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Individual Calculations June 2015 |
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| Bosboom, Ardin Total change: 8.40 | |   |
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| BPB Limburg Open 2015 - Groep B | Maastricht | NED | 2015-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1839 | 2.50 | 5 | 0.21 | 40 | 8.40 | |
|  Van Der Valk, Reiner Dr. | | | 1759 | GER | 1.00 | 1 | 0.39 | 40 | 15.60 | |  Hoornstra, Hans | | | 1955 | NED | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Tangelder, Yonne | | | 1887 | NOR | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Mestrom, Ton | | | 1729 | NED | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Cornelius, Jorg | | | 2022 | BEL | 0.00 | 1 | -0.26 | 40 | -10.40 | |
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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