Player profile

Widelski, Kacper

Standard: 1835 Rapid: 2038 Blitz: 1970 (last updated 2026-10-02)

FIDE ID: 1159950 (view FIDE profile)

Federation: POL Sex: M Birth Year: 1998 Age: 28

Title: — Women's title: — Other title: — FOA title: —

Games: 34 Wins: 11 (32%) Draws: 10 (29%) Losses: 13 (38%)

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Dossier

29 of 34 games analyzed.

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Openings

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As White 17 games 7W 5D 5L

French Defense 6 games 1W 2D 3L

Classical Variation 3 games 0W 0D 3L

(unspecified) 2 games 0W 0D 2L

Burn Variation, Morozevich Line 1 game 0W 0D 1L

Winawer Variation 2 games 1W 1D 0L

Delayed Exchange Variation 2 games 1W 1D 0L

McCutcheon Variation 1 game 0W 1D 0L

Exchange Variation 1 game 0W 1D 0L

Sicilian Defense 6 games 5W 0D 1L

Kan Variation 2 games 1W 0D 1L

Wing Attack 2 games 1W 0D 1L

Moscow Variation 2 games 2W 0D 0L

Main Line 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Taimanov Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Four Knights Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Scotch Game 2 games 0W 2D 0L

Potter Variation 2 games 0W 2D 0L

(unspecified) 2 games 0W 2D 0L

Owen Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

English Opening 1 game 0W 0D 1L

Symmetrical Variation 1 game 0W 0D 1L

Rubinstein Variation 1 game 0W 0D 1L

Caro-Kann Defense 1 game 0W 1D 0L

Exchange Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

As Black 17 games 4W 5D 8L

Sicilian Defense 4 games 1W 2D 1L

Lasker-Pelikan Variation 3 games 1W 1D 1L

Sveshnikov Variation, Chelyabinsk Variation 2 games 0W 1D 1L

Schlechter Variation 1 game 1W 0D 0L

Nyezhmetdinov-Rossolimo Attack 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Bogo-Indian Defense 2 games 1W 0D 1L

Grünfeld Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Nimzowitsch Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Catalan Opening 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

English Opening 1 game 0W 1D 0L

Mikenas-Carls Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Yusupov-Rubinstein System 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Van Geet Opening 1 game 0W 0D 1L

Novosibirsk Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Ruy Lopez 1 game 0W 0D 1L

Morphy Defense 1 game 0W 0D 1L

Neo-Arkhangelsk Variation 1 game 0W 0D 1L

King's Indian Attack 1 game 0W 1D 0L

Symmetrical Defense 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Rapport-Jobava System 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Basque Opening 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

King's Indian Defense 1 game 0W 0D 1L

Fianchetto Variation 1 game 0W 0D 1L

Yugoslav Variation, Advance Line 1 game 0W 0D 1L

Nimzo-Indian Defense 1 game 0W 0D 1L

Classical Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Bird Opening 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Blunders Top 4 of 129

This player's costliest moves in analyzed games. Can you find the winning move?

2026.08.07 · 31. Nf3 (−51.9% win chance) 0-1

Bajer, Tomasz

Widelski, Kacper

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2026.01.11 · 67... Nc6 (−42.3% win chance) 1-0

Widelski, Kacper

Jasiulewicz, Dawid

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2026.08.04 · 30... Bc4 (−39.5% win chance) 1-0

