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Individual Calculations April 2024 |
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| Arkell, Keith C Total change: -8.60 | |   |
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| 5th Simon Bartlett Memorial Congress Torquay - Open Section | Torquay | ENG | 2024-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 2371 | 4.00 | 5 | -0.59 | 10 | -5.90 | |
|  Roberts, David L | | | 1972 | ENG | 0.50 | 1 | -0.42 | 10 | -4.20 | |  Zhu, Pengxiao | | | 1971 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Rami, Talab | | | 1984 | SYR | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Davis, Colin | | | 1975 | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Chua, Chee Sian Sebastien | | | 1971 * | MAS | 0.50 | 1 | -0.42 | 10 | -4.20 | | | * 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) | | | | Inaugural Wells Chess Congress | Wells | ENG | 2024-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 2371 | 4.50 | 5 | 0.01 | 10 | 0.10 | |
| | Gibbs, Dominic V | | | 1971 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Pugh, Derek C | | | 2079 | ENG | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Waddington, Mike P | f | | 1971 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Liu, Tianyi (jack) | | | 1992 | ENG | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Banerjee, Supratit | c | | 2025 | ENG | 0.50 | 1 | -0.39 | 10 | -3.90 | | | * 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) | | | | 2023-24 4NCL Division 1 Rounds 7-8 | Telford | ENG | 2024-03-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 2371 | 1.50 | 2 | -0.28 | 10 | -2.80 | |
| | Arora, Tashika | | | 1971 * | ENG | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Kueh, Audrey | | wf | 2058 | ENG | 1.00 | 1 | 0.14 | 10 | 1.40 | | | * 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) | | |
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