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Individual Calculations September 2022 |
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| Kerr, Grant Total change: 9.20 | |   |
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| 30. Offene Senioren-LEM Sachsen-Anhalt over 65 | Magdeburg | GER | 2022-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 1732 | 1.00 | 2 | 0.46 | 20 | 9.20 | |
|  Kollberg, Lothar | | | 2007 | GER | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Dellos, Peter | | | 1826 | GER | 1.00 | 1 | 0.63 | 20 | 12.60 | |
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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