FMMarek Kosiorek
POL · FIDE ID 1110284 · 22 tournament games since 2022
Standard
2191
#291 in POL (active)
Rapid
2255
#156 in POL (active)
Blitz
2218
#160 in POL (active)
Score
48%
7 W · 7 D · 8 L
Opp. avg
2156
Last 22 games
Last game
2025-06-02
XII KATOWICKI FESTIWAL SZACHOWY – OPEN | Boards 1-100
Prep summary
- As White: 1.e4 in 91% of games (scores 70%).
- Against 1.e4: 1...c5 in 3 of 7 games (Sicilian Defense), scoring 17%.
- Against 1.d4: 1...c5 in 2 of 3 games (Benoni Defense), scoring 75%.
- Comfort zone: Sicilian Defense: Delayed Alapin Variation, with d6 as White, 100% in 3 games.
- By colour: 68% with White, 27% with Black.
Based on 22 over-the-board games (11 rapid). 11 with White (68%), 11 with Black (27%).
Openings as White
First move
| 1.e4 | 10 | 70% |
| 1.c4 | 1 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Delayed Alapin Variation, with d6 | 3 | 100% |
| French Defense: Alekhine-Chatard Attack, Maróczy Variation | 1 | 100% |
| Sicilian Defense: Hyperaccelerated Dragon | 1 | 100% |
| Sicilian Defense: Delayed Alapin Variation, with e6 | 1 | 100% |
| Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | 1 | 50% |
Openings as Black
Against 1.e4 (7 games)
| 1...c5 Sicilian Defense | 3 | 17% |
| 1...c6 Caro-Kann Defense | 2 | 50% |
| 1...g6 Modern Defense | 1 | 0% |
Against 1.d4 (3 games)
| 1...c5 Benoni Defense | 2 | 75% |
| 1...Nf6 Indian Defense | 1 | 0% |
Most played
| Opening | Games | Score |
|---|---|---|
| Sicilian Defense: Taimanov Variation, Bastrikov Variation | 2 | 0% |
| Benoni Defense: Old Benoni | 1 | 50% |
| Modern Defense: Standard Defense | 1 | 0% |
| English Opening: Agincourt Defense | 1 | 0% |
| Benoni Defense: Semi-Benoni | 1 | 100% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2025-06-02 | Janusz Raszka (2043) XII KATOWICKI FESTIWAL SZACHOWY – OPEN | Boards 1-100 · rapid | W |
| 2025-06-02 | Aleksandra Lach (2102) XII KATOWICKI FESTIWAL SZACHOWY – OPEN | Boards 1-100 · rapid | W |
| 2025-05-31 | Igor Musial (2137) XII KATOWICKI FESTIWAL SZACHOWY – OPEN | Boards 1-100 · rapid | W |
| 2025-05-31 | Michal Smetek (2149) XII KATOWICKI FESTIWAL SZACHOWY – OPEN | Boards 1-100 · rapid | ½ |
| 2025-05-31 | Piotr Siedlinski (2020) XII KATOWICKI FESTIWAL SZACHOWY – OPEN | Boards 1-100 · rapid | W |
| 2025-05-31 | Kamil Warchol (2194) XII KATOWICKI FESTIWAL SZACHOWY – OPEN | Boards 1-100 · rapid | L |
| 2025-05-31 | Tomasz Bachor (2073) XII KATOWICKI FESTIWAL SZACHOWY – OPEN | Boards 1-100 · rapid | W |
| 2025-05-31 | Martyna Wikar (2155) XII KATOWICKI FESTIWAL SZACHOWY – OPEN | Boards 1-100 · rapid | L |
| 2025-05-31 | Wojciech Golenia (2179) XII KATOWICKI FESTIWAL SZACHOWY – OPEN | Boards 1-100 · rapid | L |
| 2025-05-31 | Pawel Brzezina (1984) XII KATOWICKI FESTIWAL SZACHOWY – OPEN | Boards 1-100 · rapid | W |
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.