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Individual Calculations September 2018 |
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| Costin, Petrica Total change: -0.40 | |   |
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| Petra Weekend no.19 | Satu Mare | ROU | 2018-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2248 | 2145 | 2.50 | 6 | 0.29 | 20 | 5.80 | |
|  Samu, Sorin-Mihai | | | 2090 | ROU | 0.00 | 1 | -0.58 | 20 | -11.60 | |  Meszaros, Andras | m | | 2256 | HUN | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Balla, Tamas-Kristof | m | | 2352 | ROU | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Nester, Ihor | m | | 2305 | UKR | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Bogdan, Dan | m | | 2382 | ROU | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Dostan, Janos | f | | 2102 | HUN | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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) | | | | International Chess Festival Satu Mare - Iuliu Szabo Memorial | Satu Mare | ROU | 2018-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2145 | 5.00 | 8 | -0.31 | 20 | -6.20 | |
| | Coroian, Sebastian-Dumitru | | | 1745 * | ROU | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Petrisor, Adrian-Marian | m | | 2416 | ROU | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Ambru, Dan-Calin | | | 2013 | ROU | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Radu, Eudochia | | | 1745 * | ROU | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Miloi, Pavel-Dan | | | 2037 | ROU | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Veklinec, Andrei | | | 1960 | ROU | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Schneider, Erik | | | 1745 * | ROU | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Volosin, Vladimir | f | | 2286 | HUN | 1.00 | 1 | 0.69 | 20 | 13.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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