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Individual Calculations June 2023 |
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| Cosci, Martino Total change: 19.20 | |   |
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| Torneo One day Round Robin di Prato - Girone 4 | Prato | ITA | 2023-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1395 | 1386 | 0.50 | 1 | 0.01 | 40 | 0.40 | |
|  Sergi, Alessandro | | | 1395 | ITA | 0.50 | 1 | 0.01 | 40 | 0.40 | |
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) | | | | CIS 2023 - Serie Promozione Toscana Girone 2 | Campi Bisenzio | ITA | 2023-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1374 | 1386 | 1.50 | 2 | 0.47 | 40 | 18.80 | |
| | Donzellotti, Giuseppe | | | 1399 | ITA | 1.00 | 1 | 0.52 | 40 | 20.80 | |  Liuzzi, Piergiuseppe | | | 1349 | ITA | 0.50 | 1 | -0.05 | 40 | -2.00 | |
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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