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Individual Calculations April 2021 |
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| Costabile, Vincenzo Total change: -32.20 | |   |
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| OP Inverno a Roma 2021 | Roma | ITA | 2021-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1761 | 1892 | 2.00 | 4 | -0.58 | 20 | -11.60 | |
|  Marsico, Mario | | | 1492 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Vannelli, Vittorio | | | 1564 | ITA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Carola, Paolo | | | 1764 | ITA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | D Antonio, Neri | | | 2222 | ITA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | * 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 Primavera a Roma 2021 - A | Roma | ITA | 2021-03-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1828 | 1904 | 2.00 | 5 | -1.03 | 20 | -20.60 | |
| | Fiorentino, Vincenzo | | | 1728 | ITA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Pein, Jonathan | c | | 2160 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Pellegrini, Ennio Paolo | | | 1696 | ITA | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Beliman, Alexandro | | | 1771 | ITA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Bonelli, Federico | | | 1787 | ITA | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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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