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Individual Calculations December 2022 |
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| Alldritt, Nigel R E Total change: -14.20 | |   |
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| Scarborough Chess Congress 2022 Open | Scarborough | ENG | 2022-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 2018 | 2.00 | 4 | -0.02 | 20 | -0.40 | |
|  Jackson, Edward | | | 1986 | ENG | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Hobson, Kenneth | | | 2030 | ENG | 0.00 | 1 | -0.48 | 20 | -9.60 | |  Verma, Shlok | | | 2027 | ENG | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Longson, Sarah N | | wf | 2008 | ENG | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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) | | | | Central London Chess Congress - Imperial College - Open | London | ENG | 2022-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 2014 | 1.50 | 4 | -0.69 | 20 | -13.80 | |
| | Lalic, Peter D | c | | 2197 | ENG | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Todd, Jamie | | | 1678 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Wilks, Simon | | | 2061 | ENG | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Chauhan, Pranay | | | 1923 | ENG | 0.00 | 1 | -0.62 | 20 | -12.40 | |
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) | | |
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