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Individual Calculations August 2015 |
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| Tsotras, Ioannis Total change: 17.60 | |   |
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| Spring open Chesssquare 2015 | Ambelokipi | GRE | 2015-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1382 | 1153 | 1.00 | 4 | -0.03 | 40 | -1.20 | |
|  Loukopoulos, Stefanos | | | 1031 | GRE | 1.00 | 1 | 0.33 | 40 | 13.20 | |  Mokas, Vasilios | | | 1553 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Megaloudis, Petros | | | 1546 | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Georgitsi, Antigoni | | | 1398 | 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) | | | | 2015 Greek Youth Championships - open 12 | Rio Achaia | GRE | 2015-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1309 | 1153 | 3.00 | 8 | 0.47 | 40 | 18.80 | |
| | Zgouletas, Ioannis | | | 1519 | GRE | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Blitsas, Orestis | | | 1311 | GRE | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Kokkalis, Grigorios | | | 1307 | GRE | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Georgiou, Anastasios | | | 1006 | GRE | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Oumoutidis, Christos | | | 1370 | GRE | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Goutis, Panagiotis | | | 1453 | GRE | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Pelantakis, Mihail | | | 1418 | GRE | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Nteligiorgis, Eleftherios | | | 1084 | GRE | 0.00 | 1 | -0.60 | 40 | -24.00 | |
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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