Scouting report: Jan-Krzysztof Duda (GM, POL)

4,815 over-the-board games in the Chess Stalker database (1,021 classical, 710 rapid, 3,084 blitz): 58% wins, 23% draws, 19% losses. FIDE rating 2741 standard, 2685 rapid, 2704 blitz, world #13. 2,549 games analyzed with Stockfish: 94% accuracy, 0.23 blunders per game.

Opening repertoire of Jan-Krzysztof Duda 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-Krzysztof Duda's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/1170546 — no account needed.

Jan-Krzysztof Duda

TitleGrandmasterRankWorld No. 13FederationPolandBorn1998FIDE ID1170546

Classical2741▼ 2

Rapid2685

Blitz2704

Games4,815

W · D · LWon · Drawn · Lost58 / 23 / 19

Peak2760Dec 2021

Rating history

2660

2700

2740

2780

Oct

2024

Apr

Jul

Oct

2025

Apr

Jul

Oct

2026

Apr

Jul

Oct

Oct 2023Nov 2026

Classical2741Rapid2685Blitz2704no games played

Accuracy by phase

96.2%Opening92.7%Middlegame95.0%Endgame

Clutch factor

Insufficient data

Play style

Elite accuracy: 94.1% average

High resilience (60%): Dangerous even when losing

Solid conversion: 88%

Very consistent (93%)

Very precise: only 0.2 blunders/game

Dominates 1.b3 as

(84% in 70 games)

Recent games

Caruana, Fabiano(2784)

2nd 3-0 Thursday · 22 Oct 2026

1–0

Zhigalko, Sergei(2572)

2nd 3-0 Thursday · 22 Oct 2026

1–0

Livaic, Leon(2541)

2nd 3-0 Thursday · 22 Oct 2026

1–0

Andreikin, Dmitry(2714)

2nd 3-0 Thursday · 22 Oct 2026

0–1

Drygalov, Andrey(2404)

2nd 3-0 Thursday · 22 Oct 2026

0–1

Play against Duda's Twin

Their real openings, level & style

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

Based on

4,815 games

Based on 4,815 games

Openings

2,452 games as White · scores 73.2%

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White

Benoni1.d4 ♞f6 2.c4 c512 games, last played 3 months ago91.7%wins

Catalan1.d4 ♞f6 2.c4 e6 3.g311 games, last played 3 months ago90.9%wins

By family

open a family to see its lines

PROTime controls · Years · Events

4,815 games in scope

LineECOGamesLast playedWins · draws · lossesScorevs 73.2%

B20–B504321w

65%1916

74.5%—

A00–A043915w

72%1315

78.5%+5.3 pts

A45–E112161w

69%1219

74.8%—

C60–C702021w

55%28%17

69.6%−3.7 pts

D30–E051815w

54%27%19

67.7%−5.5 pts

A10–A301493w

67%1617

75.2%—

C001345w

64%20%16

74.3%—

A40–D031331w

67%1617

74.8%—

Mistakes

Problematic pieces

Insufficient data

Critical moment

Insufficient data

Error heatmap · Critical squaresError heatmap

Insufficient data

Critical blunders

Tactical errors analyzed with Stockfish

Couldn't load this.

Endgame statistics

PRO

Analyzing...

Repertoire

PROTime controls · Years · Events

4,815 games in scope

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Explore the repertoireevery move played, ranked by frequency

2,452 games63%W20%D17%L

2,452games in this linewon 63%, drew 20%, lost 17%

Move

1. e4

11201w

62%22%16

73%

1. d4

7921w

61%20%19%

71%

1. ♞f3

2087w

64%19%17

74%

1. c4

1493w

67%1617

75%

1. b3

707w

80%911

84%

1. b4

415w

83%15

84%

1. g3

189m

78%1111

83%

1. c3

132y

85%15

85%

1. ♞c3

1010m

80%20%

90%

1. f4

108m

90%10

95%

1. g4

63y

67%1716

75%

1. a3

53m

100%

100%

1. d3

24y

50%50%

50%

1. ♞a3

22y

100%

100%

1. h3

22y

50%50%

50%

1. h4

210m

50%50%

50%

1. ♞h3

13y

100%

0%

1. e3

111m

100%

100%

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