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Individual Calculations December 2021 |
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| De Boer, Bas Total change: -6.80 | |   |
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| 4. DPI BDO Schach-Open Leer A-Open | Leer | GER | 2021-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 2167 | 4.00 | 7 | -0.10 | 20 | -2.00 | |
|  Verbitsky, Jaroslaw | | | 1862 | GER | 0.50 | 1 | -0.36 | 20 | -7.20 | |  Petri, Ben-Luca | | | 1820 | GER | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Hintze, Helge | f | | 2283 | GER | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Van Osch, Mees | f | | 2307 | NED | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Peist, Juergen | f | | 2314 | GER | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Meyling, Lennart | | | 2052 | GER | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Helmer, Jan | | | 1984 | GER | 1.00 | 1 | 0.26 | 20 | 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) | | | | Dutch Team Competition 2021-2022 - Klasse 2 Round 3 | various | NED | 2021-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2155 | 0.50 | 1 | -0.24 | 20 | -4.80 | |
| | Schram, Tjitze | | | 1971 | NED | 0.50 | 1 | -0.24 | 20 | -4.80 | |
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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