Scouting report: Bartlomiej Macieja (GM, POL)

2,325 over-the-board games in the Chess Stalker database (2,197 classical, 68 rapid, 60 blitz): 41% wins, 42% draws, 17% losses. FIDE rating 2512 standard, 2454 rapid, 2404 blitz. 169 games analyzed with Stockfish: 93% accuracy, 0.08 blunders per game.

  • Opening repertoire of Bartlomiej Macieja 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 Bartlomiej Macieja's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/1104306 — no account needed.

Bartlomiej Macieja

GM

Polandborn 1977FIDE ID 1104306

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2380
2420
2460
2500
2540
2520 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2512
2454
2404
2653peak, Jan 2004
2,325games
947wins, 41%
973draws, 42%
405losses, 17%

Play style

before facing them
Elite accuracy: 93.3% average
Solid conversion: 85%
Very consistent (87%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 as ♔ (69% in 802 games)
Vulnerable to 1.g3 ♚ (only 46%)

Play against Macieja's Twin

Their real openings, level & style

Based on 2,325 games

Openings

2,325 games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White
Alekhine Defense1.e4 ♞f6 2.e5 ♞d513 games, last played 13 years ago84.6%wins
Scandinavian Defense1.e4 d5 2.exd5 ♛xd510 games, last played 13 years ago80.0%wins

Deep analysis

Stockfish · Classical · 169 analyzed
Accuracy by phase
Opening
96.5%
Middlegame
93.7%
Endgame
95.3%
Clutch factor
+4%
Winning (+2)
94%
Equal
95%
Losing (−2)
90%
Problematic pieces
27%
39 err
18%
27 err
17%
25 err
14%
21 err
12%
18 err
11%
16 err
Critical moment
Move 33 avg
20%
1-15
0%
16-25
30%
26-35
30%
36-45
20%
46+
30% of blunders occur after move 26-35. Keep tension until then.
Error heatmap · Critical squares
7
6
6
6
Few
Many
e5
7
d4
6
f1
6
g1
6
c6
5
e5/d4 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#29
♝f1?? vs Hernandez Jimenez
Middlegame · OTB · 2025
#12
d6?? vs Golis
Opening · OTB · 2025
#46
♚e1?? vs Grochol
Middlegame · OTB · 2025
#22
♝b4?? vs Druska
Middlegame · OTB · 2023
#71
♚f2?? vs Hardaway
Endgame · OTB · 2023
#33
♛xc3?? vs Kanli
Endgame · OTB · 2022

Recent games

Sliwicka, Alicja(2315)

Jana Maciei Memorial 2026 · 26 Jun 2026

1–0
Gahan M G(2231)

Jana Maciei Memorial 2026 · 26 Jun 2026

1–0
Fistek, Dariusz(2152)

Jana Maciei Memorial 2026 · 26 Jun 2026

1–0
Pechac, Jergus(2539)

Jana Maciei Memorial 2026 · 26 Jun 2026

0–1
Sprzeczka, Emilia(2105)

Jana Maciei Memorial 2026 · 26 Jun 2026

1–0
Kowalski, Witold(2056)

Jana Maciei Memorial 2026 · 26 Jun 2026

1–0

Endgame statistics

Repertoire

PRO
2,325 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
1,158 games52%W33%D15%L
Move
1. e4
80211m
52%34%14
69%
1. ♞f3
1473m
56%27%17
69%
1. d4
1321y
47%36%17
65%
1. c4
773m
47%32%21
63%

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