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Individual Calculations May 2023 |
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| Mantazis, Georgios Rafail Total change: 24.80 | |   |
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| 2023 Team Championship of ESSTH-CHALK - POA Rounds 6-9 | ESSTHES-CHALK | GRE | 2023-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1377 | 1407 | 1.50 | 2 | 0.42 | 40 | 16.80 | |
|  Peikos, Rafail | | | 1348 | GRE | 1.00 | 1 | 0.42 | 40 | 16.80 | |  Marinidis, Stavros | | | 1405 | GRE | 0.50 | 1 | 0.00 | 40 | 0.00 | |
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) | | | | 2023 Youth Championship of ESSTH-CHALK U14 open | Thessaloniki | GRE | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1324 | 1379 | 2.50 | 6 | -0.92 | 40 | -36.80 | |
| | Mitsopoulos, Ioannis | | | 1095 | GRE | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Gerasopoulos, Nikolaos | | | 1583 | GRE | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Tzontas, Konstantinos | | | 1211 | GRE | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Antoniadis, Nikolaos P | | | 1283 | GRE | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Chasiotis, Odysseas | | | 1408 | GRE | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Farmakis, Ioannis K | | | 1361 | GRE | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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 Greek Junior U20 National Championship | Trikala | GRE | 2023-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1518 | 1379 | 4.50 | 9 | 1.12 | 40 | 44.80 | |
| | Karamichos, Michail | | | 1887 | GRE | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Ntalas, Panagiotis | | | 1155 | GRE | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Mihailidou, Magdalini | | | 1852 | GRE | 0.50 | 1 | 0.45 | 40 | 18.00 | | | Margaritis, Ioannis M | | | 1587 | GRE | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Karageorgos, Athanasios | | | 1047 | GRE | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Papadopoulos, Filippos | | | 1716 | GRE | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Thanatis, Thomas | | | 1173 | GRE | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Moysidis, Anastasios | | | 1402 | GRE | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Papaoulakis, Isidoros | | | 1839 | GRE | 0.00 | 1 | -0.05 | 40 | -2.00 | |
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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