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Individual Calculations September 2018 |
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| Kay, Lee P Total change: 8.20 | |   |
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| 12th Leyland Chess Congress | Leyland | ENG | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 1940 | 2.00 | 4 | 0.41 | 20 | 8.20 | |
|  Surtees, Mike J | | | 2146 | ENG | 1.00 | 1 | 0.76 | 20 | 15.20 | |  Lyth, John D | | | 1970 | ENG | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Bryant, Richard B E | | | 1925 | ENG | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Peacock, Malcolm R | | | 2034 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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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