Vykouk, Jan

CZE CZE·Born 2000·FIDE #349658·1,428 Games

FIDE OTB · #349658 · 1,428 Games

Classical25111,243 g Games

Rapid2438133 g Games

Blitz238152 g Games

Play against Vykouk's Twin

PRO

Uses their openings, level & style

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

Ready to play

1428 games analyzed

Statistics

Total

1428

Wins

573

Draws

509

Losses

344

40%36%24%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 93.3% average

High resilience (60%): Dangerous even when losing

Solid conversion: 88%

Very consistent (89%)

Very precise: only 0.0 blunders/game

Dominates 1.c4 ♔ (72% in 55 games)

Vulnerable to 1.d4 ♔ (only 33%)

Deep Analysis

Stockfish 18 · Classical games · 416 analyzed

Accuracy by phase

Opening

96.3%

Middlegame

93.5%

Endgame

95.1%

Clutch Factor

+4%

Winning (+2)Winning (+2)

94%160g

EqualEqual position

94%163g

Losing (−2)Losing (−2)

90%93g

Accuracy under pressure

Problematic Pieces — which cause most errors?

26%

84 err

18%

59 err

18%

60 err

16%

52 err

14%

45 err

27 err

Critical Moment

Move 39 avg

1-15

10%

16-25

40%

26-35

20%

36-45

30%

46+

40% of blunders after move 26-35 — keep the tension until then.of blunders occur in moves 26-35. Keep the tension until that moment.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

105

Hotspot zone

e4 / e6

Critical squares

15 err

13 err

11 err

10 err

e4/e6 account for most of the errors. Force decisions in those zones.

Openings

1,428 GamesBased on 1,428 player games

Weaknesses

— exploit these— exploit these lines

aswhite45.5%Losses

Italian: Fried Liver — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5

11 Games · last played 2 years agoPlay this line

aswhite43.5%Losses

Sicilian: Kan — 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6

23 Games · last played 8 months agoPlay this line

asblack54.5%Losses

Sicilian: Dragon — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6

11 Games · last played 12 months agoPlay this line

Strengths

— avoid these— avoid these lines

aswhite63.0%Wins

Sicilian: Taimanov — 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc627 Games · last played 3 months ago

27 Games · last played 3 months ago

asblack76.9%Wins

Sicilian: Closed — 1.e4 c5 2.Nc3 Nc613 Games · last played 2 weeks ago

13 Games · last played 2 weeks ago

Critical Blunders

10 errors · Stockfish

#34Qh5??Tacticsvs PultineviciusOTB · 2026

#52b5??Endgamevs FinekOTB · 2026

#85Qh2??Endgamevs KorobovOTB · 2026

#21Re3??Tacticsvs MalekOTB · 2026

#64Bc5+??Endgamevs GnojekBlitz · 2025

#56Be4??Endgamevs MalekOTB · 2025

#48Ke5??Endgamevs HakobyanOTB · 2025

#29Qe7??Tacticsvs DelgerdalaiRapid · 2025

#23Ne5??Tacticsvs SoucekRapid · 2025

#40Qe2??Tacticsvs PostupaOTB · 2025

Recent Games

1,428 Games

Draw

Petersen, Marcel(2263)

37th Czech Open A 2026 · 25 Jul 2026

½-½

Win

Iwan, Patryk(2195)

37th Czech Open A 2026 · 24 Jul 2026

1-0

Win

Prokofiev, Valentyn(2421)

37th Czech Rapid G1 2026 · 23 Jul 2026

1-0

Win

Rasik, Vitezslav(2372)

37th Czech Rapid G1 2026 · 23 Jul 2026

1-0

Loss

Korobov, Anton(2621)

37th Czech Rapid G1 2026 · 23 Jul 2026

0-1

Draw

Pechac, Jergus(2539)

37th Czech Rapid G1 2026 · 23 Jul 2026

½-½

Endgame Statistics

PRO283 endgames (55.8%)

Strongest

80%

Bishop Pair Advantage

Weakest

12%

Opposite-Color Bishops

Reaches Endgame

55.8%

283 / 507

B vs N Pref

38.5% · 33.3%

13 / 6

PiecesTypeWin %Games

Rook + Minor

43%151

Rook+Bishop vs Rook+Knight

41.7%72

Rook + Equal Minors

33.3%60

Rook vs Minor (Exchange)

50.9%57

Rook + Bishop Pair

53.3%45

Rook vs Rook

28.6%42

Rook + Minor43%151

Rook+Bishop vs Rook+Knight41.7%72

Rook + Equal Minors33.3%60

Rook vs Minor (Exchange)50.9%57

Rook + Bishop Pair53.3%45

Rook vs Rook28.6%42

Weakest: Opposite-Color Bishops 12%Show all 23 types

Unlock Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

723 Games

45%35%20%

Move	Games	%
1.e4	624	62%
1.c4Strong	55	72%
1.Nf3	31	61%
1.d4	12	33%
1.f4Strong	1	100%

MoveGamesPerformance%

1.e4

624

62%

1.c4Strong

72%

1.Nf3

61%

1.d4

33%

1.f4Strong

100%