Scouting report: Jergus Pechac (GM, SVK)

1,620 over-the-board games in the Chess Stalker database (1,518 classical, 80 rapid, 23 blitz): 46% wins, 34% draws, 20% losses. FIDE rating 2538 standard, 2557 rapid, 2571 blitz. 772 games analyzed with Stockfish: 94% accuracy, 0.04 blunders per game.

  • Opening repertoire of Jergus Pechac 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 Jergus Pechac's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/14926970 — no account needed.

Jergus Pechac

GM

Slovakiaborn 2001FIDE ID 14926970

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2480
2520
2560
2600
2598 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2571
2557
2538
2637peak, Jan 2023
1,620games
750wins, 46%
551draws, 34%
318losses, 20%

Play style

before facing them
Elite accuracy: 94.3% average
Solid conversion: 87%
Very consistent (90%)
Very precise: only 0.0 blunders/game
Dominates 1.c4 as ♔ (84% in 44 games)

Play against Pechac's Twin

Their real openings, level & style

Based on 1,620 games

Openings

1,620 games

Weaknesses

where they slip as ♔ White
French: Tarrasch1.e4 e6 2.d4 d5 3.d2only 9 games, last played 2 months ago44.4%losses

Strengths

what holds up for them as ♔ White
Caro-Kann: Advance1.e4 c6 2.d4 d5 3.e510 games, last played 6 months ago80.0%wins
Italian: Two Knights1.e4 e5 2.f3 c6 3.c4 f620 games, last played 10 months ago70.0%wins

Deep analysis

Stockfish · Classical · 772 analyzed
Accuracy by phase
Opening
96.8%
Middlegame
94.1%
Endgame
95.7%
Clutch factor
+4%
Winning (+2)
95%
Equal
96%
Losing (−2)
90%
Problematic pieces
26%
70 err
22%
61 err
18%
50 err
14%
37 err
11%
30 err
9%
26 err
Critical moment
Move 34 avg
0%
1-15
31%
16-25
46%
26-35
0%
36-45
23%
46+
46% of blunders occur after move 26-35. Keep tension until then.
Error heatmap · Critical squares
9
11
9
9
10
9
Few
Many
d4
11
f3
10
e4
9
e5
9
g3
9
d4/f3 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#38
g1?? vs Pultinevicius
Endgame · OTB · 2026
#23
h8?? vs Samunenkov
Middlegame · OTB · 2025
#29
xd4?? vs Schnider
Endgame · OTB · 2025
#13
e5?? vs Krause
Middlegame · OTB · 2025
#60
xf3?? vs Paichadze
Endgame · OTB · 2025
#46
c2?? vs Iturrizaga Bonelli
Middlegame · OTB · 2025

Recent games

Aditya Mittal(2593)

Chess Slovak Masters 2026 · 30 Aug 2026

½–½
Samunenkov, Ihor(2616)

Chess Slovak Masters 2026 · 29 Aug 2026

½–½
Fier, Alexandr(2566)

Chess Slovak Masters 2026 · 28 Aug 2026

0–1
Dardha, Daniel(2601)

Chess Slovak Masters 2026 · 27 Aug 2026

½–½
Mishra, Abhimanyu(2630)

Chess Slovak Masters 2026 · 26 Aug 2026

½–½
Mendonca, Leon Luke(2631)

Chess Slovak Masters 2026 · 25 Aug 2026

0–1

Endgame statistics

Repertoire

PRO
1,620 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
821 games53%W29%D18%L
Move
1. e4
3622w
53%27%20
66%
1. d4
2913w
50%34%16
67%
1. f3
872w
54%30%16
69%
1. c4
446w
80%
84%
1. g3
127w
58%25%17
71%
1. b3
82m
63%25%
75%
1. f4
310m
100%
50%
1. a3
31y
67%33%
83%
1. c3
39y
67%33%
33%
1. e3
212m
100%
50%
1. h3
13y
100%
50%
1. h3
13y
100%
50%
1. h4
13y
100%
50%
1. b4
111y
100%
100%
1. d3
110y
100%
100%
1. g4
19m
100%
100%

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