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Individual Calculations February 2019 |
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| Lewis, Christopher D Total change: 2.80 | |   |
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| 2019 Shropshire Congress | Telford | ENG | 2019-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 1859 | 1.00 | 4 | -0.49 | 20 | -9.80 | |
|  Edge, John A | | | 1972 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Giles, Yasmin | | | 1934 | ENG | 1.00 | 1 | 0.60 | 20 | 12.00 | |  Ireland, David J | | | 1930 | ENG | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Bolt, Graham | | | 1980 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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) | | | | 2018/19 4NCL Div 4 Rounds 3 - 4 | Bedford | ENG | 2019-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1859 | 1.50 | 2 | 0.63 | 20 | 12.60 | |
| | Valentine, Brian J | | | 1961 | ENG | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Krawczuk, Michael J | | | 1855 | ENG | 1.00 | 1 | 0.49 | 20 | 9.80 | |
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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