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Individual Calculations October 2021 |
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| Gkiokas, Charisis Total change: -2.40 | |   |
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| 2021 junior U20 National Championship - open | Trikala | GRE | 2021-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1543 | 1414 | 1.00 | 5 | -0.90 | 40 | -36.00 | |
|  Magalakis, Stefanos | | | 1814 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Krallis, Christos | f | | 1814 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bougas, Georgios | | | 1125 | GRE | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Pavlidis, Pavlos | | | 1814 * | GRE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Margaritis, Ioannis M | | | 1149 | GRE | 0.50 | 1 | -0.32 | 40 | -12.80 | | | * 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) | | | NOTE: K factor changed | | 2021 team championship of TESS Thessalias POA | Larisa | GRE | 2021-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1414 | 3.00 | 3 | 1.68 | 20 | 33.60 | |
| | Gkavardinas, Christos Konstantino | | | 1604 | GRE | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Giannopoulos, Vasileios | | | 1380 | GRE | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Raftopoulos, Emmanouil | | | 1399 | GRE | 1.00 | 1 | 0.48 | 20 | 9.60 | |
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) | | |
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