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Individual Calculations April 2016 |
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| Costin, Petrica Total change: 32.80 | |   |
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| Petra Weekend no.2 | Satu Mare | ROU | 2016-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 2105 | 4.50 | 6 | 1.20 | 20 | 24.00 | |
|  Follert, Iuliu | | | 1953 | ROU | 0.50 | 1 | -0.20 | 20 | -4.00 | |  Remetean, Vasile | | | 1778 | ROU | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Chereches, Marius | f | | 2264 | HUN | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Florescu, Codrut-Constantin | m | | 2297 | ROU | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Veklinec, Andrei | | | 2009 | ROU | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Ambru, Dan-Calin | | | 2062 | ROU | 1.00 | 1 | 0.44 | 20 | 8.80 | |
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) | | | | Petra Weekend no.3 | Satu Mare | ROU | 2016-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 2047 | 4.00 | 6 | 1.56 | 20 | 31.20 | |
| | Florescu, Codrut-Constantin | m | | 2295 | ROU | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Samu, Sorin-Mihai | | | 2137 | ROU | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Veklinec, Andrei | | | 2025 | ROU | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Sogor, Andras-Csaba | | | 2012 | ROU | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Orban, Vasile-Gheorghe | | | 2014 | ROU | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Chereches, Marius | f | | 2252 | HUN | 1.00 | 1 | 0.76 | 20 | 15.20 | |
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) | | | | Ariston Open 2016 | Satu Mare | ROU | 2016-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 2047 | 3.50 | 7 | -1.12 | 20 | -22.40 | |
| | Korn, Lorant | | | 1753 | ROU | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Petre, Nad-Titus | m | | 2331 | ROU | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Dobrin, Catalin | | | 1790 | ROU | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Dombi, Rudolf | | | 1950 | ROU | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Didiliuc, Dariana-Gabriela | | | 1773 | ROU | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Follert, Iuliu | | | 1953 | ROU | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Cimpean, Andra | | | 1901 | ROU | 0.50 | 1 | -0.20 | 20 | -4.00 | |
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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