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Individual Calculations April 2023 |
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| Przybylik, Mariusz Total change: 11.80 | |   |
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| 268th YMCA Winter 2023-D Round 8 | Warszawa | POL | 2023-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1137 | 1123 | 1.00 | 1 | 0.52 | 20 | 10.40 | |
|  Domanski, Andrzej | | | 1137 | POL | 1.00 | 1 | 0.52 | 20 | 10.40 | |
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) | | | | 268th YMCA Winter 2023-D Round 9-11 | Warszawa | POL | 2023-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1138 | 1112 | 1.00 | 2 | 0.07 | 20 | 1.40 | |
| | Jaworowski, Andre | | | 1095 | USA | 0.50 | 1 | -0.02 | 20 | -0.40 | |  Brzostek, Piotr | | | 1180 | POL | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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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