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Individual Calculations September 2017 |
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| Di-Vetta, Andrew Total change: 26.40 | |   |
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| 104th British Championships Weekend Under 1825 | Llandudno | ENG | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1710 | 1605 | 2.00 | 3 | 0.93 | 20 | 18.60 | |
|  O`gorman, Brendan | | | 1702 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | | | O`mahony, Mike J | | | 1699 | ENG | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Jukes, Sam | | | 1730 | WLS | 1.00 | 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) | | | | 2017 Midland Championship Major | West Bromwich | ENG | 2017-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 1585 | 1.00 | 3 | 0.39 | 20 | 7.80 | |
|  Evans, Chris John | | | 1790 | ENG | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Paul, Nathanael | | | 1871 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Lewis, Christopher D | | | 1819 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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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