Widelski, Kacper

Balon, Adam

Engine View game

2026.04.14 · 52. Re8 (−38.8% win chance) 0-1

Hackner, Oskar Anton

Widelski, Kacper

Engine View game

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Games Showing all 34 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.08.07	Open A	9.21	2026.08.07 Bajer, Tomasz (21886091) (1791)	0	62.10%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2026.08.06	Open A	8.21	2026.08.06 Kret, Michal (91130328) (1776)	½	92.50%	1. d4 Nf6 2. c4 e6 3. g3 Bb4+
2026.08.05	Open A	7.22	2026.08.05 Janik, Albert (41801792) (1598)	½	95.30%	1. c4 Nf6 2. Nc3 e6 3. e4 d5
2026.08.05	Open A	6.24	2026.08.05 Plachta, Milosz (91168899) (1704)	1	87.90%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2026.08.04	Open A	5.22	2026.08.04 Balon, Adam (21054479) (1761)	0	85.20%	1. d4 Nf6 2. Nf3 e6 3. e3 b6
2026.08.03	Open A	4.23	2026.08.03 Macura, Mateusz (21852510) (2026)	1	90.70%	1. e4 e6 2. d4 d5 3. Nc3 Bb4
2026.08.02	Open A	2.22	2026.08.02 Gebusia, Jeremiasz (21867542) (1745)	0	80.10%	1. Nc3 c5 2. d4 cxd4 3. Qxd4 Nc6
2026.08.01	Open A	1.31	2026.08.01 Ladon, Jeremi (21081395) (1712)	½	89.30%	1. e4 e5 2. Nf3 Nc6 3. d4 exd4
2026.06.03	Zenera_Mistrzostwa_Polski_Amatorow_w_Szachach_Szybkich_do_2200_FIDE	3.1	2026.06.03 Zajac, Szymon (2188)	0	84.00%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2026.04.19	new tournament description	9.8	2026.04.19 Wilczek, Kajetan (91113326) (1837)	0	85.40%	1. e4 e5 2. Nf3 Nc6 3. Bb5 a6
2026.04.18	new tournament description	8.7	2026.04.18 Guzik, Jolanta (1117815) (1946)	½	92.70%	1. e4 e5 2. Nf3 Nc6 3. d4 exd4
2026.04.17	new tournament description	7.8	2026.04.17 Gabka, Pawel (1108425) (1929)	½	92.80%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2026.04.16	new tournament description	6.6	2026.04.16 Stefanik, Marcin (545010382) (1887)	½	93.80%	1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7
2026.04.14	new tournament description	5.5	2026.04.14 Betkowski, Andrzej (1102036) (1971)	0	71.50%	1. d4 Nf6 2. Nc3 d5 3. Bf4 g6
2026.04.14	new tournament description	4.2	2026.04.14 Hackner, Oskar Anton (424188) (2137)	0	83.10%	1. e4 e6 2. d4 d5 3. Nc3 Nf6
2026.04.13	new tournament description	3.2	2026.04.13 Kaliszuk, Kamil (21870160) (2135)	½	82.40%	1. e4 c5 2. Nf3 Nc6 3. Bb5 e6
2026.04.12	new tournament description	2.4	2026.04.12 Sycz, Michal (1129317) (2044)	1	93.50%	1. e4 b6 2. d4 Bb7 3. Bd3 e6
2026.01.11	Round 9: Butkiewicz, Hanna - Widelski, Kacper	9.15	2026.01.11 Butkiewicz, Hanna (21033412) (1656)	1	95.80%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2026.01.11	Round 8: Widelski, Kacper - Szczotka, Klara	8.10	2026.01.11 Szczotka, Klara (21858845) (2205)	0	87.90%	1. c4 c5 2. g3 Nf6 3. Bg2 d5
2026.01.11	Round 7: Rekuc, Patryk - Widelski, Kacper	7.5	2026.01.11 Rekuc, Patryk (21898197) (2288)	0	90.10%	1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+
2026.01.11	Round 6: Wojciech Bukowski - Widelski, Kacper	6.9	2026.01.11 Wojciech Bukowski	1	88.20%	1. d4 Nf6 2. b3 e6 3. Bb2 b6
2026.01.11	Round 5: Widelski, Kacper - Wasilewicz, Wawrzyniec	5.13	2026.01.11 Wasilewicz, Wawrzyniec (41864360) (1605)	1	95.30%	1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
2026.01.11	Round 4: Jasiulewicz, Dawid - Widelski, Kacper	4.6	2026.01.11 Jasiulewicz, Dawid (21881375) (2226)	0	87.30%	1. d4 Nf6 2. Nf3 g6 3. c4 Bg7
2026.01.11	Round 3: Widelski, Kacper - Jedynak, Radoslaw	3.3	2026.01.11 Jedynak, Radoslaw (1109243) (2348)	½	86.00%	1. e4 e6 2. d4 d5 3. Nc3 Bb4
2026.01.11	Round 2: Konstanczuk, Jaroslaw - Widelski, Kacper	2.15	2026.01.11 Konstanczuk, Jaroslaw (21891680)	1	96.90%	1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+
2026.01.11	Round 1: Widelski, Kacper - Klimuszko, Maciej	1.16	2026.01.11 Klimuszko, Maciej (91159431) (1536)	1	91.20%	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.12.30	Runda 9: Skiba, Igor - Widelski, Kacper	9.18	2025.12.30 Skiba, Igor (41819918) (1761)	½	95.40%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.12.30	Runda 8: Widelski, Kacper - Krajdocha, Konrad	8.19	2025.12.30 Krajdocha, Konrad (91120462) (1736)	½	96.90%	1. e4 c6 2. d4 d5 3. exd5 cxd5
2025.12.30	Runda 7: Rajlich, Vaclav - Widelski, Kacper	7.10	2025.12.30 Rajlich, Vaclav (21048525) (1985)	0	86.00%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2025.12.29	Runda 6: Widelski, Kacper - Ciszewski, Krzysztof	6.13	2025.12.29 Ciszewski, Krzysztof (21853509) (2091)	1	-	1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7
2025.12.29	Runda 5: Daniel, Damian - Widelski, Kacper	5.11	2025.12.29 Daniel, Damian (1183621) (2150)	0	-	1. d4 Nf6 2. c4 e6 3. Nc3 Bb4
2025.12.28	Runda 4: Widelski, Kacper - Rabiej, Mateusz	4.16	2025.12.28 Rabiej, Mateusz (41815890) (1722)	1	-	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2025.12.27	Runda 3: Saliuk, Maryia - Widelski, Kacper	3.26	2025.12.27 Saliuk, Maryia (13527843) (1742)	1	-	1. f4 Nf6 2. Nf3 d6 3. d3 g6
2025.12.27	Runda 2: Widelski, Kacper - Reshetniak, Vitaliy	2.9	2025.12.27 Reshetniak, Vitaliy (14125250) (2048)	0	-	1. e4 c5 2. Nf3 e6 3. d4 cxd4