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Individual Calculations September 2021 |
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| Vertuccio, Roberto Total change: 22.60 | |   |
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| WE La regina degli scacchi a Roma - C | Roma | ITA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1702 | 1756 | 4.00 | 5 | 1.13 | 20 | 22.60 | |
|  Maldonado, Stefano | | | 1645 | ITA | 0.50 | 1 | -0.15 | 20 | -3.00 | |  Gasperi, Fosco | | | 1739 | ITA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Mecali, Antonello | | | 1762 | ITA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Miosi, Francesco | | | 1694 | ITA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Graziani, Emma | | | 1669 | ITA | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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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