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Individual Calculations August 2019 |
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| Kostelidis, Georgios Total change: 71.20 | |   |
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| Spring open Chess Square 2019 | Athens | GRE | 2019-05-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1467 | 1230 | 2.00 | 5 | 0.83 | 40 | 33.20 | |
|  Tsilivakos, Emmanouil | | | 1630 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Merkos, Thomas | | | 1630 * | GRE | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Tourkolias, Dimitrios | | | 1498 | GRE | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Hartofylakas, Nikolaos | | | 1210 | GRE | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Ampatzis, Stergios | | | 1369 | GRE | 1.00 | 1 | 0.69 | 40 | 27.60 | | | * 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) | | | | 2019 Greek Youth Championships Finals - open U12 | Patra | GRE | 2019-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1390 | 1288 | 3.50 | 7 | 0.95 | 40 | 38.00 | |
| | Yannopapas, Leontios | | | 1451 | GRE | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Karamichos, Michail | | | 1553 | GRE | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Giannoulis, Grigorios | | | 1449 | GRE | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Tsouchnikas, Georgios | | | 1351 | GRE | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Alexopoulos, Georgios | | | 1045 | GRE | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Tsourekas, Kyriakos | | | 1454 | GRE | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Gioutsos, Vasileios | | | 1426 | GRE | 1.00 | 1 | 0.69 | 40 | 27.60 | |
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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