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Individual Calculations July 2023 |
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| Riekenbrauk, Joerg Total change: -32.60 | |   |
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| NRW-Klasse 2 2022-2023 May 2023 | various | GER | 2023-05-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1797 | 1917 | 1.00 | 2 | -0.32 | 20 | -6.40 | |
|  Waterfield, Mark | | | 1745 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | |  Kellermann, Nicolas | | | 1849 | GER | 0.50 | 1 | -0.09 | 20 | -1.80 | |
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) | | | | European Senior Chess Championship 2023 over 50 - Open | Acqui Terme | ITA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1917 | 3.50 | 9 | -1.31 | 20 | -26.20 | |
| | Dishman, Stephen | f | | 2259 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Nanni, Sergio | | | 1506 | ITA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Rapaire, Jean-Michel | | | 1689 | MNC | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Cardili, Mariano | | | 2038 | ITA | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Meessen, Rudolf | f | | 2155 | BEL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Puroila, Sippo | | | 1840 | FIN | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Dieli, Riccardo | | | 1733 | ITA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Llopis De Aysa, Manuel | c | | 2018 | ESP | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Ronzano, Luca | | | 1745 | ITA | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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) | | |
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