Scouting report: Jan Bernasek (GM, CZE)

1,329 over-the-board games in the Chess Stalker database (1,271 classical, 27 rapid, 31 blitz): 45% wins, 35% draws, 21% losses. FIDE rating 2501 standard, 2505 rapid, 2430 blitz. 131 games analyzed with Stockfish: 93% accuracy, 0.06 blunders per game.

  • Opening repertoire of Jan Bernasek as White and Black, with results per line — free.
  • Weaknesses and blunder patterns, evaluated with Stockfish — free.
  • Recent over-the-board games and endgame statistics.
  • Twin Bot: a sparring bot that imitates Jan Bernasek's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/311995 — no account needed.

Chess Stalker

Jan Bernasek

TitleGrandmasterFederationCzechiaBorn1986FIDE ID311995

Classical2501
Rapid2505
Blitz2430
Games1,329
W · D · L45 / 35 / 21
Peak2551

Rating history

2400
2440
2480
2520
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2501Rapid2505Blitz2430no games played
Accuracy by phase
96.1%Opening92.9%Middlegame94.7%Endgame
Clutch factor
Insufficient data

Play style

Elite accuracy: 93.2% average
Solid conversion: 91%
Very consistent (91%)
Very precise: only 0.1 blunders/game
Dominates 1.d4 as ♔ (69% in 541 games)

Recent games

Petrova, Kristyna(2256)

Czech Team Championship 1 Liga Z... · 12 Apr 2026

0–1
Havelka, Josef(2341)

Czech Team Championship Extralig... · 29 Mar 2026

1–0
Ragger, Markus(2560)

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

1–0
Samunenkov, Ihor(2598)

Round 9: Bernasek, Jan - Samunen... · 27 Mar 2026

0–1
Stehno, Pavel(2306)

Czech Team Championship 1 Liga Z... · 22 Mar 2026

1–0

Play against Bernasek's Twin

Their real openings, level & style

Based on 1,329 games

Openings

657 games as White · scores 69.0%

Weaknesses

where they slip as ♔ White
Italian: Two Knights1.e4 e5 2.♞f3 ♞c6 3.♝c4 ♞f6only 9 games, last played 17 years ago44.4%losses

Strengths

what holds up for them as ♔ White
Modern Benoni1.d4 ♞f6 2.c4 c5 3.d5 e612 games, last played 7 years ago75.0%wins
Benoni1.d4 ♞f6 2.c4 c535 games, last played 2 years ago62.9%wins

By family

open a family to see its lines
PRO
1,329 games in scope
LineGamesScorevs 69.0%
8274.4%+5.4 pts
7268.1%—
7162.7%−6.3 pts
6364.3%−4.7 pts
6168.0%—
5373.6%+4.6 pts
3575.7%+6.7 pts
3268.8%—

Mistakes

Problematic pieces
Insufficient data
Critical moment
Insufficient data
Error heatmap · Critical squares
Insufficient data

Critical blunders

Tactical errors analyzed with Stockfish

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Endgame statistics

Repertoire

PRO
1,329 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
657 games53%W31%D16%L
Move
1. d4
5416m
52%33%15
69%
1. e4
627m
66%24
71%
1. ♞f3
274y
56%2222
67%
1. c4
223y
45%45%
68%
1. b3
22y
50%50%
75%
1. d3
121y
100%
50%
1. f4
12y
100%
100%
1. e3
116y
100%
100%

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