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Individual Calculations September 2021 |
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| Boer, Alef Total change: -31.60 | |   |
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| 36ste Open van Geraardsbergen 2021 | Geraardsbergen | BEL | 2021-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 2153 | 5.50 | 9 | -1.58 | 20 | -31.60 | |
|  Vanlommel, Maxim | | | 1753 * | BEL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Lui, Eric | | | 1868 | BEL | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Hol, Camile | | | 1904 | NED | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Langerak, Wouter | | | 2047 | NED | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Dugailliez, Guy | | | 1987 | BEL | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Spruit, Paul | | | 2003 | NED | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Veldhuizen, Martin | | | 1840 | NED | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Dekker, Jasper | | | 1813 | NED | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Dreelinck, Jacob | | | 1999 | BEL | 0.50 | 1 | -0.21 | 20 | -4.20 | | | * 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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