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Individual Calculations October 2017 |
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| Dereka, Konstantina Total change: 2.00 | |   |
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| 14th open international tournament of Kalamaria 2017 - B | Kalamaria Thessaloniki | GRE | 2017-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1141 | 1200 | 3.00 | 5 | 0.12 | 40 | 4.80 | |
|  Petridis, Dimitrios Panagiotis | | | 1002 | GRE | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Kyparissopoulos, Spyridon | | | 1031 | GRE | 1.00 | 1 | 0.28 | 40 | 11.20 | |  Sioutopoulos, Christos | | | 1078 | GRE | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Tzontas, Athanasios | | | 1338 | GRE | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Mitsiou, Konstantinos | | | 1258 | GRE | 0.50 | 1 | 0.08 | 40 | 3.20 | |
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) | | | | 2nd open GS Farsalon 2017 | Farsala | GRE | 2017-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1470 | 1200 | 1.00 | 5 | -0.07 | 40 | -2.80 | |
| | Lagaras, Stylianos | | | 1600 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nikopoulos, Ioannis | | | 1600 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Koukouvinos, Vasilis | | | 1454 | GRE | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Agrafiotis, Ioannis Stylianos | | | 1097 | GRE | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Demiris, Georgios | | | 1600 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | |
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