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Individual Calculations December 2018 |
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| Luciani, Marco Total change: -15.60 | |   |
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| OP San Severino Marche U1600 | San Severino Marche | ITA | 2018-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1164 | 1369 | 1.50 | 3 | -0.78 | 20 | -15.60 | |
|  Foni, Gianmarco | | | 1183 | ITA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Calvigioni, Matteo | | | 1078 | ITA | 0.00 | 1 | -0.85 | 20 | -17.00 | |  Boresta, Sofia | | | 1230 | ITA | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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