Vlasak, Lukas

CZE CZE·Born 1993·FIDE #324752·923 Games

FIDE OTB · #324752 · 923 Games

Classical2417893 g Games

Rapid237319 g Games

Blitz233211 g Games

Play against Vlasak's Twin

PRO

Uses their openings, level & style

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

Ready to play

923 games analyzed

Statistics

Total

923

Wins

298

Draws

430

Losses

194

32%47%21%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 94.7% average

Solid conversion: 84%

Very consistent (92%)

Very precise: only 0.0 blunders/game

Dominates 1.d4 ♔ (66% in 101 games)

Vulnerable to 1.c4 ♚ (only 38%)

Deep Analysis

Stockfish 18 · Classical games · 156 analyzed

Accuracy by phase

Opening

96.5%

Middlegame

94.6%

Endgame

95.5%

Clutch Factor

+5%

Winning (+2)Winning (+2)

95%56g

EqualEqual position

95%83g

Losing (−2)Losing (−2)

90%17g

Accuracy under pressure

Problematic Pieces — which cause most errors?

25%

17 err

22%

15 err

19%

13 err

16%

11 err

10%

7 err

6 err

Critical Moment

Move 47 avg

1-15

16-25

17%

26-35

50%

36-45

33%

46+

50% 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

c4 / e5

Critical squares

4 err

3 err

c4/e5 account for most of the errors. Force decisions in those zones.

Openings

923 GamesBased on 923 player games

Weaknesses

— exploit these— exploit these lines

aswhite41.2%Losses

Ruy Lopez: Closed — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7

17 Games · last played 9 years agoPlay this line

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite60.0%Wins

Sicilian: Dragon — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g610 Games · last played 9 years ago

10 Games · last played 9 years ago

aswhite60.0%Wins

Ruy Lopez: Marshall — 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O b510 Games · last played 11 months ago

10 Games · last played 11 months ago

No consistent strengths detected as black

Critical Blunders

10 errors · Stockfish

#57Nf6??Endgamevs SemlingOTB · 2025

#34Ne4??Tacticsvs JirkaRapid · 2025

#33Rxa7??Tacticsvs RubesRapid · 2025

#42f3??Endgamevs SabolOTB · 2025

#23Rfe8??Tacticsvs KovacevicOTB · 2025

#60Rd5??Endgamevs RubesOTB · 2024

#36Rxb5??Tacticsvs WenningerOTB · 2024

#33Nxb4??Tacticsvs StalmachOTB · 2023

#36Qf5??Tacticsvs DudekOTB · 2023

#49g6??Endgamevs RomanovOTB · 2022

Recent Games

923 Games

Draw

Zvara, Petr(2337)

TCh-CZE 1 Liga Zapad · 12 Apr 2026

½-½

Loss

Piesik, Piotr(2404)

Å¡achy.cz Extraliga 2025-... · 28 Mar 2026

1-0

Draw

Stalmach, Richard(2410)

TCh-CZE 1 Liga Zapad · 22 Mar 2026

½-½

Draw

Svoboda, Vaclav(2373)

šachy.cz Extraliga 2025-2... · 22 Feb 2026

½-½

Draw

Kriebel, Tadeas(2515)

šachy.cz Extraliga 2025-2... · 21 Feb 2026

½-½

Win

Brejnik, Gustav(2231)

TCh-CZE 1 Liga Zapad · 15 Feb 2026

1-0

Endgame Statistics

PRO70 endgames (41.7%)

Strongest

Weakest

27%

Rook+Bishop vs Rook+Knight

Reaches Endgame

41.7%

70 / 168

B vs N Pref

0% · 0%

1 / 2

PiecesTypeWin %Games

Rook + Minor

42.9%42

Rook + Equal Minors

44%25

Rook+Bishop vs Rook+Knight

27.3%22

Rook vs Rook

38.9%18

Rook vs Minor (Exchange)

41.7%12

Double Rook

30%10

Rook + Minor42.9%42

Rook + Equal Minors44%25

Rook+Bishop vs Rook+Knight27.3%22

Rook vs Rook38.9%18

Rook vs Minor (Exchange)41.7%12

Double Rook30%10

Weakest: Rook+Bishop vs Rook+Knight 27%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

473 Games

37%44%19%

Move	Games	%
1.e4	319	57%
1.d4	101	66%
1.Nf3	35	60%
1.c4	18	47%

MoveGamesPerformance%

1.e4

319

57%

1.d4

101

66%

1.Nf3

60%

1.c4

47%