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Individual Calculations May 2023 |
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| Skodras, Marios Konstantinos Total change: -19.20 | |   |
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| 2023 Youth Championship of ESSTH-CHALK U14 open | Thessaloniki | GRE | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1328 | 1651 | 5.00 | 7 | -0.94 | 40 | -37.60 | |
|  Tzontas, Konstantinos | | | 1211 | GRE | 1.00 | 1 | 0.06 | 40 | 2.40 | |  Balafoutas, Alexandros | | | 1343 | GRE | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Margaritis, Ioannis M | | | 1587 | GRE | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Kalyvas, Georgios A | | | 1192 | GRE | 1.00 | 1 | 0.05 | 40 | 2.00 | | | Karakotsios, Konstantinos | | | 1431 | GRE | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Tsompanis, Charalampos Sviatoslav | | | 1251 * | GRE | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Antoniadis, Nikolaos P | | | 1283 | GRE | 1.00 | 1 | 0.10 | 40 | 4.00 | | | * 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) | | | | 2023 World School Chess Championships - open U13 | Rhodes | GRE | 2023-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1627 | 1651 | 5.50 | 9 | 0.46 | 40 | 18.40 | |
| | Dzhumakanov, Kuanysh | | | 1332 | KAZ | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Kazhmuratov, Altair | | | 1546 | KAZ | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Zhu, Pengxiao | | | 1494 | ENG | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Siddarth, Sriaditya Kunapuli | | | 1478 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Felix, Raphael | | | 1472 | RSA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Mamedov, Edgar | | | 2248 | KAZ | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Kiryttopoulos, Panagiotis Aris | | | 1555 | GRE | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Cankurt, Arda | | | 1725 | TUR | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Kabinazar, Nurmukhammed | | | 1793 | KAZ | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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) | | |
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