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Individual Calculations September 2023 |
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| Gran, Rahim Total change: 11.60 | |   |
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| 2023 Calchess Senior Championship | Berkeley, Ca | USA | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1629 | 2.00 | 4 | 0.29 | 40 | 11.60 | |
|  Taylor, Timothy W | m | | 2103 | USA | 0.00 | 1 | -0.05 | 40 | -2.00 | |  Soltani, Mohammad | | | 1339 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Del Rosario, Frisco | | | 1708 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Lehman, Clarence E | | | 1678 | USA | 1.00 | 1 | 0.57 | 40 | 22.80 | |
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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