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Individual Calculations July 2021 |
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| Serafini, Pedro Total change: 16.40 | |   |
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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 |
| 1382 | 1089 | 0.50 | 2 | 0.19 | 40 | 7.60 | |
|  Seghetta, Giulia | | | 1421 | ITA | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Zagaglia, Matteo | | | 1342 | 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 | 1089 | 1.00 | 3 | 0.22 | 40 | 8.80 | |
| | Bolognini, Chiara | | | 1390 | ITA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Pietroni, Costantino | | | 1215 | ITA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Pigini, Francesco | | | 1241 | ITA | 1.00 | 1 | 0.70 | 40 | 28.00 | |
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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