Piorun, Kacper
GMPOL·Born 1991·FIDE #1130420
POL2519Classical
2516Rapid
2539Blitz
Statistics
Total3,078
Wins1,416
Draws975
Losses686
46%32%22%
Play Style
before facing themWhat you need to know before facing themElite accuracy: 93.6% average
Solid conversion: 85%
Very consistent (90%)
Very precise: only 0.1 blunders/game
Play against Piorun's Twin
Uses their openings, level & style
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3,078 games analyzed
Deep Analysis
Stockfish 18 · Classical · 652 analyzedStockfish 18 · Classical games · 652 analyzedAccuracy by phase
Opening
96.2%
Middlegame
93.5%
Endgame
95.3%
Clutch Factor
+4%Winning (+2)Winning (+2)
94%199g
EqualEqual position
95%205g
Losing (−2)Losing (−2)
90%96g
Accuracy under pressure
Problematic Pieces — which cause most errors?
22%
92 err
21%
86 err
16%
67 err
15%
63 err
14%
57 err
12%
51 err
Critical Moment
Move 40 avg0%1-15
11%16-25
26%26-35
33%36-45
30%46+
33% of blunders occur after move 36-45 — keep tension until then.of blunders occur after move 36-45 — keep tension until then.
Error Heatmap — where do errors occur?
15
15
18
16
FewMany
Errors mapped
134
Hotspot zone
f4 / e3
Critical squares
f4
18 err
e3
16 err
c7
15 err
f6
15 err
e4
13 err
f4/e3 concentrate most errors. Force decisions in those zones.
Openings
Based on player gamesAnalyzing opening repertoire...
Critical Blunders
10 errors · Stockfish#33Nc4??vs BrkicOTB · 2026
#47Rb8??vs MaghsoodlooOTB · 2026
#61Ra1??vs NakamuraOTB · 2026
#20Nb3??vs LukasiewiczOTB · 2025
#11Bc1??vs KrasenkowOTB · 2025
#17Nxd8??vs BartelRapid · 2025
#38Qf7+??vs JanikRapid · 2025
#57g3??vs ZochowskiRapid · 2025
#31Rb8??vs TulliezOTB · 2025
#45c3??vs JarmulaOTB · 2025
Recent Games
3,078 gamesWin
Fuhrmann, Bahne(2282)
53rd Sparkassen Open A · 2 Aug 2026
Win
Mann, Gergely(2179)
53rd Sparkassen Open A · 1 Aug 2026
Win
Nguyen Hong Anh(1971)
Titled Tue 21st Jul 2026 · 21 Jul 2026
Win
Ilko-Toth, Andras(2236)
Titled Tue 21st Jul 2026 · 21 Jul 2026
Win
Kononenko,Dmitry2(2099)
Titled Tue 21st Jul 2026 · 21 Jul 2026
Loss
Sarana, Alexey(2664)
Titled Tue 21st Jul 2026 · 21 Jul 2026
Endgame Statistics
PRO461 endgames (51.6%) · avoid Opposite-Color Bishops (12%)
Unlock Endgame Statistics
14 endgame categories — discover where they collapse under pressure
Repertoire
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