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Individual Calculations June 2023 |
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| Externbrink, Uwe Total change: 2.40 | |   |
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| 63. Offene Koelner Stadtmeisterschaft | Koeln | GER | 2023-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1626 | 1.00 | 3 | 0.06 | 40 | 2.40 | |
|  Grabowski, Pawel | f | | 2217 | POL | 0.00 | 1 | -0.02 | 40 | -0.80 | |  Koehler, Arnold | | | 1348 | GER | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Kanli, Kaan | | | 2006 | TUR | 0.00 | 1 | -0.09 | 40 | -3.60 | |
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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