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Individual Calculations September 2023 |
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| Newton, Robert A Total change: -29.60 | |   |
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| Manchester Summer Chess Congress August 2023 | Bolton | ENG | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1918 | 1.00 | 4 | -1.85 | 20 | -37.00 | |
|  Patel, Keatan | | | 1579 | ENG | 0.00 | 1 | -0.88 | 20 | -17.60 | |  Furness, Robert M | | | 2009 | ENG | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Ashton, Alannah | | | 1525 | ENG | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Obi, Marc On | | | 1795 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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) | | | | 15th Leyland Congress | Leyland | ENG | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1918 | 2.50 | 4 | 0.37 | 20 | 7.40 | |
| | Chan, Michelle (ngo Yu) | | | 1647 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Evans, Paul A | | | 1918 | ENG | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Richmond, Jane | | wf | 2072 | WLS | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Doran, Chris | | | 1913 | 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) | | |
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