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Individual Calculations June 2015 |
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| Kostelidis, Georgios Total change: 26.00 | |   |
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| 2015 youth championhips ESSNA - open 8 | Athens | GRE | 2015-04-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1182 | 1004 | 1.50 | 2 | 0.96 | 40 | 38.40 | |
|  Mastrokostopoulos, Konstantinos | | | 1129 | GRE | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Samaras, Vasileios | | | 1235 | GRE | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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) | | | | 2015 Youth U14 Team champoinship ESSNA | Athens | GRE | 2015-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1146 | 1004 | 0.00 | 1 | -0.31 | 40 | -12.40 | |
|  Psathakis, Ioannis | | | 1146 | GRE | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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) | | |
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