Jan Sosna

Country

CZE

Birth Year

1960

Gender

M

Title

International Master

FIDE ID

304379

FIDE ratings

2283

Classical

Published FIDE

2300

Rapid

Published FIDE

2425

Blitz

Published FIDE

Official classical ranks

World rank
#4654
National rank · CZE
#116

Active players · Oct 2026 FIDE list ⓘ

Rating history

Highest recorded rating
2441 Oct 2003
Recorded years
2001–2026
Archived games
169

Based on available monthly lists and saved games.

FIDE rating history

Published rating lists through Oct 2026.

View rating lists
Available Games

Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-09 (UTC).

# Date Event Site Round White Black Result Moves View
1 2024-04-14 TCh-CZE 1 Liga Vychod Czech Republic CZE 11.3 Jan Sosna Szymon Walter 1/2-1/2 49 Open
2 2024-03-03 TCh-CZE 1 Liga Vychod Czech Republic CZE 9.3 Jan Sosna Vit Kostka 1/2-1/2 56 Open
3 2024-02-18 TCh-CZE 1 Liga Vychod Czech Republic CZE 8.3 Matyas Zeman Jan Sosna 0-1 59 Open
4 2024-02-04 TCh-CZE 1 Liga Vychod Czech Republic CZE 7.3 Jan Sosna Petr Pisk 1/2-1/2 13 Open
5 2024-01-21 TCh-CZE 1 Liga Vychod Czech Republic CZE 6.3 Bayarjavkhlan Delgerdalai Jan Sosna 1/2-1/2 65 Open
6 2024-01-07 TCh-CZE 1 Liga Vychod Czech Republic CZE 5.2 Jaroslav Mojzis Jan Sosna 1/2-1/2 11 Open
7 2023-12-10 TCh-CZE 1 Liga Vychod Czech Republic CZE 4.2 Jan Sosna Martin Fargac 0-1 48 Open
8 2023-11-26 TCh-CZE 1 Liga Vychod Czech Republic CZE 3.2 Petr Gnojek Jan Sosna 1-0 34 Open
9 2023-11-12 TCh-CZE 1 Liga Vychod Czech Republic CZE 2.3 Radek Sluka Jan Sosna 1/2-1/2 36 Open
10 2023-10-22 TCh-CZE 1 Liga Vychod Czech Republic CZE 1.3 Roman Chytilek Jan Sosna 1/2-1/2 10 Open
11 2023-04-02 TCh-CZE 1 Liga Vychod Czech Republic CZE 11.4 David Shengelia Jan Sosna 1-0 47 Open
12 2023-04-01 TCh-CZE 1 Liga Vychod Czech Republic CZE 10.4 Jan Sosna Vaclav Fiala 0-1 38 Open
13 2023-02-26 TCh-CZE 1 Liga Vychod Czech Republic CZE 9.6 Jan Sosna Radoslaw Jedynak 0-1 25 Open
14 2023-02-25 TCh-CZE 1 Liga Vychod Czech Republic CZE 8.5 Lumir Mrazek Jan Sosna 1/2-1/2 42 Open
15 2023-01-29 TCh-CZE 1 Liga Vychod Czech Republic CZE 7.4 Jan Sosna Adam Frank 0-1 47 Open
16 2023-01-15 TCh-CZE 1 Liga Vychod Czech Republic CZE 6.3 Patrik Stepan Jan Sosna 0-1 43 Open
17 2022-12-11 TCh-CZE 1 Liga Vychod Czech Republic CZE 5.4 Jan Sosna Martin Frolik 1-0 40 Open
18 2022-11-27 TCh-CZE 1 Liga Vychod Czech Republic CZE 4.4 Jakub Roubalik Jan Sosna 1-0 31 Open
19 2022-11-26 TCh-CZE 1 Liga Vychod Czech Republic CZE 3.3 Jan Sosna Vlastimil Babula 0-1 31 Open
20 2022-03-27 TCh-CZE 1 Liga Vychod Czech Republic CZE 11.4 Jan Sosna Ondrej Ondracek 1/2-1/2 23 Open
21 2022-03-26 TCh-CZE 1 Liga Vychod Czech Republic CZE 10.3 Piotr Piesik Jan Sosna 1-0 46 Open
22 2022-02-20 TCh-CZE 1 Liga Vychod Czech Republic CZE 9.5 Jakub Stancik Jan Sosna 1/2-1/2 48 Open
