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Individual Calculations May 2019 |
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| Sands, David A Total change: 11.60 | |   |
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| 2019 Welsh Championships | Cardiff | WLS | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 2109 | 4.50 | 7 | 0.58 | 20 | 11.60 | |
|  Fathallah, Joe | | | 1958 | WLS | 1.00 | 1 | 0.30 | 20 | 6.00 | |  Garcia, Jason | | | 2024 | WLS | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Kett, Tim | | | 2197 | WLS | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Brown, Thomas | | | 2079 | WLS | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Bullen, Alex | c | | 2100 | WLS | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Pleasants, Allan J | | | 2075 | WLS | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Young, Alan | | | 2021 | WLS | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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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