26Ne5??
Tactics
vs Bilochenko
OTB·2025
▶
#69Bb1??
Endgame
vs Klimkowski
OTB·2022
▶
#33Kb2??
Tactics
vs Waszczuk
OTB·2022
▶
#80Rd8??
Endgame
vs Raczek
OTB·2022
▶
#69Qf2??
Endgame
vs Sieciechowicz
OTB·2022
▶
#19e5??
Tactics
vs Golecki
OTB·2022
▶
#30Nxd5??
Tactics
vs Zochowski
Blitz·2021
▶
#21Nxd6??
Tactics
vs Heberla
OTB·2021
▶
#30Ra7??
Tactics
vs Karolczuk
OTB·2021
Endgame Statistics

18 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2026
2025
2022
2021
2020
2019
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
508 Games
57%21%22%
1.e4
71%
259
1.d4
68%
174
1.Nf3
59%
70
1.c4
50%
5
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