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Individual Calculations December 2017 |
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| Marchis, Arghil Total change: 7.60 | |   |
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| Petra Weekend no.11 | Satu Mare | ROU | 2017-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 1914 | 2.50 | 6 | 0.38 | 20 | 7.60 | |
|  Costin, Petrica | f | | 2059 | ROU | 0.00 | 1 | -0.31 | 20 | -6.20 | |  Deac, David | | | 1933 | ROU | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Chereches, Marius-Cristian | f | | 2207 | HUN | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Sogor, Andras-Csaba | | | 1846 | ROU | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Ceres, Dragos | | | 2140 | MDA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Bonte, Arghir | | | 1997 | ROU | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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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