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Individual Calculations February 2023 |
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| Kolyvas, Aris Total change: -2.00 | |   |
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| Christmas open chess square 2022 | Athens | GRE | 2022-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1437 | 1469 | 2.00 | 4 | -0.20 | 20 | -4.00 | |
|  Gkogka, Elvis | | | 1264 | GRE | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Mylonakis, Ioannis | | | 1810 | GRE | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Ntovas, Dimitrios | | | 1205 | GRE | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Antoniadis, Anastasios | | | 1468 | GRE | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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) | | | | New Year's Heraklio 2023 U2023 | Heraklio Attikis | GRE | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1504 | 1469 | 3.00 | 6 | 0.10 | 20 | 2.00 | |
| | Bourhas, Orfeas | | | 1811 | GRE | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Kastanas, Evangelos | | | 1078 | GRE | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Atanasov, Margarit | | | 2010 | BUL | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Papadopoulos, Emanouil | | | 1186 | GRE | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Matziaras, Athanasios | | | 1227 | GRE | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Vazelakis, Dimitrios | | | 1710 | GRE | 0.50 | 1 | 0.30 | 20 | 6.00 | |
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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