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Individual Calculations July 2021 |
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| Costa, Natalino Total change: -16.80 | |   |
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| CR Sicilia 2021 | Milazzo | ITA | 2021-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1605 | 1679 | 2.00 | 4 | -0.42 | 40 | -16.80 | |
|  Pennica, Andrea | | | 2034 | ITA | 0.00 | 1 | -0.11 | 40 | -4.40 | |  Agnello, Mario | | | 1395 | ITA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Zangla, Marcello | | | 1450 | ITA | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Franceschino, Luca | | | 1542 | ITA | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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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