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Individual Calculations May 2017 |
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| Giuffrida, Ignazio Total change: -42.40 | |   |
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| 49 CIS - Serie B Girone 16 | Aci Castello | ITA | 2017-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 1877 | 1.00 | 4 | -1.06 | 40 | -42.40 | |
|  Arico , Maurizio | | | 1803 | ITA | 0.50 | 1 | -0.10 | 40 | -4.00 | |  Melato, Pierpaolo | | | 1917 | ITA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Bottini, Paolo | | | 1868 | ITA | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Risicato, Alfredo | | | 1871 | ITA | 0.00 | 1 | -0.51 | 40 | -20.40 | |
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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