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Individual Calculations May 2023 |
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| Kett, Tim Total change: -18.80 | |   |
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| Bristol Open Spring Congress - 89th Bristol League Championship | Bristol | ENG | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 2124 | 2.50 | 5 | -1.74 | 20 | -34.80 | |
|  Vijayakumar, Rishi | | | 1843 | SCO | 0.00 | 1 | -0.84 | 20 | -16.80 | |  Lesniowski, Paul | | | 1840 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Liu, Tianyi (jack) | | | 1847 | ENG | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Fowler, Hugo | | | 1878 | WLS | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Murawski, Jan | | | 1726 | ENG | 1.00 | 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) | | | | 2023 Welsh Championship | Cardiff | WLS | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2090 | 4.50 | 7 | 0.66 | 20 | 13.20 | |
| | Davis, Lee | | | 1906 | WLS | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Kozusek, Daniel | f | | 2331 | WLS | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Smith, Lynda | | wc | 1786 | WLS | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Fowler, Hugo | | | 1890 | WLS | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Everett, Elijah | | | 2202 | WLS | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Fathallah, Joe | | | 1980 | WLS | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Toczek, Grzegorz | f | | 2260 | WLS | 0.00 | 1 | -0.28 | 20 | -5.60 | |
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 Open 2023 Round 3 | Bridgend | WLS | 2023-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2192 | 2090 | 0.50 | 1 | 0.14 | 20 | 2.80 | |
| | Varley, Peter | f | | 2192 | WLS | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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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