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Individual Calculations April 2008 |
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| Sirpas, Argiris Total change: 14.70 | |   |
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| Tessaloniki-Halkidiki Clubs Youth Champ U18 2007 | Thessaloniki | GRE | 2007-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1895 | 1763 | 1.00 | 1 | 0.68 | 15 | 10.20 | |
|  Tsagkalidis, Alexandros | | | 1895 | GRE | 1.00 | 1 | 0.68 | 15 | 10.20 | |
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) | | | | Open Indiv. Greek Champ. 2008 - Preliminary Phase | Thessaloniki | GRE | 2007-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2036 | 1763 | 1.00 | 4 | 0.30 | 15 | 4.50 | |
|  Valden, Petros | | | 2113 | GRE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Petsetidi, Maria | | | 1996 | GRE | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Kirgeridis, Panagiotis | | | 2017 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Gountras, Klearhos | | | 2016 | GRE | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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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