Scouting report: Michal Olszewski (GM, POL)

984 over-the-board games in the Chess Stalker database (833 classical, 99 rapid, 52 blitz): 50% wins, 25% draws, 25% losses. FIDE rating 2509 standard, 2434 rapid, 2423 blitz. 73 games analyzed with Stockfish: 92% accuracy, 0.15 blunders per game.

  • Opening repertoire of Michal Olszewski as White and Black, with results per line — free.
  • Weaknesses and blunder patterns, evaluated with Stockfish — free.
  • Recent over-the-board games and endgame statistics.
  • Twin Bot: a sparring bot that imitates Michal Olszewski's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/1121251 — no account needed.

Chess Stalker

Michal Olszewski

GM

Polandborn 1989FIDE ID 1121251

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2400
2440
2480
2520
2514 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2509
2434
2423
2571peak, Apr 2015
984games
489wins, 50%
249draws, 25%
246losses, 25%

Play style

before facing them
Elite accuracy: 92.2% average
Very consistent (87%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 as ♔ (71% in 247 games)
Vulnerable to 1.Nf3 ♚ (only 43%)

Play against Olszewski's Twin

Their real openings, level & style

Based on 984 games

Openings

984 games

Weaknesses

where they slip as ♔ White
Reti vs King's Indian1.♞f3 ♞f6 2.c4 g613 games, last played 2 weeks ago46.2%losses

Strengths

what holds up for them as ♔ White
King's Indian1.d4 ♞f6 2.c4 g632 games, last played 5 months ago75.0%wins
French: Classical1.e4 e6 2.d4 d5 3.♞c3 ♞f614 games, last played 11 months ago71.4%wins

Deep analysis

Stockfish · Classical · 73 analyzed
Accuracy by phase
Opening
96.3%
Middlegame
92.3%
Endgame
94.1%
Clutch factor
+7%
Winning (+2)
94%
Equal
94%
Losing (−2)
87%
Problematic pieces
23%
22 err
21%
20 err
20%
19 err
16%
15 err
11%
10 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 occur after move 46. Keep tension until then.
Error heatmap · Critical squares
4
4
5
Few
Many
e4
5
b4
4
f7
4
a7
3
b2
3
e4/b4 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#26
♞e5?? vs Bilochenko
Middlegame · Rapid · 2025
#25
♝xe3?? vs Piotrowski
Middlegame · Rapid · 2025
#33
♚b2?? vs Waszczuk
Endgame · OTB · 2022
#69
♝b1?? vs Klimkowski
Endgame · OTB · 2022
#80
♜d8?? vs Raczek
Endgame · OTB · 2022
#69
♛f2?? vs Sieciechowicz
Endgame · OTB · 2022

Recent games

Sushchov, Oleksandr(2339)

TCh-POL 2nd League 2026 · 5 Sept 2026

½–½
Lichorad, Mateusz(2072)

TCh-POL 2nd League 2026 · 2 Sept 2026

½–½
Mickiewicz, Piotr(2286)

TCh-POL 2nd League 2026 · 1 Sept 2026

½–½
Iwanczuk, Krzysztof(2162)

TCh-POL 2nd League 2026 · 31 Aug 2026

1–0
Zareba, Piotr(2197)

TCh-POL 2nd League 2026 · 30 Aug 2026

1–0
Mirski, Michal(2118)

TCh-POL 2nd League 2026 · 29 Aug 2026

1–0

Endgame statistics

Repertoire

PRO
984 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
490 games57%W22%D21%L
Move
1. e4
2475m
62%1721
71%
1. d4
1695m
57%2320
68%
1. ♞f3
691w
41%33%26%
57%
1. c4
59y
2060%20
50%

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