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Individual Calculations May 2019 |
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| Koornstra, Robbert-Jan Total change: 14.80 | |   |
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| Belgian Interclubs 2018-2019 Rount 10 | Various | BEL | 2019-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 1703 | 0.50 | 1 | -0.06 | 20 | -1.20 | |
|  Roosen, Stefan | | | 1663 | BEL | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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) | | | | Belgian Youth Championship 2019 -20 | Blankenberge | BEL | 2019-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1766 | 1700 | 4.50 | 9 | 0.80 | 20 | 16.00 | |
| | Bratuszewski, Jorden | | | 2061 | BEL | 0.50 | 1 | 0.40 | 20 | 8.00 | |  Ghyselen, Tim | | | 1770 | BEL | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Ismail, Tamer | | | 1954 | BEL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Leyssens, Bas | | | 1606 | BEL | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Pfeiffer, Noah | | | 1771 | BEL | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Verboven, Arnout | | | 1780 | BEL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Huttl, Sofie | | | 1767 | BEL | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Condes, Alexie Sheen | | | 1300 * | BEL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Huygebaert, Batist | | | 1886 | BEL | 0.50 | 1 | 0.24 | 20 | 4.80 | | | * 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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