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Individual Calculations July 2019 |
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| Den Boer, Paul Total change: -14.60 | |   |
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| Weekendtoernooi Groninger Combinatie | Groningen | NED | 2019-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1877 | 2.50 | 6 | -0.61 | 20 | -12.20 | |
|  Nicolai, Amir | | | 2095 | NED | 0.00 | 1 | -0.22 | 20 | -4.40 | |  Qatina, Waheeb | | | 1643 | NED | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Villwock, Martin | | | 2180 | GER | 0.00 | 1 | -0.14 | 20 | -2.80 | | | De Boer, Sake Jan | | | 1533 | NED | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Traetmar, Mattis | | | 1988 | GER | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Van Der Graaf, Jaap | | | 1700 | NED | 0.50 | 1 | -0.23 | 20 | -4.60 | |
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) | | | | 13th BPB Limburg Open 2019 Group B | Maastricht | NED | 2019-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1901 | 3.00 | 6 | 0.05 | 20 | 1.00 | |
| | Klein, Gernot Dr. | | | 1827 | GER | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Kastelijn, Twan | | | 2009 | NED | 0.50 | 1 | 0.15 | 20 | 3.00 | | | De Jong, Mathijs | | | 1965 | NED | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Jablonowski, Christoph | | | 1922 | GER | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Krosenbrink, Marcel | | | 1886 | NED | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Porteman, Eric | | | 1826 | BEL | 0.00 | 1 | -0.60 | 20 | -12.00 | |
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) | | | | HSG Open 2019 - groep B | Hilversum | NED | 2019-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1901 | 1.00 | 2 | -0.17 | 20 | -3.40 | |
| | Bettman, Jan | | | 1877 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Hoolsema, Maarten | | | 1801 | NED | 0.00 | 1 | -0.64 | 20 | -12.80 | |
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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