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Individual Calculations September 2023 |
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| Ehrich, Dieter Total change: -7.40 | |   |
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| 19. Rostocker Schach-Open 2023 | Rostock | GER | 2023-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1734 | 1540 | 0.50 | 3 | -0.37 | 20 | -7.40 | |
|  Noack, Thomas | | | 1976 | GER | 0.00 | 1 | -0.06 | 20 | -1.20 | |  Raitza, Egon | | | 1713 | GER | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Stepanjan, Marianne | | | 1514 | GER | 0.00 | 1 | -0.54 | 20 | -10.80 | |
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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