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Individual Calculations May 2019 |
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| Gruenfeld, Yehuda Total change: -5.10 | |   |
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| Liga Artzit Darom 2019 Round 6 | Various | ISR | 2019-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2428 | 0.50 | 1 | -0.19 | 10 | -1.90 | |
|  Efroimski, Marsel | | wg | 2287 | ISR | 0.50 | 1 | -0.19 | 10 | -1.90 | |
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) | | | | 2019 World Senior Team Chess Championships open 50plus | Rhodes | GRE | 2019-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2235 | 2428 | 6.00 | 9 | -0.32 | 10 | -3.20 | |
|  Harlinska, Sandra | | | 2028 * | LAT | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Homer, Stephen J | | | 2039 | ENG | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Petrosian, Arshak B | g | | 2470 | ARM | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Bruno, Fabio | m | | 2433 | ITA | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Jeske, Kirsten | | | 2028 * | GER | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Titorenko, Natalia I | | wm | 2153 | RUS | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Yermolinsky, Alex | g | | 2508 | USA | 0.00 | 1 | -0.39 | 10 | -3.90 | | | Durante, Aurelio | | | 2028 * | URU | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Thorhallsson, Throstur | g | | 2425 | ISL | 0.00 | 1 | -0.50 | 10 | -5.00 | | | * 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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