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Individual Calculations June 2023 |
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| Costa, Vittorio Total change: 27.20 | |   |
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| CIS 2023 - Serie Promozione Emilia-Romagna Girone 4 | Piacenza | ITA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1414 | 1229 | 2.00 | 2 | 1.36 | 20 | 27.20 | |
|  Rivi, Gian Carlo | | | 1180 | ITA | 1.00 | 1 | 0.43 | 20 | 8.60 | |  Tirelli, Stefano | | | 1647 | ITA | 1.00 | 1 | 0.93 | 20 | 18.60 | |
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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