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Individual Calculations January 2011 |
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| Ontabasidis, Aristidis Total change: -13.50 | |   |
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| INDIVIDUAL CHESS CHAMPIONSHIP OF CHANIA 2011 - OPEN U18 | Chania | GRE | 2010-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1521 | 0.00 | 3 | -0.45 | 25 | -11.25 | |
|  Naoum, Spyridon | | | 1921 * | GRE | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Komninos, Charalampos | | | 1717 | GRE | 0.00 | 1 | -0.25 | 25 | -6.25 | |  Kalogeris, Ioannis | | | 1853 | GRE | 0.00 | 1 | -0.12 | 25 | -3.00 | | | * 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) | | | | 3rd Greek Team Championship Under 16 - 2010 | Vrahati, Korinthos | GRE | 2010-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1398 | 1521 | 2.50 | 4 | -0.09 | 25 | -2.25 | |
| | Tsatsoulis, Periklis | | | 1505 | GRE | 1.00 | 1 | 0.48 | 25 | 12.00 | | | Oikonomou, Panagiotis Ch | | | 1541 | GRE | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Kokkota, Fotini | | | 1201 | GRE | 0.50 | 1 | -0.37 | 25 | -9.25 | | | Paterakis, Emmanouil | | | 1343 | GRE | 0.00 | 1 | -0.73 | 25 | -18.25 | |
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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