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Individual Calculations July 2017 |
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| Costin, Petrica Total change: 23.20 | |   |
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| Petra Weekend no.8 | Satu Mare | ROU | 2017-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 2076 | 4.50 | 6 | 1.16 | 20 | 23.20 | |
|  Bonte, Arghir | | | 1897 | ROU | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Chereches, Marius-Cristian | f | | 2256 | HUN | 1.00 | 1 | 0.74 | 20 | 14.80 | |  Suciu, Dinu-Simi | f | | 2171 | ROU | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Follert, Iuliu | | | 1949 | ROU | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Samu, Sorin-Mihai | | | 2050 | ROU | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Deac, David | | | 1866 | ROU | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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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