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Individual Calculations January 2019 |
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| Perrotta, Nicola Total change: -23.20 | |   |
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| WE 5 Vesuvio Chess Festival - B | Boscotrecase | ITA | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1708 | 1542 | 0.00 | 4 | -1.16 | 20 | -23.20 | |
|  Boccia, Giovanni | | | 1708 | ITA | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Taurisano, Vincenzo | | | 1743 | ITA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Condorelli, Pietro | | | 1567 | ITA | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Di Muccio, Lindoro | | | 1813 | ITA | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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) | | |
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