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Individual Calculations May 2018 |
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| Costin, Petrica Total change: 21.60 | |   |
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| Petra Weekend no.16 | Satu Mare | ROU | 2018-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2172 | 2096 | 3.50 | 6 | 1.08 | 20 | 21.60 | |
|  Chereches, Marius-Cristian | f | | 2160 | HUN | 1.00 | 1 | 0.59 | 20 | 11.80 | |  Samu, Sorin-Mihai | | | 2089 | ROU | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Miron, Ionel | | | 2047 | ROU | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Suciu, Dinu-Simi | f | | 2121 | ROU | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Florescu, Codrut-Constantin | m | | 2308 | ROU | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Nester, Ihor | m | | 2309 | UKR | 0.50 | 1 | 0.27 | 20 | 5.40 | |
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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