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Individual Calculations May 2015 |
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| Westerweele, Henrik Total change: -17.00 | |   |
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| Dutch Team Competition 2014-2015 - 3G - round 8-9 | Various | NED | 2015-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1923 | 1.00 | 2 | -0.04 | 20 | -0.80 | |
|  Goossens, Pieter | | | 1922 | NED | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Le Clercq, Maxim | | | 1897 | NED | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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) | | | | 2015 World Amateur Chess Championships - Open | Porto Carras - Halkidiki | GRE | 2015-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1923 | 4.00 | 7 | -0.81 | 20 | -16.20 | |
| | Zavivaev, Ilya | | | 1605 | RUS | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Tarraf, Tarraf | | | 1712 | LIB | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Limono, Handjojo | | | 1844 | INA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Giordos, Vasilios | | | 1896 | GRE | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Matei, Raul-Cornel | | | 1787 | ROU | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Jassem, Philippe | | | 1819 | BEL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Dagonia, Steve | | | 1775 | FRA | 0.50 | 1 | -0.20 | 20 | -4.00 | |
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) | | |
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