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Individual Calculations July 2023 |
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| Businski, Jan Total change: 19.20 | |   |
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| Z Serca do Szachow (6) turniej A | Sokolka | POL | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1279 | 1280 | 3.00 | 6 | -0.03 | 40 | -1.20 | |
|  Pawluczuk, Maciej | | | 1004 | POL | 0.50 | 1 | -0.33 | 40 | -13.20 | |  Krysiewicz, Zofia | | | 1148 | POL | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Perkowski, Dawid | | | 1066 | POL | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Mykhaliuk, Mykhailo | | | 1606 | POL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Czarnowicz, Michal | | | 1378 | POL | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Obuchowicz, Jerzy | | | 1471 | 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) | | | | Mistrzostwa Wojewodztwa Podlaskiego Juniorow 2023 - C12 | Suprasl | POL | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1280 | 2.50 | 4 | 0.51 | 40 | 20.40 | |
| | Boguszewski, Kacper | | | 1230 | POL | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Obrycki, Tomasz | | | 1757 | POL | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Piktel, Marcel | | | 1051 | POL | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Pieszko, Antoni | | | 1225 | POL | 1.00 | 1 | 0.42 | 40 | 16.80 | |
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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