Czopor, Maciej

POL POL·Born 2004·FIDE #21805431

2455Classical

2319Rapid

2369Blitz

Statistics

Total1,361

Wins645

Draws337

Losses379

47%25%28%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.3% average

High resilience (63%): Dangerous even when losing

Solid conversion: 84%

Very consistent (90%)

Very precise: only 0.1 blunders/game

Dominates 1.d4 as

(67% in 60 games)

Play against Czopor's Twin

Uses their openings, level & style

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

Ready to play

1,361 games analyzed

Deep Analysis

Stockfish 18 · Classical · 393 analyzedStockfish 18 · Classical games · 393 analyzed

Accuracy by phase

Opening

96.5%

Middlegame

93.1%

Endgame

95.1%

Clutch Factor

+5%

Winning (+2)Winning (+2)

94%174g

EqualEqual position

94%138g

Losing (−2)Losing (−2)

90%81g

Accuracy under pressure

Problematic Pieces — which cause most errors?

24%

94 err

20%

77 err

19%

76 err

14%

57 err

14%

54 err

36 err

Critical Moment

Move 49 avg

1-15

16-25

29%

26-35

17%

36-45

46%

46+

46% of blunders occur after move 46 — keep tension until then.of blunders occur after move 46 — keep tension until then.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

118

Hotspot zone

e5 / d5

Critical squares

15 err

13 err

12 err

e5/d5 concentrate most errors. Force decisions in those zones.

Openings

1,361 gamesBased on 1,361 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

aswhite61.8%wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e634 g34 games · last played 2 weeks ago

aswhite60.0%wins

English: Anglo-Indian — 1.c4 Nf6 2.Nc3 g620 g20 games · last played last year

asblack63.6%wins

Modern Defense — 1.e4 g6 2.d4 Bg711 g11 games · last played 2 weeks ago

asblack47.3%wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e6110 g110 games · last played 2 weeks ago

Critical Blunders

10 errors · Stockfish

#52Nc5+??Endgamevs DaneshvarOTB · 2026

#70Rxa4??Endgamevs PranavOTB · 2026

#27g4??Tacticsvs Ter-SahakyanOTB · 2026

#47Kc4??Endgamevs ZhigalkoOTB · 2026

#53Rf8+??Endgamevs AravindhOTB · 2026

#31Qxf5??Tacticsvs FierOTB · 2026

#32Nd3??Tacticsvs Sammed JaykumarRapid · 2025

#32Qc6??Tacticsvs TheodorouRapid · 2025

#49g5??Endgamevs KanyamaralaOTB · 2025

#36Rxb2??Tacticsvs GantiBlitz · 2025

Recent Games

1,361 games

Draw

Banerjee, Supratit(2357)

112th ch-GBR 2026 · 3 Aug 2026

½-½

Win

Davies, Nigel R(2276)

112th ch-GBR 2026 · 2 Aug 2026

1-0

Win

Stubbs, Oliver(2185)

112th ch-GBR 2026 · 1 Aug 2026

0-1

Loss

Firouzja, Alireza(2749)

Titled Tue 28th Jul 2026 · 28 Jul 2026

0-1

Win

Leiva, Gianmarco(2332)

Titled Tue 28th Jul 2026 · 28 Jul 2026

1-0

Win

Dreelinck, Jacob(2312)

Titled Tue 28th Jul 2026 · 28 Jul 2026

0-1

Endgame Statistics

PRO271 endgames (55.2%) · avoid Opposite-Color Bishops (14%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

55.2%

271 / 491

B vs N Pref

52.4%·47.8%

prefers the bishop

PiecesTypeWin %games

Rook + Equal Minors

77.9%353

R+Bishop vs R+Knight

79.4%306

Rook vs Minor (Exchange)

73.7%281

Rook vs Rook

72.6%252

Rook vs Two Minors

78.1%160

Pure Pawn

60.6%109

Rook + Equal Minors77.9%353

R+Bishop vs R+Knight79.4%306

Rook vs Minor (Exchange)73.7%281

Rook vs Rook72.6%252

Rook vs Two Minors78.1%160

Pure Pawn60.6%109

Weak in Opposite-Color Bishops: only 14% win rate (7 games) — Force thisShow all 14 types

Unlock Endgame Statistics

14 endgame categories — discover where they collapse under pressure

Repertoire

PRO

Move arrowsmost-played moves

Starting Position

SF18

690 games

50%25%25%

Move	games	%
1.e4	382	63%
1.c4	210	62%
1.d4	60	67%
1.Nf3	33	64%
1.b3Weak	3	17%
1.a3Strong	1	100%
1.c3Strong	1	100%

MovegamesPerf%

1.e4

382

63%

1.c4

210

62%

1.d4

67%

1.Nf3

64%

1.b3Weak

17%

1.a3Strong

100%

1.c3Strong

100%