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Individual Calculations February 2023 |
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| Merriman, James Total change: 43.60 | |   |
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| London Christmas Chess Congress - Open | London | ENG | 2022-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 1999 | 4.50 | 6 | 0.83 | 40 | 33.20 | |
|  Adams, Henry | | | 1723 | ENG | 0.50 | 1 | -0.33 | 40 | -13.20 | |  Gibbs, Dominic V | | | 1873 | ENG | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Pranava, Ravikumar | | | 1682 | IND | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Saidmurodov, Shahjahon | | | 1883 | ENG | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Iyengar, Ilya | | | 1998 | ENG | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Merriman, John | f | | 2314 | ENG | 0.50 | 1 | 0.36 | 40 | 14.40 | |
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) | | | | 2022/23 4NCL Division 2 Rounds 3-4 | Daventry | ENG | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 2027 | 1.00 | 2 | 0.26 | 40 | 10.40 | |
| | Wilks, Simon | | | 2072 | ENG | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Carleton, John J | | | 2174 | ENG | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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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