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Individual Calculations June 2023 |
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| Costantino, Guido Total change: 12.80 | |   |
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| CP Roma 2023 | Roma | ITA | 2023-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1856 | 3.00 | 4 | 0.19 | 20 | 3.80 | |
|  Pacitti, Federico | | | 1456 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Corvi, Maddalena | | | 1503 | ITA | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Elia, Alessio | | | 1833 | ITA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | D`amore, Emanuele | | | 1874 | ITA | 0.50 | 1 | 0.03 | 20 | 0.60 | | | * 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) | | | | CIS 2023 - Serie A2 Girone 4 | Montesilvano | ITA | 2023-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1937 | 1856 | 2.00 | 4 | 0.45 | 20 | 9.00 | |
| | Pecci, William | | | 1955 | ITA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Martiradonna, Vito | | | 1456 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ballotti, Luca | c | | 2161 | ITA | 1.00 | 1 | 0.86 | 20 | 17.20 | | | Dobboletta, Alex | | | 2176 | ITA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | * 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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