23 2022-02-19 TCh-CZE 1 Liga Vychod Czech Republic CZE 8.5 Jan Sosna Jakub Roubalik 1/2-1/2 26 Open
24 2022-01-23 TCh-CZE 1 Liga Vychod Czech Republic CZE 7.1 Roman Chytilek Jan Sosna 1/2-1/2 10 Open
25 2022-01-22 TCh-CZE 1 Liga Vychod Czech Republic CZE 6.1 Jan Sosna Arnost Gibiec 1/2-1/2 36 Open
26 2021-12-12 TCh-CZE 1 Liga Vychod Czech Republic CZE 5.2 Ondrej Svanda Jan Sosna 1/2-1/2 47 Open
27 2021-11-28 TCh-CZE 1 Liga Vychod Czech Republic CZE 4.4 Jakub Fuksik Jan Sosna 1/2-1/2 36 Open
28 2021-11-27 TCh-CZE 1 Liga Vychod Czech Republic CZE 3.3 Jakub Kusa Jan Sosna 1/2-1/2 68 Open
29 2021-10-10 TCh-CZE 1 Liga Vychod Czech Republic CZE 2.3 Kacper Tomaszewski Jan Sosna 1/2-1/2 44 Open
30 2020-06-14 TCh-CZE 1 Liga Vychod Czech Republic CZE 11.4 Eva Kulovana Jan Sosna 1/2-1/2 27 Open
31 2020-06-13 TCh-CZE 1 Liga Vychod Czech Republic CZE 10.5 Vaclav Mitura Jan Sosna 0-1 26 Open
32 2020-03-01 TCh-CZE 1 Liga Vychod Czech Republic CZE 9.6 Olga Sikorova Jan Sosna 1/2-1/2 44 Open
33 2020-02-16 TCh-CZE 1 Liga Vychod Czech Republic CZE 8.1 Jan Sosna Filip Neumann 1/2-1/2 26 Open
34 2020-02-02 TCh-CZE 1 Liga Vychod Czech Republic CZE 7.6 Jan Sosna Jakub Rabatin 1-0 35 Open
35 2020-01-19 TCh-CZE 1 Liga Vychod Czech Republic CZE 6.2 David Holemar Jan Sosna 1/2-1/2 34 Open
36 2020-01-05 TCh-CZE 1 Liga Vychod Czech Republic CZE 5.5 Jan Sosna Vladimir Belunek 1-0 38 Open
37 2019-12-08 TCh-CZE 1 Liga Vychod Czech Republic CZE 4.3 Vladimir Pala Jan Sosna 1/2-1/2 44 Open
38 2019-11-24 TCh-CZE 1 Liga Vychod Czech Republic CZE 3.4 Vlastimil Nedela Jan Sosna 1/2-1/2 66 Open
39 2019-11-10 TCh-CZE 1 Liga Vychod Czech Republic CZE 2.4 Jan Sosna Martina Mareckova 1-0 71 Open
40 2019-10-20 TCh-CZE 1 Liga Vychod Czech Republic CZE 1.3 Jan Sosna Radomir Caletka 1/2-1/2 37 Open
41 2019-04-21 TCh-CZE Extraliga 2018-19 Czech Republic CZE 11.2 Jan Sosna Jan Slampa 1/2-1/2 47 Open
42 2019-04-20 TCh-CZE Extraliga 2018-19 Czech Republic CZE 10.2 Eduard Meduna Jan Sosna 1/2-1/2 30 Open
43 2019-04-07 TCh-CZE 1 Liga Vychod Czech Republic CZE 11.4 Antonin Neoral Jan Sosna 0-1 87 Open
44 2019-03-24 TCh-CZE 1 Liga Vychod Czech Republic CZE 10.4 Jan Sosna Milan Pastircak 1/2-1/2 15 Open
45 2019-03-03 TCh-CZE 1 Liga Vychod Czech Republic CZE 9.4 Jozef Kourek Jan Sosna 1/2-1/2 41 Open
46 2019-02-17 TCh-CZE 1 Liga Vychod Czech Republic CZE 8.3 Karolina Pilsova Jan Sosna 1/2-1/2 25 Open
47 2019-02-03 TCh-CZE 1 Liga Vychod Czech Republic CZE 7.4 Milan Walek Jan Sosna 0-1 47 Open
48 2019-01-20 TCh-CZE 1 Liga Vychod Czech Republic CZE 6.5 Jiri Kozel Jan Sosna 1/2-1/2 64 Open
49 2019-01-06 TCh-CZE 1 Liga Vychod Czech Republic CZE 5.5 Jan Sosna Piotr Majocha 1/2-1/2 50 Open
50 2018-12-09 TCh-CZE 1 Liga Vychod Czech Republic CZE 4.4 Jan Sosna Vlastimil Piza 1-0 49 Open

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