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Individual Calculations April 2023 |
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| Valli, Marco Total change: -13.20 | |   |
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| OP Roma 2023 | Roma | ITA | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1421 | 1671 | 3.00 | 5 | -0.82 | 20 | -16.40 | |
|  Moreno, Giovanni | | | 1271 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Francario, Felice Maria | | | 1352 | ITA | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Laforgia, Gaia Camilla Federica | | | 1270 | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Vivo, Domenico Pio | | | 1330 | ITA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Farina, Saverio | | | 1883 | ITA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | * 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) | | | | OP Primavera a Roma 2023 | Roma | ITA | 2023-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1671 | 1.00 | 3 | 0.16 | 20 | 3.20 | |
| | Vertuccio, Roberto | | | 1757 | ITA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Agostini, Maurizio | | | 1842 | ITA | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Stirpe, Claudio | | | 1924 | ITA | 0.00 | 1 | -0.19 | 20 | -3.80 | |
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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