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Individual Calculations May 2017 |
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| Petragnani, Gian Giacomo Total change: -10.60 | |   |
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| OP 15 Infrasettimanale ARS | Roma | ITA | 2017-03-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 1586 | 1.00 | 5 | -0.53 | 20 | -10.60 | |
|  Macchini, Bruno | | | 1856 | ITA | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Albore, Daniele | | | 1723 | ITA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Coqueraut, Jean Dominique | | | 1739 | ITA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Pellegrini, Ennio Paolo | | | 1533 | ITA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Golino, Giovanni | | | 1862 | ITA | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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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