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Individual Calculations July 2023 |
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| Serafin, Franciszek Total change: 14.00 | |   |
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| Mistrzostwa Powiatu Wolominskiego - A (FIDE) | Wolomin | POL | 2023-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1486 | 1257 | 1.50 | 3 | 0.54 | 40 | 21.60 | |
|  Cwiek, Ryszard | | | 1906 | POL | 0.00 | 1 | -0.01 | 40 | -0.40 | |  Kalata, Kacper | | | 1167 | POL | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Ejsymont, Eryk | | | 1384 | POL | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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) | | | | Druzynowe Mistrzostwa Polski Juniorow - II liga 2023 | Sypniewo | POL | 2023-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1387 | 1257 | 0.50 | 2 | -0.19 | 40 | -7.60 | |
| | Gawlik, Olivier | | | 1530 | POL | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Krzyzek, Daniel | | | 1244 | POL | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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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