PolandPOL
ID: 21801304

Jan Kosior

FIDE ratings

1,617Classical
1,613Rapid

Performance

50 games
28% Win
4% Draw
68% Loss

Jan Kosior's playing style

Overall score:30%14W 2D 34L over 50 games
Best with 1.e4 as White:33%in 24 games
In great form:45%8W 2D 10L in last 20 games

Openings as White

Among the openings shown, Sicilian Defense: O'Kelly Variation, Normal System has the largest White sample, with 4 games. Select a row to explore its moves and inspect example games below.

Sicilian Defense: O'Kelly Variation, Normal System
100%
4g
Petrov's Defense: Nimzowitsch Attack
100%
2g
Caro-Kann Defense
100%
2g
Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation
100%
2g
French Defense: Exchange Variation
100%
2g

Openings as Black

Among the openings shown, Petrov's Defense: Modern Attack has the largest Black sample, with 2 games. These results describe the available sample, not a prediction of the player’s next choice.

Petrov's Defense: Modern Attack
100%
2g
Petrov's Defense: French Attack
100%
2g
Sicilian Defense: Najdorf Variation
100%
2g
Queen's Gambit Declined: Three Knights Variation
100%
2g
English Opening: King's English Variation, Reversed Sicilian
100%
2g

Repertoire

26 games as white in scope
8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h
Move arrowsfrequency, not engine evaluation

Starting position

26 games in this line · White to move

Results for Kosior, Jan as white · Wins / Draws / Losses

W / D / L
38%
62%
Move
24 · 92%
33%
67%
2 · 8%
100%

Game History

(50 games)
DateSourceColorOpponentResultLink
Jul 31, 2021
OTB - PGN-Mentor
Osinski, Emil(2187)
W—
Jul 31, 2021
OTB - PGN-Mentor
Karykowska, Anna(1982)
L—
Jul 31, 2021
OTB - PGNMentor
WFMKohut, Anna(1991)
L—
Jul 31, 2021
OTB - PGNMentor
Osinski, Emil(2187)
W—
Jul 31, 2021
OTB - PGNMentor
Helaszek, Edward(1956)
D—
Jul 31, 2021
OTB - PGNMentor
Karykowska, Anna(1982)
L—
Jul 31, 2021
OTB - PGN-Mentor
WFMKohut, Anna(1991)
L—
Jul 31, 2021
OTB - PGN-Mentor
Helaszek, Edward(1956)
D—
Aug 15, 2020
OTB - LumbrasGigaBase
Komendecki, Jacek(2024)
L—
Aug 15, 2020
OTB - LumbrasGigaBase
Komendecki, Jacek(2024)
L—

Research Jan Kosior’s games and opening repertoire

Jan Kosior is rated 1617 in standard, 1613 in rapid by FIDE. Jan Kosior plays for Poland.

Jan Kosior has FIDE ID 21801304.

Check the official FIDE record for ratings and identity. It is not a complete archive of game moves.

Use the openings as White and Black to identify recurring choices in the available games. Follow a branch into the repertoire explorer and inspect example games in the game history. Dates, time controls and sources affect which patterns are relevant to your next match.

See the top players in Poland