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Individual Calculations February 2019 |
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| Sands, David A Total change: 23.40 | |   |
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| South Wales New Year Open 2019 | Bridgend | WLS | 2019-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2086 | 3.50 | 4 | 1.17 | 20 | 23.40 | |
|  Turner, Joseph David | | | 1862 | WLS | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Jukes, Sam | | | 1914 | WLS | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Young, Alan | | | 2048 | WLS | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Toczek, Grzegorz | f | | 2263 | WLS | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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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