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Individual Calculations May 2023 |
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| Dignam, Matthew P Total change: -9.00 | |   |
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| London Chess League Weekend Congress (31 March) - Open | London W6 | ENG | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 2057 | 3.00 | 4 | -0.35 | 20 | -7.00 | |
|  Macphail, Kieran | | | 1679 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Alldritt, Nigel R E | | | 1993 | ENG | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Tawab, Ramin | | | 1657 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Cancedda-Dupuis, Livio | | | 1644 | ENG | 1.00 | 1 | 0.07 | 20 | 1.40 | | | * 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) | | | | 3rd 4NCL Easter Congress Open | Daventry | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 2057 | 4.00 | 7 | 0.10 | 20 | 2.00 | |
| | Gardiner, Eric D | | | 1860 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Headlong, Georgia | | | 1694 | ENG | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Hebden, Mark L | g | | 2430 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Isik, Muhammed Oguz | | | 1684 | ENG | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Okhai, Shabir | | | 2127 | ENG | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Villiers, Thomas | c | | 2160 | ENG | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Mason, Donald J | | | 2067 | ENG | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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 April 2023 - Open | London | ENG | 2023-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 2057 | 2.50 | 4 | -0.20 | 20 | -4.00 | |
| | Sajanani, Vikas | | | 1790 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Bathula, Abhinav Reddy | | | 1857 | IND | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Pandit, Kabir | | | 1875 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Lalic, Peter D | c | | 2145 | ENG | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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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