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Individual Calculations May 2019 |
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| Brown, Thomas Total change: 6.80 | |   |
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| 2018/19 4NCL Div 3 South Rounds 7 - 8 | Daventry | ENG | 2019-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2079 | 1.00 | 2 | -0.12 | 20 | -2.40 | |
|  Forster, Matthew | | | 1856 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | |  Martin, Lewis | f | | 2196 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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) | | | | 2019 Welsh Championships | Cardiff | WLS | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2079 | 4.50 | 7 | 0.04 | 20 | 0.80 | |
| | Jones, Derek | | | 1925 | WLS | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Kett, Tim | | | 2197 | WLS | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Rathbone-Jones, Ifan | | | 1854 | WLS | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Sands, David A | | | 2109 | WLS | 0.50 | 1 | 0.04 | 20 | 0.80 | | | McGregor, John | | | 1856 | WLS | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Camp, Imogen A L | | wc | 1827 | WLS | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Garcia, Jason | | | 2024 | WLS | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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 |
| 2024 | 2079 | 1.00 | 1 | 0.42 | 20 | 8.40 | |
| | Garcia, Jason | | | 2024 | WLS | 1.00 | 1 | 0.42 | 20 | 8.40 | |
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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