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Individual Calculations May 2015 |
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| Kouvidis, Ioannis Total change: 58.00 | |   |
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| Individual Championship of Heraklion 8-16 2015 Boys & Girls ESSK | Heraklio Crete | GRE | 2015-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1285 | 1053 | 1.00 | 4 | 0.14 | 40 | 5.60 | |
|  Tselos, Aristotelis | | | 1303 | GRE | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Koutsaftis, Efstratios | | | 1342 | GRE | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Aggelakis, Ilias | | | 1196 | GRE | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Brokalakis - Gounaris, Christos | | | 1297 | GRE | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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) | | | | 14th Open Heraklio 2015 - A group | Heraklio Crete | GRE | 2015-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1335 | 1053 | 2.00 | 4 | 1.31 | 40 | 52.40 | |
| | Memos, Ioannis | | | 1453 * | GRE | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Koutsaftis, Efstratios | | | 1342 | GRE | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Brokalakis - Gounaris, Christos | | | 1297 | GRE | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Koutsourakis, Emmanouil | | | 1248 | GRE | 1.00 | 1 | 0.75 | 40 | 30.00 | | | * 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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