Grzegorz Kosiorowski

POL · FIDE ID 91165075 · 7 tournament games since 2026

Open full prep for Grzegorz Kosiorowski Play vs Grzegorz's clone

Standard

1853

#1489 in POL (active)

Rapid

1778

#2192 in POL (active)

Blitz

–

Unrated

Score

57%

2 W · 4 D · 1 L

Opp. avg

1911

Last 7 games

Last game

2026-08-23

Rubinstein Chess Festival 2026 - Open B

Prep summary

As White: 1.e4 in 100% of games (scores 50%).

Based on 7 over-the-board games (7 classical). 4 with White (50%), 3 with Black (67%).

Openings as White

First move

1.e4

50%

Most played

Opening	Games	Score
Sicilian Defense	3	50%
Modern Defense: Standard Defense	1	50%

Openings as Black

Against 1.e4 (1 game)

1...e6 French Defense

50%

Against 1.d4 (1 game)

1...e6 Horwitz Defense

50%

Most played

Opening	Games	Score
French Defense: Réti-Spielmann Attack	1	50%
Dutch Defense: Classical Variation, Huisl Variation	1	100%
Dutch Defense: Classical Variation	1	50%

Recent games

Date	Opponent and event	Result
2026-08-23	Konrad Szczygiel (1875) Rubinstein Chess Festival 2026 - Open B · classical	½
2026-08-22	Maria Krzywnicka (1897) Rubinstein Chess Festival 2026 - Open B · classical	½
2026-08-21	Olivier Gawlik (1910) Rubinstein Chess Festival 2026 - Open B · classical	½
2026-08-20	Dominic Czarnuch (1952) Rubinstein Chess Festival 2026 - Open B · classical	W
2026-08-19	Maciej Zareba (1932) Rubinstein Chess Festival 2026 - Open B · classical	½
2026-08-18	Wieslaw Wojcik (1918) Rubinstein Chess Festival 2026 - Open B · classical	W
2026-08-17	Tymoteusz Ladon (1890) Rubinstein Chess Festival 2026 - Open B · classical	L

See all 7 games with moves

Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.