Koscielski, J
Last game 2023
Rating
peak 2354 · latest 2260Games
43
Wins
9
Draws
10
Losses
24
Peak Elo
2354
32.6% score
As White
| C48 | Four Knights Game: Spanish Variation | 3 | 83.3% |
| B40 | Sicilian Defense: French Variation, Westerinen Attack | 2 | 25.0% |
As Black
| A05 | King's Indian Attack: Symmetrical Defense | 2 | 25.0% |
| E62 | King's Indian Defense: Fianchetto Variation, Larsen Defense | 2 | 50.0% |
| E92 | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | 2 | 0.0% |
Recent games
| Stachanczyk, J2189 | 0-1 | Koscielski, J2260 | Titled Tue 24th Jan Late | 2023 |
| Koscielski, J2260 | 1-0 | Vaglio, J2174 | Titled Tue 24th Jan Late | 2023 |
| Antonio, J2277 | 1-0 | Koscielski, J2260 | Titled Tue 24th Jan Late | 2023 |
| Floresvillar Gonzalez, L2075 | 1-0 | Koscielski, J2260 | Titled Tue 24th Jan Late | 2023 |
| Koscielski, J2260 | ½-½ | Wartiovaara, Oliver2253 | Titled Tue 24th Jan Late | 2023 |
| Koscielski, J2260 | 0-1 | Goncalves, Davi Sulzbacher2282 | Titled Tue 24th Jan Late | 2023 |
| Stead, K1952 | 0-1 | Koscielski, J2260 | Titled Tue 24th Jan Late | 2023 |
| Koscielski, J2260 | 0-1 | Sukandar, I2395 | Titled Tue 24th Jan Late | 2023 |
| Iskusnyh, S2443 | 1-0 | Koscielski, J2260 | Titled Tue 24th Jan Late | 2023 |
| Costachi, M2476 | 1-0 | Koscielski, J2260 | Titled Tue 24th Jan Late | 2023 |
| Koscielski, J2260 | 1-0 | Grinev, V2425 | Titled Tue 24th Jan Late | 2023 |
| Herman, Daniel1957 | 1-0 | Koscielski, J2260 | Titled Tue 10th Jan Late | 2023 |
| Koscielski, J2260 | 0-1 | Sargsyan, Anna M.2361 | Titled Tue 10th Jan Late | 2023 |
| Kacprzak, Karol2226 | 1-0 | Koscielski, J2260 | European Blitz 2022 | 2022 |
| Koscielski, J2260 | 0-1 | Kacprzak, Karol2226 | European Blitz 2022 | 2022 |