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Individual Calculations May 2019 |
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| Kett, Tim Total change: 11.40 | |   |
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| 2019 Welsh Championships | Cardiff | WLS | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2197 | 5.50 | 7 | 0.51 | 20 | 10.20 | |
|  Yeo, Gareth | | | 1963 | WLS | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Brown, Thomas | | | 2079 | WLS | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Sands, David A | | | 2109 | WLS | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Camp, Imogen A L | | wc | 1827 | WLS | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Jameson, David | | | 2081 | WLS | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Garcia, Jason | | | 2024 | WLS | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Bullen, Alex | c | | 2100 | WLS | 0.50 | 1 | -0.13 | 20 | -2.60 | |
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) | | | | Welsh Chess Premier League 2018/2019 Round 5 | Neath | WLS | 2019-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2242 | 2197 | 0.50 | 1 | 0.06 | 20 | 1.20 | |
| | Williams, A. Howard | f | | 2242 | WLS | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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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