GM

Macieja, Bartlomiej

POL POL·Born 1977·FIDE #1104306·2,385 Games

Classical25122,256 Games
Rapid245469 Games
Blitz240160 Games

Statistics

2385

Total

972

Wins

998

Draws

415

Losses

41%42%17%

Play Style

What you need to know before facing them

Elite accuracy: 93.3% average
Solid conversion: 85%
Very consistent (87%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 ♔ (71% in 158 games)
Vulnerable to 1.g3 ♚ (only 46%)

Deep Analysis

Stockfish 18 · Classical games · 168 analyzed

Accuracy by phase
Opening96.5%
Middlegame93.7%
Endgame95.3%

Clutch Factor

Performance under pressure

+4%
Winning (+2 or more)94%
77 Games
Equal position95%
57 Games
Losing (-2 or more)90%
34 Games

Problematic Pieces

Which pieces cause most errors?

♖
25%
36 errors
♗
19%
27 errors
♙
17%
25 errors
♕
15%
21 errors
♔
13%
18 errors
♞
11%
16 errors

Critical Moment

When does the first serious error occur?

Move 33average
1-15
16-25
26-35
36-45
46+
30% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

5
5
5
5
7
6
4
4
6
6
abcdefgh
Many
Few
Critical squares
e57 err
d46 err
f16 err
g16 err
c65 err
e5/d4 concentrate most errors. Force decisions in those zones.

Recent Games

D
Cuenca Jimenez, Jose Fernando2479

Torneo Internacional Perl... · 2 Nov 2025

½-½
W
Flom, Gabriel2414

Perla del Desierto 2025 · 1 Nov 2025

1-0
W
Lopez Gonzalez, Abel Fabian2394

Perla del Desierto 2025 · 1 Nov 2025

0-1
D
Diaz Rosas, Julio Cesar2384

Torneo Internacional Perl... · 31 Oct 2025

½-½
W
Garcia Guerrero, Isaac Antonio2327

Round 4: Macieja, Bartlom... · 31 Oct 2025

1-0
W
Hernandez Jimenez, Alexander Andres2069

Torneo Internacional Perl... · 30 Oct 2025

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
Petroff: Main Line
72.7%
11 Games·Wins

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6

Petroff: Classical
72.7%
11 Games·Wins

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4

Black

No consistent strengths detected as Black

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#29Bf1??
Tactics
vs Hernandez Jimenez
OTB·2025
▶
#12d6??
Tactics
vs Golis
OTB·2025
▶
#46Ke1??
Endgame
vs Grochol
OTB·2025
▶
#22Bb4??
Tactics
vs Druska
OTB·2023
▶
#71Kf2??
Endgame
vs Hardaway
OTB·2023
▶
#33Qxc3??
Tactics
vs Kanli
OTB·2022
▶
#46Rf3??
Endgame
vs Rodriguez Garcia
OTB·2022
▶
#27h5??
Tactics
vs Zhou
OTB·2022
▶
#31Nf1??
Tactics
vs Turgut
OTB·2022
▶
#46d5??
Endgame
vs Morado
OTB·2022
Endgame Statistics

22 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2025
2023
2022
2021
2019
2018
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
1192 Games
52%33%15%
1.e4
70%
821
1.Nf3
71%
158
1.d4
65%
136
1.c4
60%
77
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