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Individual Calculations June 2023 |
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| Ziehm, Robert Total change: -39.60 | |   |
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| TK 1800 plus majowka 2023 SP 25 | Olsztyn | POL | 2023-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1292 | 1500 | 1.00 | 4 | -1.98 | 20 | -39.60 | |
|  Szewczak, Filip | | | 1292 | POL | 0.00 | 1 | -0.77 | 20 | -15.40 | |  Woytitzki, Maja | | | 1156 | POL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Dietrich, Pawel | | | 1223 | POL | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Kopacki, Aleksander | | | 1497 | POL | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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) | | |
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