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Individual Calculations May 2017 |
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| Petrakis, Stylianos Total change: 16.00 | |   |
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| 2017 Youth Championships of Chania - open 16 | Chania | GRE | 2017-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1646 | 1883 | 4.00 | 5 | 0.26 | 40 | 10.40 | |
|  Chompitakis, Konstantinos | | | 1659 | GRE | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Alygizakis, Apostolos | | | 1483 * | GRE | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Kotsoglou, Georgios | | | 1483 * | GRE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kanteraki, Maria-Myrto | | | 1483 * | GRE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Georgakopoulos, Nikolaos K. | | | 2122 | GRE | 0.00 | 1 | -0.20 | 40 | -8.00 | | | * 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) | | | | Youth Boys-Girls U8 - U18 Finals 2017 - E.S.S.K. | ESSK | GRE | 2017-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1883 | 2.50 | 4 | 0.14 | 40 | 5.60 | |
| | Georgakopoulos, Nikolaos K. | | | 2122 | GRE | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Serpetsidakis, Nikolaos | | | 1994 | GRE | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Magoulianos, Nikolaos | | | 1483 * | GRE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kiriakakis, Ioannis | | | 1534 | GRE | 1.00 | 1 | 0.11 | 40 | 4.40 | | | * 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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