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Individual Calculations June 2023 |
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| Goudriaan, Rafael Total change: -70.40 | |   |
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| Dutch Championship 2023 - U18 | Almelo | NED | 2023-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 1993 | 2.00 | 6 | -2.06 | 40 | -82.40 | |
|  Wierenga, Jael | | | 1772 | NED | 0.00 | 1 | -0.78 | 40 | -31.20 | |  Bon, Gijs | | | 1805 | NED | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Moskalets, Sofiia | | | 1721 | UKR | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Van Rootselaar, Rik | | | 1812 | NED | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Groen, Jari | | | 2028 | NED | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Boeren, Jurriaan | | | 1979 | NED | 0.50 | 1 | -0.02 | 40 | -0.80 | |
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) | | | | 15th BPB Limburg Open 2023 Group A | Maastricht | NED | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 2032 | 2.50 | 7 | 0.30 | 40 | 12.00 | |
| | Mullink, Jochem | | | 2128 | NED | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Schleipfenbauer, Frank | | | 2133 | NED | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Noiroux, Kevin | | | 2189 | BEL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Hoerr, Matthias | | | 2103 | GER | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Ratsma, Midas | f | | 2243 | NED | 1.00 | 1 | 0.77 | 40 | 30.80 | | | De Vleeschauwer, Maarten | | | 2293 | BEL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Wecker, Martin | | | 2126 | GER | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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) | | |
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