Macieja, Bartlomiej

POL POL·Born 1977·FIDE #1104306

2512Classical

2454Rapid

2404Blitz

Statistics

Total2,396

Wins980

Draws998

Losses418

41%42%17%

Play Style

before facing themWhat 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 as

(70% in 159 games)

Vulnerable to 1.g3

(only 46%)

Play against Macieja's Twin

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

Ready to play

2,396 games analyzed

Deep Analysis

Stockfish 18 · Classical · 169 analyzedStockfish 18 · Classical games · 169 analyzed

Accuracy by phase

Opening

96.5%

Middlegame

93.7%

Endgame

95.3%

Clutch Factor

+4%

Winning (+2)Winning (+2)

94%77g

EqualEqual position

95%57g

Losing (−2)Losing (−2)

90%35g

Accuracy under pressure

Problematic Pieces — which cause most errors?

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

16-25

30%

26-35

30%

36-45

20%

46+

30% of blunders occur after move 26-35 — keep tension until then.of blunders occur after move 26-35 — keep tension until then.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

e5 / d4

Critical squares

7 err

6 err

5 err

e5/d4 concentrate most errors. Force decisions in those zones.

Openings

2,396 gamesBased on 2,396 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite84.6%wins

Alekhine Defense — 1.e4 Nf6 2.e5 Nd513 g13 games · last played 13 years ago

aswhite81.8%wins

Scandinavian Defense — 1.e4 d5 2.exd5 Qxd511 g11 games · last played 13 years ago

No consistent strengths detected as black

Critical Blunders

10 errors · Stockfish

#29Bf1??Tacticsvs Hernandez JimenezOTB · 2025

#12d6??Tacticsvs GolisOTB · 2025

#46Ke1??Endgamevs GrocholOTB · 2025

#22Bb4??Tacticsvs DruskaOTB · 2023

#71Kf2??Endgamevs HardawayOTB · 2023

#33Qxc3??Tacticsvs KanliOTB · 2022

#46Rf3??Endgamevs Rodriguez GarciaOTB · 2022

#27h5??Tacticsvs ZhouOTB · 2022

#31Nf1??Tacticsvs TurgutOTB · 2022

#46d5??Endgamevs MoradoOTB · 2022