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Individual Calculations January 2018 |
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| Petsas, Spyridon Total change: -24.00 | |   |
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| 52nd Piraeus Championship Stelios Psaras Memorial | Piraeus | GRE | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1742 | 2.00 | 6 | -0.84 | 20 | -16.80 | |
|  Poulos, Georgios | | | 2017 | GRE | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Sidiropoulos, Nikolaos | | | 2064 | GRE | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Mataragkas, Georgios | | | 1456 | GRE | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Kampitsis, Vasilios | | | 1847 | GRE | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Papadopoulos, Dimitrios Ath | | | 1572 | GRE | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Asvestopoulou, Evdokia | | | 1654 | GRE | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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) | | | | Attica Team Cup Lazaros Drepaniotis 2017 | Attica | GRE | 2017-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1742 | 0.00 | 1 | -0.36 | 20 | -7.20 | |
| | Kampitsis, Vasilios | | | 1847 | GRE | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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) | | |
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