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Individual Calculations September 2023 |
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| Kett, Tim Total change: 58.00 | |   |
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| 2023 British Championship: Over 50 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2062 | 4.00 | 7 | 1.15 | 20 | 23.00 | |
|  Kennedy, Craig | | | 1784 | SCO | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Arkell, Keith C | g | | 2392 | ENG | 1.00 | 1 | 0.88 | 20 | 17.60 | | | Pitcher, John | | | 2206 | ENG | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Lawton, Geoff W | m | | 2359 | ENG | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Grillage, Andrew | | | 2009 | ENG | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Thompson, Ian D | f | | 2035 | ENG | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Duncan, Chris R | f | | 2191 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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) | | | | 2023 Newcastle-under-Lyme All-Play-All | Newcastle-under-Lyme | ENG | 2023-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2072 | 6.00 | 9 | 2.27 | 20 | 45.40 | |
| | Blackburn, Jonathan L B | f | | 2197 | WLS | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Boswell, Jacob Connor | | | 2226 | ENG | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Okhai, Shabir | | | 2135 | ENG | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Williamson, Roger G | | | 2177 | ENG | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Morris, Charles F | | | 2060 | WLS | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Byron, Alan M | | | 2155 | ENG | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Walton, Alan J | c | | 2063 | ENG | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Lee, Richard W Y | | | 2094 | ENG | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Brown, Thomas | | | 2108 | WLS | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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) | | | | Northumbria Masters Open | Newcastle upon Tyne | ENG | 2023-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2141 | 2072 | 1.50 | 5 | -0.52 | 20 | -10.40 | |
| | Boswell, Jacob Connor | | | 2226 | ENG | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Villiers, Thomas | c | | 2164 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Chan, Sheng Liang Bernard | | | 2051 | MAS | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Sowray, Peter J | f | | 2151 | ENG | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Modi, Shyam Jagdish | | | 2113 | ENG | 1.00 | 1 | 0.56 | 20 | 11.20 | |
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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