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Individual Calculations February 2023 |
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| Piekutowska, Lena Total change: 73.60 | |   |
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| Ursynowski Festiwal Szachowy - Grupa A 2023 | Warszawa | POL | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1333 | 1101 | 2.50 | 5 | 1.37 | 40 | 54.80 | |
|  Ejsymont, Eryk | | | 1390 | POL | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Walewska, Natalia | | | 1261 | POL | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Jankowski, Franciszek | | | 1504 | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Krawiec, Pawel | | | 1212 | POL | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Potynski, Hubert | | | 1296 | POL | 1.00 | 1 | 0.75 | 40 | 30.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Champ Bialystok 2023 OPEN | Bialystok | POL | 2023-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1376 | 1101 | 1.50 | 5 | 0.47 | 40 | 18.80 | |
| | Buklaho, Ignacy | | | 1351 | POL | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Graff, Slawomir | | | 1679 | POL | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Moroz, Adrian | | | 1399 | POL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Perkowski, Jakub | | | 1191 | POL | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Sienicki, Oliwier | | | 1258 | POL | 0.00 | 1 | -0.29 | 40 | -11.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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