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Individual Calculations December 2017 |
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| Costin, Petrica Total change: 33.80 | |   |
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| Petra Weekend no.11 | Satu Mare | ROU | 2017-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 2059 | 6.00 | 7 | 1.69 | 20 | 33.80 | |
|  Marchis, Arghil | | | 1914 | HUN | 1.00 | 1 | 0.31 | 20 | 6.20 | |  Veklinec, Andrei | | | 1938 | ROU | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Ceres, Dragos | | | 2140 | MDA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Remetean, Vasile | | | 1781 | ROU | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Chereches, Marius-Cristian | f | | 2207 | HUN | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Sogor, Andras-Csaba | | | 1846 | ROU | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Deac, David | | | 1933 | ROU | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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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