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Individual Calculations September 2023 |
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| James, Russell A Total change: 37.80 | |   |
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| 2023 British Championship: Over 50 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2153 | 2012 | 3.50 | 5 | 1.86 | 20 | 37.20 | |
|  Townsend, M Paul | | | 2209 | ENG | 0.00 | 1 | -0.25 | 20 | -5.00 | |  Walker, Martin G | f | | 2079 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Hughes, Roy | | | 2007 | ENG | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Henderson, David | | | 2113 | ENG | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Lawton, Geoff W | m | | 2359 | ENG | 1.00 | 1 | 0.89 | 20 | 17.80 | |
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) | | | | Manchester Summer Chess Congress August 2023 | Bolton | ENG | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 1980 | 3.50 | 5 | 0.03 | 20 | 0.60 | |
| | Jaszkiwskyj, Peter | | | 1865 | ENG | 0.50 | 1 | -0.16 | 20 | -3.20 | | | McCarthy, Damian | | | 1857 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Ridge, Benjamin | | | 1770 | SCO | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Gomez, Daniel | | | 1928 | ENG | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Sajanani, Vikas | | | 1737 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | |
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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