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Individual Calculations June 2021 |
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| Vannelli, Vittorio Total change: -16.20 | |   |
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| WE 20 Lazio Scacchi - A | Roma | ITA | 2021-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1568 | 1.50 | 5 | -0.06 | 20 | -1.20 | |
|  Duraccio, Walter Mattia | | | 1917 | ITA | 0.50 | 1 | 0.39 | 20 | 7.80 | |  Agostini, Maurizio | | | 1848 | ITA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Fontana, Alessandro | | | 1486 | ITA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Buffoni, Luca | | | 1799 | ITA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Pisano, Giulia | | | 1587 | ITA | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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 2 Primavera a Roma 2021 - A | Roma | ITA | 2021-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1639 | 1568 | 1.00 | 4 | -0.75 | 20 | -15.00 | |
| | Beccarini, Giacomo | | | 1968 * | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Pastore, Cosmas | | | 1857 | ITA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Nassa, Nicolas | | | 1304 | ITA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Abuhamdieh, Nando | | | 1426 | ITA | 0.00 | 1 | -0.69 | 20 | -13.80 | | | * 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) | | |
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