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Individual Calculations July 2023 |
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| Chiummo, Sergio Total change: -5.60 | |   |
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| OP Settimanale Trofeo Sebeto Rounds 4-5-6 | Napoli | ITA | 2023-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1417 | 1676 | 2.00 | 3 | -0.28 | 20 | -5.60 | |
|  Radice, Mario | | | 1729 | ITA | 0.50 | 1 | 0.07 | 20 | 1.40 | |  Chiappinelli, Massimo | | | 1247 | ITA | 0.50 | 1 | -0.43 | 20 | -8.60 | | | De Lucia, Alfredo | | | 1276 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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