IM
Vykouk, Jan
CZE·Born 2000·FIDE #349658·1,400 Games
CZE Classical24871,224 Games
Rapid2426124 Games
Blitz238152 Games
Statistics
1400
Total
553
Wins
503
Draws
342
Losses
40%36%24%
Play Style
What 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 ♔ (71% in 54 games)
Vulnerable to 1.d4 ♔ (only 33%)
Deep Analysis
Stockfish 18 · Classical games · 393 analyzed
Accuracy by phase
Opening96.3%
Middlegame93.5%
Endgame95.1%
Clutch Factor
Performance under pressure
Winning (+2 or more)94%
152 Games
Equal position94%
158 Games
Losing (-2 or more)90%
83 Games
Problematic Pieces
Which pieces cause most errors?
♖
27%
80 errors
♞
20%
58 errors
♙
17%
49 errors
♕
15%
43 errors
♗
14%
42 errors
♔
8%
24 errors
Critical Moment
When does the first serious error occur?
Move 39average
1-15
16-25
26-35
36-45
46+
40% of blunders occur between move 26-35. Keep tension until that moment.
Error Heatmap
Where do most errors occur?
12
8
10
9
7
10
15
7
9
9
abcdefgh
Many
Few
Critical squares
e415 err
e612 err
d410 err
d510 err
e29 err
e4/e6 concentrate most errors. Force decisions in those zones.
Recent Games
L
Krejci, Jan2495
ch-CZE 2026 · 16 May 2026
L
Navara, David2624
ch-CZE 2026 · 15 May 2026
D
Stocek, Jiri2500
ch-CZE 2026 · 14 May 2026
L
Finek, Vaclav2573
ch-CZE 2026 · 13 May 2026
L
Zilka, Stepan2516
ch-CZE 2026 · 12 May 2026
L
Stalmach, Richard2433
ch-CZE 2026 · 11 May 2026
Openings
Based on player games
Weaknesses
EXPLOIT!White
Italian: Fried Liver
45.5%11 Games·Loses
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5
Sicilian: Kan
43.5%23 Games·Loses
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6
Black
Sicilian: Dragon
54.5%11 Games·Loses
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6
Strengths
AVOIDWhite
Sicilian: Taimanov
63.0%27 Games·Wins
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6
Black
Sicilian: Closed
76.9%13 Games·Wins
1.e4 c5 2.Nc3 Nc6
Critical Blunders
Tactical errors analyzed with Stockfish
10 errors
▶
#21Re3??
Tactics
vs Malek
OTB·2026
▶
#64Bc5+??
Endgame
vs Gnojek
Blitz·2025
▶
#48Ke5??
Endgame
vs Hakobyan
OTB·2025
▶
#56Be4??
Endgame
vs Malek
OTB·2025
▶
#29Qe7??
Tactics
vs Delgerdalai
Rapid·2025
▶
#40Qe2??
Tactics
vs Postupa
OTB·2025
▶
#23Ne5??
Tactics
vs Soucek
Rapid·2025
▶
#35Ke2??
Tactics
vs Bouska
Rapid·2025
▶
#61Nxc7??
Endgame
vs Dolezal
Rapid·2025
▶
#56c6??
Endgame
vs Korobov
OTB·2025
Endgame Statistics
23 endgame categories analyzed — discover where they collapse under pressure
Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO2026
2025
2024
2023
2022
2021
PRO
8
76
5
4
3
2
1a
b
c
d
efgh708 Games
44%35%21%
1.e4
62%610
1.c4
71%54
1.Nf3
61%31
1.d4
33%12
1.f4
100%1