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Individual Calculations May 2019 |
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| Young, Alan Total change: -6.40 | |   |
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| 2019 Welsh Championships | Cardiff | WLS | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 2021 | 4.00 | 7 | -0.10 | 20 | -2.00 | |
|  Rathbone-Jones, Ifan | | | 1854 | WLS | 0.50 | 1 | -0.22 | 20 | -4.40 | |  Van Kemenade, Rudy | | | 1925 | WLS | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Davis, Lee | | | 1922 | WLS | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Jones, Derek | | | 1925 | WLS | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Heaven, Pete | | | 2017 | WLS | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Fathallah, Joe | | | 1958 | WLS | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Sands, David A | | | 2109 | 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) | | | | Welsh Chess Premier League 2018/2019 Round 5 | Neath | WLS | 2019-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 2021 | 0.00 | 1 | -0.22 | 20 | -4.40 | |
| | Toczek, Grzegorz | f | | 2245 | WLS | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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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