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Individual Calculations February 2019 |
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| Sarafis, Rafail Total change: 51.60 | |   |
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| Open Christmas tournament SA Chanion 2018 - B group | Chania | GRE | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1265 | 1069 | 1.00 | 1 | 0.75 | 40 | 30.00 | |
|  Skaraki, Georgia | | | 1265 | GRE | 1.00 | 1 | 0.75 | 40 | 30.00 | |
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) | | | | 22nd Greek Youth under 18 National Championship 2019 open | Rethymno | GRE | 2019-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1404 | 1069 | 1.50 | 7 | 0.54 | 40 | 21.60 | |
| | Marinakis, Hristos | | | 1469 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Pelantakis, Mihail | | | 1469 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Koutsourakis, Ioannis | | | 1469 * | GRE | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Dallis, Ioannis | | | 1313 | GRE | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Fraidakis, Emmanouil | | | 1172 | GRE | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Gavriilidis, Giorgos | | | 1469 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Fyntrilakis, Kyriakos | | | 1469 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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