Kolosowski, Mateusz

POL POL·Born 1992·FIDE #1129708·777 Games

FIDE OTB · #1129708 · 777 Games

Classical2435711 g Games

Rapid236427 g Games

Blitz242939 g Games

Play against Kolosowski's Twin

PRO

Uses their openings, level & style

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

Ready to play

777 games analyzed

Statistics

Total

777

Wins

333

Draws

228

Losses

216

43%29%28%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 92.3% average

Very consistent (89%)

Very precise: only 0.1 blunders/game

Dominates 1.e4 ♔ (63% in 236 games)

Vulnerable to 1.c4 ♚ (only 40%)

Deep Analysis

Stockfish 18 · Classical games · 65 analyzed

Accuracy by phase

Opening

96.6%

Middlegame

91.9%

Endgame

94.2%

Clutch Factor

+5%

Winning (+2)Winning (+2)

93%33g

EqualEqual position

94%18g

Losing (−2)Losing (−2)

88%14g

Accuracy under pressure

Problematic Pieces — which cause most errors?

23%

18 err

20%

16 err

15%

12 err

14%

11 err

14%

11 err

14%

11 err

Critical Moment

Move 38 avg

1-15

14%

16-25

29%

26-35

43%

36-45

14%

46+

43% of blunders after move 36-45 — keep the tension until then.of blunders occur in moves 36-45. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

e4 / d3

Critical squares

7 err

5 err

4 err

3 err

e4/d3 account for most of the errors. Force decisions in those zones.

Openings

777 GamesBased on 777 player games

Weaknesses

— exploit these— exploit these lines

aswhite41.2%Losses

Queen's Gambit Declined — 1.d4 d5 2.c4 e6

17 Games · last played 4 months agoPlay this line

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite58.6%Wins

Sicilian: Closed — 1.e4 c5 2.Nc3 Nc629 Games · last played 9 months ago

29 Games · last played 9 months ago

asblack52.6%Wins

Italian: Two Knights — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf619 Games · last played 9 months ago

19 Games · last played 9 months ago

asblack45.0%Wins

Queen's Gambit Declined — 1.d4 d5 2.c4 e620 Games · last played 4 months ago

20 Games · last played 4 months ago

Critical Blunders

10 errors · Stockfish

#38Kxe5??Tacticsvs OnischukOTB · 2025

#67f3??Endgamevs Nerkar AnandOTB · 2025

#46Bxd8??Endgamevs NevednichyBlitz · 2021

#72c5??Endgamevs Sankalp GuptaBlitz · 2021

#30Kh8??Tacticsvs SamunenkovBlitz · 2021

#27Bxe3??Tacticsvs MichalikBlitz · 2021

#42Ke4??Endgamevs MikhalevskiBlitz · 2021

#76Rd5??Endgamevs HeberlaBlitz · 2021

#56Rb5??Endgamevs KantorRapid · 2021

#44Re6??Endgamevs NevednichyRapid · 2021

Recent Games

777 Games

Draw

Sanal, Vahap(2551)

26th ch-EUR Indiv 2026 · 19 Apr 2026

½-½

Win

David, Alexandru-Vasile(2314)

26th ch-EUR Indiv 2026 · 18 Apr 2026

0-1

Draw

Kucza, Karol(2319)

26th ch-EUR Indiv 2026 · 16 Apr 2026

½-½

Draw

Kejna, Piotr(2311)

26th ch-EUR Indiv 2026 · 15 Apr 2026

½-½

Loss

Warmerdam, Max(2545)

26th ch-EUR Indiv 2026 · 14 Apr 2026

0-1

Win

Zawadzka, Jolanta(2324)

26th ch-EUR Indiv 2026 · 13 Apr 2026

0-1

Endgame Statistics

PRO57 endgames (52.3%)

Strongest

Weakest

11%

Minor Piece Pairs

Reaches Endgame

52.3%

57 / 109

B vs N Pref

0% · 0%

0 / 2

PiecesTypeWin %Games

Rook + Minor

28.6%28

Rook + Equal Minors

43.8%16

Rook vs Rook

21.4%14

Queen vs Pieces

36.4%11

Rook+Bishop vs Rook+Knight

40%10

Minor Piece Pairs

11.1%9

Rook + Minor28.6%28

Rook + Equal Minors43.8%16

Rook vs Rook21.4%14

Queen vs Pieces36.4%11

Rook+Bishop vs Rook+Knight40%10

Minor Piece Pairs11.1%9

Weakest: Minor Piece Pairs 11%Show all 21 types

Unlock Endgame Statistics

21 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

399 Games

48%26%26%

Move	Games	%
1.e4	236	63%
1.d4	145	60%
1.c4	6	50%
1.Nf3	6	50%
1.b3	4	38%
1.Nc3Strong	1	100%
1.f4	1	50%

MoveGamesPerformance%

1.e4

236

63%

1.d4

145

60%

1.c4

50%

1.Nf3

50%

1.b3

38%

1.Nc3Strong

100%

1.f4

50%