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Individual Calculations September 2021 |
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| Van De Kelder, Yves Total change: -10.80 | |   |
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| 36ste Open van Geraardsbergen 2021 | Geraardsbergen | BEL | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1872 | 1472 | 0.00 | 1 | -0.08 | 20 | -1.60 | |
|  Van Der Meiden, Dirk | | | 1872 * | NED | 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 |
| 1575 | 1472 | 1.00 | 4 | -0.46 | 20 | -9.20 | |
| | Sarkisian, Arman | | | 1680 | BEL | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Akulov, Vsevolod | | | 1203 | BEL | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Eveleens, Ed | | | 1699 | NED | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Van Den Berg, Jaap | | | 1718 | NED | 0.00 | 1 | -0.19 | 20 | -3.80 | |
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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