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Individual Calculations June 2021 |
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| Bonaccorso, Mario Total change: 24.80 | |   |
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| CIG 2021 - CP Catania U14 | Motta Sant'Anastasia | ITA | 2021-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1233 | 1261 | 2.50 | 3 | 0.89 | 40 | 35.60 | |
|  Bonaccorso, Vincenzo | | | 1185 | ITA | 1.00 | 1 | 0.40 | 40 | 16.00 | |  Russo, Luigi | | | 1171 | ITA | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Cambria, Chiara | | | 1344 | ITA | 1.00 | 1 | 0.61 | 40 | 24.40 | |
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) | | | | CIG 2021 - CR Sicilia U14 | Marsala | ITA | 2021-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1589 | 1261 | 0.00 | 2 | -0.27 | 40 | -10.80 | |
| | Zoncu, Roberto Alessio | | | 1661 * | ITA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Montalto, Davide | | | 1517 | ITA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | * 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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