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Individual Calculations February 2023 |
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| Watson, Jacob Total change: 6.20 | |   |
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| London Christmas Chess Congress - Open | London | ENG | 2022-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1749 | 1883 | 4.00 | 6 | 0.31 | 20 | 6.20 | |
|  Harandi, Kamran | | | 1483 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Iyengar, Ilya | | | 1998 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Neenan, Henry | | | 1538 | ENG | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Choong, Han-Sen | | | 1401 | ENG | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Rushbrooke, Remy | | | 1982 | ENG | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Bates, Caspar J | | | 2094 | ENG | 1.00 | 1 | 0.77 | 20 | 15.40 | | | * 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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