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Individual Calculations May 2023 |
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| Siemes, Robert Total change: -28.40 | |   |
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| Offene internationale NRW-Einzelmeisterschaft 2023 | Krefeld | GER | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1796 | 1881 | 1.50 | 6 | -2.17 | 20 | -43.40 | |
|  Pham, Khoi | f | | 2355 | NED | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Helmer, Jan | | | 2090 | GER | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Bui, Hoan Tam | | | 1591 | GER | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Ploch, Matthias | | | 1615 | GER | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Gierhardt, Vito | | | 1532 | GER | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Mekus, Manuela | | | 1593 | GER | 0.50 | 1 | -0.34 | 20 | -6.80 | |
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) | | | | Deutsche Schach-Amateurmeisterschaft 2022-2023 Q7 B | Darmstadt | GER | 2023-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1881 | 2.00 | 4 | 0.75 | 20 | 15.00 | |
| | Meuer, David | | | 1934 | GER | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Oezdemir, Ali Oezden | | | 2035 | GER | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Kasueschke, Lars | | | 2050 | GER | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Siebarth, Marco | | | 2070 | GER | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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) | | |
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