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Individual Calculations December 2019 |
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| Marcozzi, Piero Total change: -14.20 | |   |
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| OP 2 San Severino Marche U1600 | San Severino Marche | ITA | 2019-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1289 | 0.50 | 2 | -0.31 | 20 | -6.20 | |
|  Bolognini, Chiara | | | 1355 | ITA | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Trevisan, Stefano | | | 1365 | ITA | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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 22 Porto Sant'Elpidio | Porto Sant'Elpidio | ITA | 2019-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1659 | 1289 | 0.00 | 4 | -0.40 | 20 | -8.00 | |
|  Brugnoni, Lorenzo | | | 1689 * | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Vannicola, Roberto | | | 1596 | ITA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Calvigioni, Matteo | | | 1689 * | ITA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Pocognoli, Gianfranco | | | 1662 | ITA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | * 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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