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Individual Calculations April 2023 |
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| Kett, Tim Total change: -34.40 | |   |
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| Welsh Spring Open 2023 | Cardiff | WLS | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1771 | 2124 | 3.00 | 4 | -0.46 | 20 | -9.20 | |
|  Wu, Yuxuan | | | 1549 | WLS | 0.50 | 1 | -0.48 | 20 | -9.60 | |  Kong, Emma Zihan | | | 1724 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rathbone-Jones, Ifan | | | 1934 | WLS | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Fowler, Hugo | | | 1878 | WLS | 0.50 | 1 | -0.31 | 20 | -6.20 | | | * 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 Open 2023 Round 2 | Bridgend | WLS | 2023-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2076 | 2124 | 0.50 | 1 | -0.07 | 20 | -1.40 | |
| | Smith, Olivia | | wf | 2076 | WLS | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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) | | | | 2022/23 4NCL Division 1 Rounds 7-8 | Daventry | ENG | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 2124 | 0.00 | 2 | -1.19 | 20 | -23.80 | |
| | Stewart, Ashley | | | 2055 | ENG | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Kisteneva, Liza | | wf | 2057 | ENG | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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) | | |
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