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Individual Calculations February 2023 |
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| Boettcher, Frank, Dr. Total change: -1.40 | |   |
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| Deutsche Schach-Amateurmeisterschaft 2022-2023 Q2 C | Potsdam | GER | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1815 | 2.50 | 4 | -0.07 | 20 | -1.40 | |
|  Mertens, Richard | | | 1728 | GER | 0.00 | 1 | -0.62 | 20 | -12.40 | |  Marnyuk, Serhiy | | | 1743 | GER | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Rodriguez Klasen, Ennio | | | 1415 * | GER | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Heyn, Peter | | | 1866 | GER | 1.00 | 1 | 0.57 | 20 | 11.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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