What is Jacek Tomczak's FIDE rating?

Jacek Tomczak's FIDE rating is 2545 standard, 2543 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 1,785 over-the-board games by Jacek Tomczak (1,484 classical, 186 rapid, 115 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

TitleGrandmasterFederationPolandBorn1990FIDE ID1124668

Classical2545

Rapid2543

Blitz2523

Games1,785

W · D · LWon · Drawn · Lost45 / 36 / 19

Peak2635Mar 2019

Rating history

2500

2540

2580

Oct

2024

Apr

Jul

Oct

2025

Apr

Jul

Oct

2026

Apr

Jul

Oct

Oct 2023Nov 2026

Classical2545Rapid2543Blitz2523no games played

Accuracy by phase

96.4%Opening93.8%Middlegame94.8%Endgame

Clutch factor

Insufficient data

Play style

Elite accuracy: 93.7% average

Solid conversion: 82%

Very consistent (91%)

Very precise: only 0.1 blunders/game

Dominates 1.e4 as

(67% in 869 games)

Recent games

Pijpers, Arthur(2486)

Bundesliga 2026-27 · 11 Oct 2026

½–½

Pultinevicius, Paulius(2534)

Bundesliga 2026-27 · 10 Oct 2026

½–½

Brkic, Ante(2606)

Bundesliga 2026-27 · 9 Oct 2026

½–½

Ivic, Velimir(2630)

Bundesliga 2025-26 · 26 Apr 2026

½–½

Predke, Alexandr(2609)

Bundesliga 2025-26 · 25 Apr 2026

1–0

Play against Tomczak's Twin

Their real openings, level & style

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

Based on

1,785 games

Based on 1,785 games

Openings

904 games as White · scores 67.3%

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 6 months ago66.7%wins

By family

open a family to see its lines

PROTime controls · Years · Events

1,785 games in scope

LineECOGamesLast playedWins · draws · lossesScorevs 67.3%

B20–B503683w

48%35%17

65.5%—

C20–C441757m

50%34%16

66.6%—

C001156m

59%31%10

74.8%+7.5 pts

B10–B158511m

53%29%18

67.6%—

C60–C704711m

30%55%15

57.4%−9.8 pts

B00–B064011m

65%1520%

72.5%+5.2 pts

C50–C55151y

40%40%20%

60.0%—

B02131y

100%

100.0%—

Mistakes

Problematic pieces

Insufficient data

Critical moment

Insufficient data

Error heatmap · Critical squaresError heatmap

Insufficient data

Critical blunders

Tactical errors analyzed with Stockfish

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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

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Repertoire

PROTime controls · Years · Events

1,785 games in scope

Explore the repertoireevery move played, ranked by frequency

904 games50%W34%D16%L

904games in this linewon 50%, drew 34%, lost 16%

Move

1. e4

8693w

51%33%16

68%

1. d4

308m

37%53%10

63%

1. c4

411m

50%25%25%

63%

1. f3

13y

100%

Scouting report: Jacek Tomczak (GM, POL)

Jacek Tomczak

Rating history

Play style

Recent games

Play against Tomczak's Twin

Openings

Weaknesses

Strengths

By family

Mistakes

Critical blunders

Endgame statistics

Repertoire