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Individual Calculations March 2023 |
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| Ward-Riggs, Samuel Total change: -38.80 | |   |
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| London Chess League Weekend Congress - U1800 | London | ENG | 2023-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1413 | 1555 | 1.50 | 5 | -1.94 | 20 | -38.80 | |
|  Boozorginia, Zoya | | | 1319 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Bertesi, Andrea | | | 1446 | ITA | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Campion, Rohan | | | 1479 | ENG | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Isaacs, Ruairi | | | 1399 | ENG | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Macleod, Andrew | | | 1422 | ENG | 0.50 | 1 | -0.18 | 20 | -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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