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Individual Calculations August 2023 |
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| Roberts, David L Total change: -16.20 | |   |
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| 18th South Wales International Open | Bridgend | WLS | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 1995 | 2.50 | 7 | -0.81 | 20 | -16.20 | |
|  Wells, Peter K | g | | 2336 | ENG | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Blackburn, Jonathan L B | f | | 2190 | WLS | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Maloberti, David | | | 2064 | FRA | 0.50 | 1 | 0.10 | 20 | 2.00 | |  Jukes, Sam | | | 1911 | WLS | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Harris, Calum | | | 1805 | WLS | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Szakmany, Bence | | | 1686 | WLS | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Binks, Michael | | | 2140 | WLS | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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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