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Individual Calculations August 2023 |
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| Macdonald, Duncan Total change: 48.60 | |   |
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| 18th South Wales International Open | Bridgend | WLS | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1636 | 4.00 | 8 | 2.43 | 20 | 48.60 | |
|  Boswell, Jacob Connor | | | 2163 | ENG | 0.00 | 1 | -0.03 | 20 | -0.60 | | | Fathallah, Joe | | | 2017 | WLS | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Emblem, Mark | | | 1402 | WLS | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Foster, James C | | | 1955 | ENG | 1.00 | 1 | 0.87 | 20 | 17.40 | | | Marusenko, Petr | m | | 2043 | UKR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Thomas, James | | | 1905 | WLS | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Pollack, Oscar | | | 2096 | ENG | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Robinson, David | | | 1845 | WLS | 1.00 | 1 | 0.77 | 20 | 15.40 | |
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) | | |
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