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Individual Calculations April 2015 |
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| Costin, Petrica Total change: -9.60 | |   |
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| Satu Mare Chess Weekend no. 20 | Satu Mare | ROU | 2015-03-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 2205 | 5.00 | 7 | -0.48 | 20 | -9.60 | |
|  Sarivan, Margareta | | | 1921 | MDA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Muller, Wilhelm | | | 1927 | ROU | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Sogor, Andras-Csaba | | | 2035 | ROU | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Marchis, Arghil | | | 1919 | HUN | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Sarivan, Mircea | | | 2043 | MDA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Veklinec, Andrei | | | 1983 | ROU | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Follert, Iuliu | | | 2002 | ROU | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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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