What is Kacper Piorun's FIDE rating?

Kacper Piorun's FIDE rating is 2532 standard, 2506 rapid, 2539 blitz. Chess Stalker tracks it together with Kacper Piorun's over-the-board games and opening repertoire.

How many OTB games has Kacper Piorun played?

The Chess Stalker database holds 2,789 over-the-board games by Kacper Piorun (2,193 classical, 334 rapid, 262 blitz), with 47% wins. The full list, with openings and results, is on Kacper Piorun's Chess Stalker profile.

How do I prepare against Kacper Piorun?

Open Kacper Piorun'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 Kacper Piorun's style, before facing them.

Kacper Piorun

Polandborn 1991FIDE ID 1130420

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026

2450

2550

2650

2594 · Sep 2023

Oct

2024

Apr

Jul

Oct

2025

Apr

Jul

Oct

2026

Apr

Jul

Oct

Sep 2023Oct 2026

2539Blitz

2532Classical

2506Rapid

2685peak, Jul 2016

2,789games

1,299wins, 47%

854draws, 31%

635losses, 23%

Rated gamesInactive · rating frozenOfficial FIDE lists · drag the range below the chartPeak 2685 · Jul 2016

Play style

before facing themWhat you need to know before facing them

Elite accuracy: 93.6% average

High resilience (61%): Dangerous even when losing

Solid conversion: 83%

Very consistent (90%)

Very precise: only 0.1 blunders/game

Dominates 1.d4 as

(68% in 300 games)

Vulnerable to 1.b3

(only 46%)

Play against Piorun's Twin

Their real openings, level & style

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

Based on

2,789 games

Based on 2,789 games

Openings

2,789 gamesBased on 2,789 player games

Weaknesses

where they slip as ♔ White

Sicilian: Dragon1.e4 c5 2.♞f3 d6 3.d4 cxd4 4.♞xd4 ♞f6 5.♞c3 g6only 9 games, last played 4 years ago55.6%losses

Strengths

what holds up for them as ♔ White

French: Winawer1.e4 e6 2.d4 d5 3.♞c3 ♝b420 games, last played 2 months ago85.0%wins

French: Advance1.e4 e6 2.d4 d5 3.e516 games, last played 2 years ago68.8%wins

Deep analysis

Stockfish · Classical · 649 analyzedStockfish · Classical games · 649 analyzed

Accuracy by phase

Opening

96.1%

Middlegame

93.5%

Endgame

95.3%

Clutch factor

+5%

Winning (+2)Winning (+2)

94%191g

EqualEqual position

95%204g

Losing (−2)Losing (−2)

89%105g

Accuracy under pressure barely drops when losing.

Problematic pieces

23%

95 err

22%

91 err

16%

65 err

16%

66 err

14%

57 err

38 err

Critical moment

Move 41 avg

1-15

16-25

29%

26-35

35%

36-45

29%

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

130Errors mapped

f4 / c7Hotspot zone

Critical squares

1818 err

1616 err

1414 err

1212 err

f4/c7 concentrate most errors. Force decisions in those zones.

Critical blunders

some recent costly mistakes

Stockfish

Brkic, Ante(2610)

Move 33 · Middlegame · OTB · 2026

−3.4c4??

Maghsoodloo, Parham(2706)

Move 47 · Endgame · OTB · 2026

−3.3b8??

Nakamura, Hikaru(2792)

Move 61 · Endgame · OTB · 2026

−4.4a1??

Lukasiewicz, Aleksander(1898)

Move 20 · Middlegame · OTB · 2025

−3.3b3??

Krasenkow, Michal(2490)

Move 11 · Opening · Rapid · 2025

−2.3c1??

Janik, Igor(2528)

Move 38 · Middlegame · Rapid · 2025

−5.3f7+??

Zochowski, Kacper(2287)

Move 57 · Endgame · Rapid · 2025

−5.0g3??

Bartel, Michal(2242)

Move 17 · Middlegame · Rapid · 2025

−3.1xd8??

Tulliez, Andre(2284)

Move 31 · Middlegame · OTB · 2025

−3.0b8??

Jarmula, Lukasz(2440)

Move 45 · Endgame · OTB · 2025

−2.8c3??

Recent games

2,789 games

Olhovik, Andrei(2275)

Titled Tuesday · 8 Sept 2026

0–1

Niemann, Hans Moke(2725)

Titled Tuesday · 8 Sept 2026

0–1

Theodorou, Nikolas(2633)

Titled Tuesday · 8 Sept 2026

0–1

Negrean, Andrei(2292)

Titled Tuesday · 8 Sept 2026

1–0

Martirosyan, Haik M.(2664)

Titled Tuesday · 8 Sept 2026

0–1

Sahbudak, Baris Cinar(2292)

Titled Tuesday · 8 Sept 2026

1–0

Endgame statistics

461 endgames (51.7%) · force Opposite-Color Bishops (12%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

51.7%

461 / 891

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 Opposite-Color Bishops: only 12% win rate (17 games). Force this endgameShow all 14 types

Unlock Endgame Statistics

All their endgames: discover where they collapse under pressure

Repertoire

PROTime controls · Years · Events

2,789 games in scope

Explore the repertoireevery move played, ranked by frequency

1,394 games52%W29%D19%L

1,394games in this linewon 52%, drew 29%, lost 19%

Move

1. e4

7453w

50%31%19%

66%

1. d4

3003w

55%25%20%

68%

1. c4

1742m

53%28%19%

67%

1. ♞f3

1333w

49%32%19%

65%

1. g3

191y

79%16

82%

1. b3

142y

43%50%

46%

1. f4

65y

67%33%

67%

1. ♞c3

13y

100%

1. e3

17y

100%

1. a3

12y

100%

Scouting report: Kacper Piorun (GM, POL)

Kacper Piorun

Rating & statistics

Play style

Play against Piorun's Twin

Openings

Weaknesses

Strengths

Deep analysis

Critical blunders

Recent games

Endgame statistics

Repertoire