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Individual Calculations February 2018 |
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| Kalpakidis, Konstantinos Total change: -16.00 | |   |
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| 10th open SO Rodou Ippotis - Katsaras Grigoris | Rodos | GRE | 2017-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1518 | 1356 | 0.50 | 3 | -0.41 | 40 | -16.40 | |
|  Rousos, Stamatios | | | 1682 | GRE | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Rousos, Ioannis | | | 1382 | GRE | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Frontzos, Ioannis | | | 1491 | GRE | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | | NOTE: K factor changed | | 2018 International Chess Tournament White Tower 40 years - B group | Thessaloniki | GRE | 2018-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1270 | 1356 | 2.50 | 4 | 0.02 | 20 | 0.40 | |
| | Arzoumanidis, Alexandros | | | 1092 | GRE | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Tsolaki, Eleni | | | 1692 | GRE | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Kalogridis, Themistoklis | | | 1130 | GRE | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Karamichos, Michail | | | 1167 | GRE | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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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