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Individual Calculations May 2013 |
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| Margaritis, Georgios A. Total change: 18.90 | |   |
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| 2013 Individual Champ. of ESSK Qualifiers of Heraklio - Open U16 | Heraklio | GRE | 2013-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1582 | 1504 | 2.50 | 3 | 1.33 | 15 | 19.95 | |
|  Petrakis, Nikolaos | | | 1603 | GRE | 1.00 | 1 | 0.64 | 15 | 9.60 | |  Doriakis, Adam | | | 1574 | GRE | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Papadakis, Georgios D. | | | 1570 | GRE | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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) | | | | 2013 Individual Champ. of ESSK Finals - Open U8-16 | Crete | GRE | 2013-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 1504 | 0.50 | 3 | -0.07 | 15 | -1.05 | |
| | Papadakis, Georgios D. | | | 1570 | GRE | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Naoum, Spyridon | | | 1904 * | GRE | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kalogeris, Ioannis | | | 1904 * | 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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