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Individual Calculations May 2023 |
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| Snape, Ian L Total change: -12.80 | |   |
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| Coulsdon Chess Dicky White - April | London | ENG | 2023-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 2109 | 1.00 | 2 | -0.64 | 20 | -12.80 | |
|  Bharat Kumar, Balahari | | | 1819 | ENG | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Calvert, D Ian | | | 1868 | ENG | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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) | | | | Beckenham FIDE 2022-2023 Round 6 April 2023 | Beckenham | ENG | 2023-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2109 | 2109 | 0.50 | 1 | 0.00 | 20 | 0.00 | |
|  Duggan, John E | | | 2109 | ENG | 0.50 | 1 | 0.00 | 20 | 0.00 | |
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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