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Individual Calculations June 2023 |
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| Miller, George I Total change: -27.60 | |   |
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| English Seniors Championships 2023 - Over 50 | Leamington Spa | ENG | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1849 | 1.50 | 5 | -0.55 | 20 | -11.00 | |
|  Bradbury, Neil H | m | | 2215 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Thompson, Ian D | f | | 2064 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Cole, Graham | | | 1643 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Parker, Keith | | | 1827 | ENG | 0.00 | 1 | -0.53 | 20 | -10.60 | | | McMahon, Paul | | | 1898 | ENG | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | 32nd Frome Chess Congress | Frome | ENG | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1849 | 2.00 | 5 | 0.29 | 20 | 5.80 | |
| | Hobson, Kenneth | | | 2104 | ENG | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Garcia, Jason | | | 1997 | WLS | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Kett, Timothy J | f | | 2071 | WLS | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Stubbs, Oliver | | | 2063 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Sefton, Adam | | | 1636 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | |
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) | | | | English Championships 2023 | Kenilworth | ENG | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 1849 | 2.00 | 7 | -1.12 | 20 | -22.40 | |
| | Hobson, Kenneth | | | 2104 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Ansari, Athar | | | 1886 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Murawski, Jan | | | 1896 | ENG | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Turner, Lewis A | | | 1807 | ENG | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Gibson, Christopher A | | | 1836 | ENG | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Siddharth, Gopakumar | | | 1890 | ENG | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Fellowes, Billy | | | 1824 | ENG | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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) | | |
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