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Individual Calculations December 2021 |
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| Petkakis, Odysseas Total change: 43.20 | |   |
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| 10th Round Robin D group | Larisa | GRE | 2021-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1174 | 1025 | 2.50 | 7 | 0.26 | 40 | 10.40 | |
|  Papapanagiotou, Achilleas | | | 1156 | GRE | 0.00 | 1 | -0.32 | 40 | -12.80 | |  Christodoulopoulou, Antonia | | | 1167 | GRE | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Siakavaras, Ioannis | | | 1417 | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Petrou, Georgios | | | 1036 | GRE | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Antoniou Tragoudas, Ioannis | | | 1312 | GRE | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Lykou, Vasiliki | | | 1004 | GRE | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Kountrias, Kosmas Ioannis | | | 1124 | GRE | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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) | | | | 2021 team cup of Thessalia | TESSTH | GRE | 2021-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1425 | 1025 | 1.00 | 1 | 0.92 | 40 | 36.80 | |
| | Mantzanas, Konstantinos | | | 1425 * | GRE | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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) | | | | 2021 youth U16 team Championship of Thessalia | TESSTH | GRE | 2021-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1396 | 1025 | 0.00 | 1 | -0.10 | 40 | -4.00 | |
| | Giannopoulos, Vasileios | | | 1396 | GRE | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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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