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Individual Calculations August 2015 |
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| Vizirakis, Antonios Total change: 32.80 | |   |
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| 2015 Greek Youth Championships - open 10 | Rio Achaia | GRE | 2015-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1139 | 1176 | 1.50 | 3 | -0.16 | 40 | -6.40 | |
|  Nikolakopoulos, Dimitrios | | | 1092 | GRE | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Pilalis, Ernestos | | | 1105 | GRE | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Diamantakos, Sotirios | | | 1220 | GRE | 0.50 | 1 | 0.06 | 40 | 2.40 | |
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) | | | | 8th international open of Paleohora | Paleohora Chania Crete | GRE | 2015-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1441 | 1176 | 2.50 | 7 | 0.98 | 40 | 39.20 | |
| | Iordanidou, Zoi | | | 1576 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Taranger, Rune | | | 1576 * | NOR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rizos, Spyridon Th. | | | 1248 | GRE | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Zakharova, Diana | | | 1576 * | RUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dimitriadis, Panagiotis | | | 1460 | GRE | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Kaliontzakis, Iakovos | | | 1075 | GRE | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Longo, Giovanni | | | 1576 * | ITA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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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