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Individual Calculations November 2019 |
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| Garcia, Jason Total change: 6.80 | |   |
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| 52nd West Wales Open 2019 | Swansea | WLS | 2019-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 2050 | 3.50 | 5 | 0.09 | 20 | 1.80 | |
|  Brown, Geoffrey M | | | 1861 | ENG | 0.50 | 1 | -0.25 | 20 | -5.00 | |  Haigh, Tony | | | 1761 | WLS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Cheung, Ryan | | | 1650 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hilton, Tim | | | 1868 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Kozusek, Daniel | f | | 2338 | CZE | 0.00 | 1 | -0.16 | 20 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 2019/2020 Round 1 | Neath | WLS | 2019-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2241 | 2050 | 0.50 | 1 | 0.25 | 20 | 5.00 | |
| | Williams, A. Howard | f | | 2241 | WLS | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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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