What is Jacek Tomczak's FIDE rating?

Jacek Tomczak's FIDE rating is 2545 standard, 2546 rapid, 2523 blitz. Chess Stalker tracks it together with Jacek Tomczak's over-the-board games and opening repertoire.

How many OTB games has Jacek Tomczak played?

The Chess Stalker database holds 1,782 over-the-board games by Jacek Tomczak (1,621 classical, 123 rapid, 38 blitz), with 45% wins. The full list, with openings and results, is on Jacek Tomczak's Chess Stalker profile.

How do I prepare against Jacek Tomczak?

Open Jacek Tomczak's free Chess Stalker report: opening repertoire with results per line as White and Black, recurring weaknesses and blunder patterns evaluated with Stockfish, and recent games. Then rehearse against the Twin Bot, which imitates Jacek Tomczak's style, before facing them.

Jacek Tomczak

Polandborn 1990FIDE ID 1124668

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026

2500

2540

2580

2620

2591 · Sep 2023

Oct

2024

Apr

Jul

Oct

2025

Apr

Jul

Oct

2026

Apr

Jul

Oct

Sep 2023Oct 2026

2546Rapid

2545Classical

2523Blitz

2635peak, Mar 2019

1,782games

808wins, 45%

631draws, 35%

343losses, 19%

Rated gamesInactive · rating frozenOfficial FIDE lists · drag the range below the chartPeak 2635 · Mar 2019

Play style

before facing themWhat you need to know before facing them

Elite accuracy: 93.7% average

Solid conversion: 83%

Very consistent (91%)

Very precise: only 0.1 blunders/game

Dominates 1.e4 as

(68% in 867 games)

Play against Tomczak's Twin

Their real openings, level & style

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

Based on

1,782 games

Based on 1,782 games

Openings

1,782 gamesBased on 1,782 player games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White

Alekhine Defense1.e4 ♞f6 2.e5 ♞d512 games, last played last year100.0%wins

Sicilian: e6 Systems1.e4 c5 2.♞f3 e678 games, last played 5 months ago66.7%wins

Deep analysis

Stockfish · Classical · 441 analyzedStockfish · Classical games · 441 analyzed

Accuracy by phase

Opening

96.4%

Middlegame

93.8%

Endgame

94.8%

Clutch factor

+5%

Winning (+2)Winning (+2)

94%173g

EqualEqual position

95%190g

Losing (−2)Losing (−2)

90%78g

Accuracy under pressure barely drops when losing.

Problematic pieces

25%

91 err

20%

71 err

18%

66 err

13%

48 err

12%

43 err

11%

38 err

Critical moment

Move 45 avg

1-15

13%

16-25

22%

26-35

35%

36-45

30%

46+

35% of blunders occur after move 36-45. Keep tension until then.of blunders occur after move 36-45. Keep tension until then.

Error heatmap · Critical squaresError heatmap

Few

Many

113Errors mapped

e5 / f5Hotspot zone

Critical squares

1414 err

1111 err

e5/f5 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors · Stockfish

#36

♜a4?? vs Fiszer

Endgame · OTB · 2025

#83

♞f6?? vs Savitha Shri B

Endgame · OTB · 2025

#29

♞e7?? vs Klimkowski

Endgame · OTB · 2025

#32

♚d7?? vs Vetoshko

Endgame · OTB · 2025

#42

♝xc6?? vs Luczak

Endgame · OTB · 2025

#26

b3?? vs Gaponenko

Endgame · OTB · 2025

Recent games

1,782 games

Ivic, Velimir(2630)

Bundesliga 2025-26 · 26 Apr 2026

½–½

Predke, Alexandr(2609)

Bundesliga 2025-26 · 25 Apr 2026

1–0

Vogel, Roven(2534)

Bundesliga 2025-26 · 24 Apr 2026

1–0

Kollars, Dmitrij(2630)

German Bundesliga 2025-26 · 22 Mar 2026

0–1

Eljanov, Pavel(2659)

Schachbundesliga 2025/202... · 21 Mar 2026

½–½

Alekseenko, Kirill(2652)

SBL München · 1 Mar 2026

½–½

Endgame statistics

244 endgames (52.1%) · force Knight vs Knight (17%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

52.1%

244 / 468

B vs N Pref

52.4%·47.8%

prefers the bishop

PiecesTypeWin %games

Rook + Equal Minors

56%44%

77.9%353g

R+Bishop vs R+Knight

59%41%

79.4%306g

Rook vs Minor (Exchange)

49%50%

73.7%281g

Rook vs Rook

48%50%

72.6%252g

Rook vs Two Minors

56%44%

78.1%160g

Pure Pawn

36%50%14

60.6%109g

Rook + Equal Minors77.9%353g

R+Bishop vs R+Knight79.4%306g

Rook vs Minor (Exchange)73.7%281g

Rook vs Rook72.6%252g

Rook vs Two Minors78.1%160g

Pure Pawn60.6%109g

Weak in Knight vs Knight: only 17% win rate (6 games). Force this endgameShow all 14 types

Unlock Endgame Statistics

All their endgames: discover where they collapse under pressure

Repertoire

PROTime controls · Years · Events

1,782 games in scope

Explore the repertoireevery move played, ranked by frequency

902 games50%W34%D16%L

902games in this linewon 50%, drew 34%, lost 16%

Move

1. e4

8675m

51%33%16

68%

1. d4

306m

37%53%10

63%

1. c4

410m

50%25%25%

63%

1. f3

13y

100%

Scouting report: Jacek Tomczak (GM, POL)

Jacek Tomczak

Rating & statistics

Play style

Play against Tomczak's Twin

Openings

Weaknesses

Strengths

Deep analysis

Critical blunders

Recent games

Endgame statistics

Repertoire