Scouting report: Jachym Nemec (IM, CZE)

652 over-the-board games in the Chess Stalker database (561 classical, 54 rapid, 37 blitz): 43% wins, 24% draws, 33% losses. FIDE rating 2483 standard, 2380 rapid, 2354 blitz. 422 games analyzed with Stockfish: 93% accuracy, 0.04 blunders per game.

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

Full report: https://chessstalker.com/fide/23716525 — no account needed.

Chess Stalker

Jachym Nemec

IM

Czechiaborn 2008FIDE ID 23716525

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2200
2300
2400
2500
Peak2483
2332 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2483
2380
2354
2483peak, Sep 2026
652games
280wins, 43%
158draws, 24%
214losses, 33%

Play style

before facing them
Elite accuracy: 92.7% average
Solid conversion: 85%
Very consistent (91%)
Very precise: only 0.0 blunders/game
Dominates 1.Nf3 as ♔ (68% in 61 games)
Vulnerable to 1.c4 ♚ (only 39%)

Play against Nemec's Twin

Their real openings, level & style

Based on 652 games

Openings

652 games

Weaknesses

where they slip as ♔ White
Nimzo-Indian: Capablanca1.d4 ♞f6 2.c4 e6 3.♞c3 ♝b4 4.e3 O-O 5.♝d3only 9 games, last played 6 months ago77.8%losses

Strengths

what holds up for them as ♔ White
Sicilian: d6 Systems1.e4 c5 2.♞f3 d611 games, last played 8 months ago63.6%wins

Deep analysis

Stockfish · Classical · 422 analyzed
Accuracy by phase
Opening
96.5%
Middlegame
92.8%
Endgame
94.0%
Clutch factor
+4%
Winning (+2)
94%
Equal
94%
Losing (−2)
90%
Problematic pieces
22%
96 err
20%
87 err
19%
83 err
16%
72 err
14%
63 err
9%
41 err
Critical moment
Move 43 avg
0%
1-15
6%
16-25
31%
26-35
31%
36-45
31%
46+
31% of blunders occur after move 26-35. Keep tension until then.
Error heatmap · Critical squares
11
13
11
11
11
12
13
11
Few
Many
d5
13
e3
13
d3
12
c4
11
e2
11
d5/e3 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#34
♝e3?? vs Havelka
Endgame · OTB · 2025
#46
♞f3?? vs Krzyzanowski
Endgame · OTB · 2025
#30
♜e8?? vs Lihotsky
Middlegame · Rapid · 2025
#39
♜g5?? vs Kusa
Endgame · Rapid · 2025
#47
♝xa5?? vs Trhal
Endgame · Rapid · 2025
#28
♚c4?? vs Krejci
Endgame · OTB · 2025

Recent games

Amar, Elham(2581)

4th Dole Open 2026 · 21 Jul 2026

0–1
Stocek, Jiri(2500)

ch-CZE 2026 · 16 May 2026

1–0
Zilka, Stepan(2516)

ch-CZE 2026 · 15 May 2026

½–½
Hrbek, Stepan(2466)

ch-CZE 2026 · 14 May 2026

½–½
Kriebel, Tadeas(2524)

ch-CZE 2026 · 13 May 2026

1–0
Navara, David(2624)

ch-CZE 2026 · 12 May 2026

½–½

Endgame statistics

Repertoire

PRO
652 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
329 games47%W26%D27%L
Move
1. d4
2254m
44%29%27%
58%
1. ♞f3
615m
57%2122
68%
1. e4
271y
44%45%
50%
1. c4
95m
44%33%23
61%
1. b3
73y
57%1429%
64%

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