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Individual Calculations July 2018 |
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| Brown, Geoffrey M Total change: 19.80 | |   |
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| Bristol Summer Congress & 71st Bristol League Championship | Bristol | ENG | 2018-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 1877 | 1.00 | 3 | 0.26 | 20 | 5.20 | |
|  Martin, Lewis | | | 2089 | ENG | 0.50 | 1 | 0.27 | 20 | 5.40 | |  Morris, Gareth L | | | 2050 | WLS | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Curtis, John E | | | 2077 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | |
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) | | | | 3rd North Wales Fide Open | Llandudno | WLS | 2018-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1877 | 2.00 | 4 | 0.73 | 20 | 14.60 | |
| | Burnett, Jim | | | 2105 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Burns, Martin J | | | 1921 | ENG | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Crocker, Philip J | | | 2109 | ENG | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Sciupokas, Arunas | | | 1944 | LTU | 0.50 | 1 | 0.09 | 20 | 1.80 | |
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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