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Individual Calculations September 2023 |
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| Arora, Tashika Total change: 138.91 | |   |
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| 2023 British Championship: Major Open | Leicester | ENG | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 1836 | 4.50 | 9 | 0.56 | 29 | 16.24 | |
|  Gamage Ranasinghe, Yuman R | | | 1436 * | SRI | 1.00 | 1 | 0.08 | 29 | 2.32 | | | Farrand, Tom | | | 2110 | JCI | 0.50 | 1 | 0.33 | 29 | 9.57 | |  Sedykh, Mikhail | | | 2084 | ENG | 0.00 | 1 | -0.19 | 29 | -5.51 | | | Lishoy Gengis Paratazham, Dildara | | | 1618 | ENG | 1.00 | 1 | 0.22 | 29 | 6.38 | | | Brown, Tom | | | 1959 | ENG | 1.00 | 1 | 0.67 | 29 | 19.43 | | | Dougherty, Michael | f | | 2110 | CAN | 0.50 | 1 | 0.33 | 29 | 9.57 | | | Badacsonyi, Stanley | | | 1976 | ENG | 0.00 | 1 | -0.31 | 29 | -8.99 | | | Lee, Alexandre Km | | | 1693 | ENG | 0.50 | 1 | -0.19 | 29 | -5.51 | | | Rathbone-Jones, Ifan | | | 1925 | WLS | 0.00 | 1 | -0.38 | 29 | -11.02 | | | * 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) | | | | East Midlands FIDE Congress 2023 - Under 2400 | Wellingborough | ENG | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 1836 | 4.00 | 5 | 2.50 | 29 | 72.50 | |
| | Agnew, Alan | | | 2089 | ENG | 0.50 | 1 | 0.31 | 29 | 8.99 | | | Baer, Bruce L | | | 2027 | ENG | 1.00 | 1 | 0.75 | 29 | 21.75 | | | Sprenger De La Iglesia, Yevgeni | | | 1869 | ESP | 1.00 | 1 | 0.55 | 29 | 15.95 | | | Potter, John M | | | 1962 | ENG | 0.50 | 1 | 0.17 | 29 | 4.93 | | | Homer, Stephen J | | | 2002 | ENG | 1.00 | 1 | 0.72 | 29 | 20.88 | |
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 |
| 2114 | 1836 | 2.00 | 4 | 1.17 | 29 | 33.93 | |
| | Holland, Christopher | | | 2094 | GCI | 1.00 | 1 | 0.82 | 29 | 23.78 | | | Arkell, Keith C | g | | 2373 | ENG | 0.00 | 1 | -0.03 | 29 | -0.87 | | | Burns, Martin J | | | 1874 | ENG | 1.00 | 1 | 0.55 | 29 | 15.95 | | | Lambert, Adrien | | | 2114 | FRA | 0.00 | 1 | -0.17 | 29 | -4.93 | |
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) | | | | 57th Berks & Bucks Chess Congress - Championship | Maidenhead | ENG | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1836 | 3.00 | 6 | 0.56 | 29 | 16.24 | |
| | Verbytski, Oleg | | | 1799 | ENG | 0.50 | 1 | -0.05 | 29 | -1.45 | | | Hall, Antony C | | | 1804 | ENG | 1.00 | 1 | 0.46 | 29 | 13.34 | | | Merriman, James | | | 2014 | ENG | 0.00 | 1 | -0.27 | 29 | -7.83 | | | Gordon, Sean | | | 1894 | ENG | 0.50 | 1 | 0.08 | 29 | 2.32 | | | Alizada, Eldar A | | | 2001 | ENG | 0.50 | 1 | 0.22 | 29 | 6.38 | | | Bullock, Charles Es | | | 1920 | ENG | 0.50 | 1 | 0.12 | 29 | 3.48 | |
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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