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Individual Calculations December 2020 |
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| Fontana, Alessandro Total change: -3.80 | |   |
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| OP 4 Hotel Astoria | Fermo | ITA | 2020-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1620 | 1466 | 1.50 | 4 | 0.18 | 20 | 3.60 | |
|  Pierantozzi, Stanislao | | | 1866 * | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Grilli, Stefano | | | 1566 | ITA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Pierantozzi, Matteo | | | 1750 | ITA | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Piccoli, Loren | | | 1299 | ITA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | * 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) | | | | WE 18 Lazio Scacchi - B | Roma | ITA | 2020-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1466 | 1.00 | 3 | -0.37 | 20 | -7.40 | |
| | De Lisa, Carmine | | | 1619 | ITA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Nardoni, Matteo | | | 1243 | ITA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Losi, Paolo | | | 1627 | ITA | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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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