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Individual Calculations May 2023 |
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| Alldritt, Nigel R E Total change: -47.20 | |   |
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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 |
| 1955 | 1993 | 3.00 | 5 | 0.36 | 20 | 7.20 | |
|  Moquet, Evariste | | | 1593 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Villiers, Thomas | c | | 2185 | ENG | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Dignam, Matthew | | | 2057 | IRL | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Rogers, Tim L | | | 1911 | ENG | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Lau, Lut Yin Luke | | | 2030 | HKG | 0.50 | 1 | 0.05 | 20 | 1.00 | | | * 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) | | | | 65th Southend Easter Congress - Open | Southend-on-Sea | ENG | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1635 | 2001 | 3.50 | 7 | -2.72 | 20 | -54.40 | |
| | Moss, Thomas D | | | 1623 | ENG | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Hung, Jake | | | 1640 | ENG | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Davis-Loades, Alex | | | 1681 | ENG | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Hanache, Kai | | | 1574 | ENG | 0.00 | 1 | -0.93 | 20 | -18.60 | | | Gunawardana, Thivan Manamperi | | | 1601 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ivan, Austin | | | 1499 | ENG | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Barton, Tom A | | | 1828 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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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