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Individual Calculations July 2021 |
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| Zagaglia, Matteo Total change: -8.00 | |   |
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| CIG 2021 - CP AN-AP-FM-MC-PU U18 | San Severino Marche | ITA | 2021-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1217 | 1342 | 1.50 | 3 | -0.46 | 40 | -18.40 | |
|  Del Pupo, Ludovica | | | 1140 | ITA | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Seghetta, Giulia | | | 1421 | ITA | 0.50 | 1 | 0.11 | 40 | 4.40 | |  Serafini, Pedro | | | 1089 | ITA | 0.50 | 1 | -0.31 | 40 | -12.40 | |
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) | | | | CIG 2021 - CR Marche U14 | Civitanova Marche | ITA | 2021-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1282 | 1342 | 2.00 | 3 | 0.26 | 40 | 10.40 | |
| | Pietroni, Costantino | | | 1215 | ITA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Bolognini, Chiara | | | 1390 | ITA | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Pigini, Francesco | | | 1241 | ITA | 0.00 | 1 | -0.64 | 40 | -25.60 | |
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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