Klimkowski, Jan

POL POL·Born 2007·FIDE #21856222·1,624 Games

FIDE OTB · #21856222 · 1,624 Games

Classical25001,480 g Games

Rapid240874 g Games

Blitz245070 g Games

Play against Klimkowski's Twin

PRO

Uses their openings, level & style

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

Ready to play

1624 games analyzed

Statistics

Total

1624

Wins

766

Draws

409

Losses

448

47%25%28%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.3% average

Solid conversion: 82%

Very consistent (89%)

Very precise: only 0.1 blunders/game

Dominates 1.Nf3 ♔ (74% in 60 games)

Deep Analysis

Stockfish 18 · Classical games · 582 analyzed

Accuracy by phase

Opening

96.8%

Middlegame

93.2%

Endgame

95.0%

Clutch Factor

+5%

Winning (+2)Winning (+2)

94%207g

EqualEqual position

94%191g

Losing (−2)Losing (−2)

89%102g

Accuracy under pressure

Problematic Pieces — which cause most errors?

21%

102 err

21%

100 err

18%

87 err

16%

79 err

13%

61 err

12%

56 err

Critical Moment

Move 44 avg

1-15

16-25

24%

26-35

21%

36-45

39%

46+

39% of blunders after move 46 — keep the tension until then.of blunders occur in moves 46+. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

149

Hotspot zone

e5 / f6

Critical squares

17 err

16 err

15 err

e5/f6 account for most of the errors. Force decisions in those zones.

Openings

1,624 GamesBased on 1,624 player games

Weaknesses

— exploit these— exploit these lines

aswhite53.3%Losses

Caro-Kann: Panov-Botvinnik — 1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4

15 Games · last played 5 years agoPlay this line

aswhite50.0%Losses

Ruy Lopez: Marshall — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b5

10 Games · last played 2 years agoPlay this line

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite69.6%Wins

Slav Defense — 1.d4 d5 2.c4 c623 Games · last played 5 months ago

23 Games · last played 5 months ago

aswhite63.6%Wins

Italian: Two Knights — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf611 Games · last played 6 months ago

11 Games · last played 6 months ago

asblack70.0%Wins

Nimzo-Indian: Classical — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc210 Games · last played 4 months ago

10 Games · last played 4 months ago

asblack50.0%Wins

Catalan — 1.d4 Nf6 2.c4 e6 3.g310 Games · last played 10 months ago

10 Games · last played 10 months ago

Critical Blunders

10 errors · Stockfish

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#76Kg5??Endgamevs YildizOTB · 2026

#12h3??Tacticsvs HakobyanOTB · 2026

#44Nf6??Endgamevs MaghsoodlooOTB · 2026

#25Rf2??Tacticsvs Pranav AnandOTB · 2026

#39Bf3??Tacticsvs Otero MarinoOTB · 2026

#61f5??Endgamevs Van ForeestOTB · 2025

Recent Games

1,624 Games

Draw

Maghsoodloo, Parham(2705)

4th Dole Open 2026 · 21 Jul 2026

½-½

Win

Samdanov, Samdan(2294)