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Individual Calculations January 2021 |
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| Castelfranchi, Carlo Total change: -22.60 | |   |
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| OP Inverno 2020 | Roma | ITA | 2020-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1650 | 1975 | 2.50 | 4 | -0.96 | 20 | -19.20 | |
|  Agostini, Maurizio | | | 1753 | ITA | 0.50 | 1 | -0.28 | 20 | -5.60 | |  Fiorentino, Vincenzo | | | 1675 | ITA | 0.00 | 1 | -0.85 | 20 | -17.00 | | | Rabiti, Roberto | | | 1575 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Maldonado, Stefano | | | 1597 | ITA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | * 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) | | | | WE 20 Grand Hotel Adriatico - A | Montesilvano | ITA | 2020-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 1975 | 2.50 | 5 | -0.17 | 20 | -3.40 | |
| | Carlo, Emanuele | | | 2288 | ITA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Girgenti, Giuseppe | | | 1913 | ITA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Adinolfi, Enrico | | | 1828 | ITA | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Martinelli, Valeria | | | 1880 | ITA | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Graziani, Sergio | | | 1894 | ITA | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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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