Players
Kacper Piorun
Photo: Krzysztof Szeląg, CC BY-SA 4.0, via Wikimedia Commons
GM

Kacper Piorun

PolandBorn 1991 (age 35)FIDE ID 1130420

Luft classical

24002500260027002023202420252026
Monthly Luft ratings, now 2507
FIDE

FIDE classical

2000225025002750200520092013201720212025
Monthly FIDE ratings, now 2532
Luft

Flair

Kacper Piorun's classical flairs

0 of 19 earned over the last 12 months

  • TitanLuft classical rating averaging 2800+ over the last 4 years
  • Serial WinnerWon 2+ elite events in the last 12 months
  • UnderdogRegularly beats players rated 50+ higher
  • Fortress25+ games in a row without a loss
  • Black BeltDoes better with black than with white
  • IronmanPlayed 50+ games over the last 12 months
  • RisingAged 18 or under, Luft rating up 40+ over the last 12 months
  • Endgame SpecialistEndgame 90+: converting, saving and not throwing endgames
  • TacticianTactics 90+: sharp, tactical games they made sharp
  • LightningTop 20 at speed chess (mostly blitz, some rapid)
  • Hot StreakAt least 6 points from 7 straight games against strong opposition
  • SignatureSticks to one defence with black far more than most
  • ChameleonPlays a wide range of defences with black
  • WildcardBrilliant one event, off the next: hard to predict
  • ReliableConsistent across all top events
  • FighterRarely draws, and wins far more than they lose
  • AdaptableTactics and Positional both 90+
  • PositionalPositional 90+: slow, quiet games they steered
  • PodiumTop 3 in at least half of their elite events

No classical flair in the last year yet.

Trophy cabinet

Kacper Piorun's classical titles

2 classical titles, 4 medals, newest first

  • European Team Championship 2021Bronze, team · Poland
  • Polish Championship 20201st
  • Chess Olympiad 2018Bronze, board 3 · Poland
  • European Team Championship 2017Bronze, board 3 · Poland
  • World Team Championship 2017Bronze, team · Poland
  • Polish Championship 20171st
  • Polish Championship×2

Attributes

Tactics 70Positional 77Endgame 81Openings 73Composure 70Defence 74Speed 70Consistency 79

Luft classical rating

2507No. 263

From 13 classical games in top events over the last year, playing at a 2523 level.

ResultsPlayed at a 2523 level, blended with their FIDE rating−1
Tournament winsNone in the last year0
FormThe last 3 months against the whole year−10
ConsistencyHow steady they are from event to event−8
Activity13 classical games in top events−6

Openings

Their most-played, from 37 classical games in top events over the last 4 years

OpeningGamesScore
English Opening560%
Four Knights Game275%
French Defense250%
Zukertort Opening250%
King's Indian Attack150%

English Opening

With White: 5 games, won 2, drew 2, lost 1 · 60%

VariationGamesScore
Agincourt Defense350%
King's English Variation1100%
Symmetrical Variation150%

Four Knights Game

With White: 2 games, won 1, drew 1, lost 0 · 75%

VariationGamesScore
Spanish Variation1100%
Main line150%

French Defense

With White: 2 games, won 1, drew 0, lost 1 · 50%

VariationGamesScore
Winawer Variation1100%
Advance Variation10%

Zukertort Opening

With White: 2 games, won 0, drew 2, lost 0 · 50%

VariationGamesScore
Main line250%

King's Indian Attack

With White: 1 game, won 0, drew 1, lost 0 · 50%

VariationGamesScore
Symmetrical Defense150%

Indian Defense

With Black: 3 games, won 0, drew 3, lost 0 · 50%

VariationGamesScore
London System350%

Sicilian Defense

With Black: 2 games, won 1, drew 0, lost 1 · 50%

VariationGamesScore
Godiva Variation1100%
Nyezhmetdinov-Rossolimo Attack10%

Slav Defense

With Black: 2 games, won 0, drew 2, lost 0 · 50%

VariationGamesScore
Exchange Variation150%
Main line150%

Queen's Gambit Declined

With Black: 2 games, won 0, drew 1, lost 1 · 25%

VariationGamesScore
Austrian Defense150%
Ragozin Defense10%

English Opening

With Black: 1 game, won 1, drew 0, lost 0 · 100%

VariationGamesScore
King's English Variation1100%

Recent events

See all
EventPlace+/−+/−
29th Open Bavarian Chess Championship7 Nov 20261/3−9−9
Sparkassen Chess Trophy 20269 Aug 20264/6+6+2
European Individual Chess Championship 202618 Apr 2026=154th−16−18
FIDE World Cup 20255 Nov 20251/4−6−7
European Individual Chess Championship 202419 Nov 2024=47th+13+13

Best wins

OpponentRating
GMR. Mamedov18 Nov 2024 · European Individual Chess Championship 20242651
GMJ. Krejci20 Sep 2024 · 45th Chess Olympiad Budapest 20242556
GMD. Flores13 Sep 2024 · 45th Chess Olympiad Budapest 20242546
IMH. Besou5 Aug 2026 · Sparkassen Chess Trophy 20262420
FML. Dotzer17 Nov 2024 · European Individual Chess Championship 20242418

Most played

OpponentGamesWDL
IMP. AcostaLast 31 Jul 2023 · FIDE World Cup 20232020
GMS. LobanovLast 2 Nov 2025 · FIDE World Cup 20252020
GMWei YiLast 5 Nov 2025 · FIDE World Cup 20252002
GMA. KorobovLast 25 Feb 2023 · Bundesliga 20221001
GMV. PlatLast 26 Feb 2023 · Bundesliga 20221010

Compare Luft

GMKacper PiorunPoland

Pick a player to compare with Kacper Piorun

How attributes are calculated

From their games in top events over the last 12 months, each judged against the opponent's rating

  • TacticsHow well they score in sharp games they chose to make sharp.
  • PositionalHow well they score in quiet, manoeuvring games they steered.
  • EndgameHow they do in endgames against what the position promised when it began: converting a winning one earns a little, saving a losing one earns a lot, and throwing a winning one costs a lot.
  • OpeningsThe engine's verdict on their position around moves 15 to 20, against what's normal for that colour, as the score it points to. Over the last 4 years, with older games counting less.
  • ComposureHow well they score under pressure: the game straight after a loss, and the last 3 games of an event while they can still win it. Over the last 4 years.
  • DefenceHow they do in games where they were 0.8 pawns or more worse after move 18, against what that position usually scores: holding the draw earns, turning it around earns more, and losing costs a little.
  • SpeedTheir Luft rapid and blitz ratings. With neither, an estimate a little below their classical level.
  • ConsistencyTheir Luft rating, less their off days: tournaments (5+ games each) over the last 4 years where they played 50+ below it. Anything better never counts against them.

  • "How well they score" is a performance rating: the opponent's rating, plus 400 for a win and minus 400 for a loss, averaged. So it's always judged against who they played.

    The score out of 100: 80 is a 2600 level, and each 13 rating points adds one, so 2860 and up is 100.

    Fair to everyone: with only a few games of a kind, the result leans towards their overall Luft rating. Strengths and weaknesses are measured against their overall level and compared with the top 100, so a specialist's best side stands out. A little recent form is added to all but Speed.