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Individual Calculations September 2021 |
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| Van Der Voorde, Sonja Total change: -60.80 | |   |
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| 36ste Open van Geraardsbergen 2021 | Geraardsbergen | BEL | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1466 | 1429 | 1.50 | 6 | -1.33 | 20 | -26.60 | |
|  Beukenhorst, Edo | | | 1829 * | BEL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Valembois, Pierre | | | 1102 | BEL | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Knol, Jeffrey | | | 1145 | NED | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Schellenberger, Dirk | | | 1655 | GER | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Boumrar, Emma | | | 1239 | FRA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Macai, Ioan | | | 1828 | BEL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | | | Brugse Meesters - Belgian Open Championship 2021 B-group | Brugge | BEL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1395 | 1429 | 1.00 | 5 | -1.71 | 20 | -34.20 | |
| | Eveleens, Ed | | | 1699 | NED | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Marechal, Georges | | | 1641 | BEL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Oloeriu, Lacramioara | | | 1110 | BEL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Faybish, Dana | | | 1254 | BEL | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Akulov, Yaroslav | | | 1270 | BEL | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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) | | |
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