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Individual Calculations July 2023 |
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| Serpini, Piero Total change: 44.20 | |   |
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| CIS 2023 - Serie Promozione Campania | Nola | ITA | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1522 | 1725 | 4.00 | 5 | 0.29 | 40 | 11.60 | |
|  Maresca, Carmine | | | 1328 | ITA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Felice, Domenico | | | 1576 | ITA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Ponticelli, Carmine | | | 1685 | ITA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Pica, Victor | | | 1603 | ITA | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Reale, Ferdinando | | | 1417 | ITA | 0.50 | 1 | -0.36 | 40 | -14.40 | |
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) | | | NOTE: K factor changed | | CR Campania 2023 | Pomigliano d'Arco | ITA | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1872 | 1725 | 3.00 | 4 | 1.63 | 20 | 32.60 | |
| | Coppola, Matteo | | | 1325 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Di Stasio, Giuseppe Danilo | | | 1876 | ITA | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Messina, Enrico | | | 2131 | ITA | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Paduano, Claudio | c | | 2154 | ITA | 0.00 | 1 | -0.07 | 20 | -1.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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