O
GM

Olszewski, Michal

POL POL·Born 1989

FIDE OTB · #1121251 · 1,029 Games

Classical2509867 g
Rapid2434106 g
Blitz242356 g

Play against Olszewski's Twin

PRO

Uses their openings, level & style

Statistics

Total

1029

Wins

511

Draws

258

Losses

260
50%25%25%

Play Style

before facing them
Elite accuracy: 92.1% average
Very consistent (87%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 ♔ (71% in 260 games)
Vulnerable to 1.Nf3 ♚ (only 41%)

Deep Analysis

Stockfish 18 · Classical games · 75 analyzed
Accuracy by phase
Opening
96.3%
Middlegame
92.3%
Endgame
94.1%
Clutch Factor
+7%
Winning (+2)
94%
Equal
94%
Losing (−2)
86%
Problematic Pieces
22%
22 err
22%
22 err
19%
19 err
16%
16 err
11%
11 err
9%
9 err
Critical Moment
Move 43 avg
0%
1-15
25%
16-25
12%
26-35
12%
36-45
50%
46+
50% of blunders after move 46 — keep the tension until then.
Error Heatmap
4
4
5
4
Few
Many
e4
5 err
b2
4 err
b4
4 err
f7
4 err
a7
3 err
e4/b2 account for most of the errors. Force decisions in those zones.

Openings

1,029 Games

Weaknesses

— exploit these
aswhite53.8%Losses
Reti vs King's Indian — 1.Nf3 Nf6 2.c4 g6
13 Games · last played 4 years agoPlay this line

No significant weaknesses detected as black

Strengths

— avoid these
aswhite74.3%Wins
King's Indian — 1.d4 Nf6 2.c4 g6
35 Games · last played 4 months ago
aswhite71.4%Wins
French: Classical — 1.e4 e6 2.d4 d5 3.Nc3 Nf6
14 Games · last played 10 months ago
asblack50.0%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d6
78 Games · last played 4 months ago
asblack54.5%Wins
Scotch Game — 1.e4 e5 2.Nf3 Nc6 3.d4
11 Games

Critical Blunders

10 errors
Bxe3??vs PiotrowskiRapid · 2025
Ne5??vs BilochenkoOTB · 2025
Bb1??vs KlimkowskiOTB · 2022
Kb2??vs WaszczukOTB · 2022
Rd8??vs RaczekOTB · 2022
Qf2??vs SieciechowiczOTB · 2022
e5??vs GoleckiOTB · 2022
Nxd5??vs ZochowskiBlitz · 2021
Nxd6??vs HeberlaOTB · 2021
Ra7??vs KarolczukOTB · 2021

Recent Games

D
Vardanyan, Aras(2408)

26th ch-EUR Indiv 2026 · 19 Apr 2026

½-½
W
Tadic, Stefan(2421)

26th ch-EUR Indiv 2026 · 18 Apr 2026

0-1
W
Perossa, Nicolas(2362)

26th ch-EUR Indiv 2026 · 16 Apr 2026

1-0
D
Rybka, Simon(2373)

26th ch-EUR Indiv 2026 · 15 Apr 2026

½-½
L
Bettalli, Francesco(2358)

26th ch-EUR Indiv 2026 · 14 Apr 2026

0-1
W
Goroshkov, Maksym(2364)

26th ch-EUR Indiv 2026 · 13 Apr 2026

0-1

Endgame Statistics

PRO

Repertoire

8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Move arrowsmost-played moves
Stockfish
511 Games
57%22%21%
MoveGamesPerformance%
1.e4Strong
260
71%
1.d4
175
69%
1.Nf3
71
58%
1.c4
5
50%

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