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Individual Calculations January 2013 |
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| Petrakis, Nikolaos Total change: 15.90 | |   |
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| Individual Championship of Heraklion U18 2012 Boys | Heraklio | GRE | 2012-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1612 | 1587 | 3.50 | 5 | 1.06 | 15 | 15.90 | |
|  Vitsaxakis, Nikolaos | | | 1472 | GRE | 1.00 | 1 | 0.34 | 15 | 5.10 | |  Kadianis, Georgios | | | 1624 | GRE | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Vagionakis, Markos | | | 1586 | GRE | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Magoulianos, Nikolaos | | | 1391 | GRE | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Naoum, Spyridon | | | 1987 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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