Klekowski, Maciej

POL POL·Born 1992·FIDE #1132717·2,459 Games

Classical24702,102 Games

Rapid2473181 Games

Blitz2545176 Games

Play against Klekowski, Maciej's Twin

PRO

Uses their openings, level & style

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

Ready to play

2459 games analyzed

Statistics

Total

2459

Wins

1264

Draws

533

Losses

658

51%22%27%

Play Style

What you need to know before facing them

Elite accuracy: 92.5% average

High resilience (62%): Dangerous even when losing

Solid conversion: 87%

Very consistent (89%)

Very precise: only 0.1 blunders/game

Dominates 1.Nf3 ♔ (72% in 76 games)

Deep Analysis

Stockfish 18 · Classical games · 419 analyzed

Accuracy by phase

Opening

95.7%

Middlegame

92.5%

Endgame

94.0%

Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?

+4%

Winning (+2 or more)

93%186g

Equal position

95%123g

Losing (-2 or more)

89%110g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

22%

119 errors

20%

107 errors

16%

84 errors

15%

81 errors

14%

75 errors

14%

73 errors

Critical Moment — When does the first serious error occur?

Move 43 average

11%

19%

17%

50%

1-15

16-25

26-35

36-45

46+

50% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

160

Hotspot zone

e5 / f6

Critical squares

23 err

18 err

17 err

16 err

15 err

e5/f6 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

White55.6%Loses

Caro-Kann: Advance — 1.e4 c6 2.d4 d5 3.e5

9 Games · Low sample · last played 6 years agoPlay this line

White41.7%Loses

French: Tarrasch — 1.e4 e6 2.d4 d5 3.Nd2

12 Games · last played 5 years agoPlay this line

Black61.9%Loses

Nimzo-Indian: Capablanca — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3

21 Games · last played 9 months agoPlay this line

Strengths

— avoid these lines

White75.0%Wins

Ruy Lopez: Morphy — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a612 Games · last played last year

White73.3%Wins

English vs 1...e5 — 1.c4 e5 2.Nc3 Bb415 Games · last played 5 months ago

Black53.6%Wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e6179 Games · last played 8 months ago

Black60.0%Wins

King's Indian — 1.d4 Nf6 2.c4 g610 Games · last played 4 months ago

Critical Blunders

10 errors · Stockfish

#39Qb2??Tacticsvs FinekOTB · 2026

#54Kxe5??Endgamevs YooOTB · 2026

#78Rf8+??Endgamevs LiangOTB · 2026

#15Rad1??Tacticsvs BluebaumOTB · 2025

#27Qb2??Tacticsvs ArslanovOTB · 2025

#22e4??Tacticsvs WenOTB · 2025

#29cxd5??Tacticsvs TerryOTB · 2025

#63Qf1??Endgamevs BluebaumOTB · 2025

#39fxe4??Tacticsvs CzarneckaOTB · 2025

#44Kc3??Endgamevs Kawulski-ChodkiewiczOTB · 2025

Recent Games

2,459 Games

Terkiewicz, Bruno(2344)

TCh-POL Ekstraliga 2026 · 24 Jun 2026

½-½

Lagarde, Maxime(2615)

TCh-POL Ekstraliga 2026 · 23 Jun 2026

1-0

Niedbala, Bartlomiej(2381)

TCh-POL Ekstraliga 2026 · 22 Jun 2026

0-1

Klimkowski, Jan(2514)

TCh-POL Ekstraliga 2026 · 21 Jun 2026

½-½

Hardaway, Brewington(2510)

TCh-POL Ekstraliga 2026 · 20 Jun 2026

½-½

Antoniewski, Rafal(2446)

TCh-POL Ekstraliga 2026 · 19 Jun 2026

½-½

Endgame Statistics

PRO23 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

1229 Games

56%21%23%

Move	Games	%
1.c4	859	66%
1.e4	203	70%
1.d4	77	60%
1.Nf3 Strong	76	72%
1.f4	5	50%
1.Nc3 Strong	3	100%
1.b4 Weak	2	0%
1.g4	2	50%
1.h4 Weak	1	0%
1.d3 Weak	1	0%

MoveGamesPerformance%

1.c4

859

66%

1.e4

203

70%

1.d4

60%

1.Nf3Strong

72%

1.f4

50%

1.Nc3Strong

100%

1.b4Weak

1.g4

50%

1.h4Weak

1.d3Weak