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Individual Calculations May 2023 |
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| Berkley, Stephen W Total change: -19.60 | |   |
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| 65th Southend Easter Congress - U1900 | Southend-on-Sea | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1642 | 1635 | 0.00 | 2 | -0.98 | 20 | -19.60 | |
|  Laundy, Peter R | | | 1783 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Lawrence, Simon | | | 1501 | ENG | 0.00 | 1 | -0.68 | 20 | -13.60 | |
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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