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Individual Calculations August 2023 |
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| Foster, James C Total change: -0.60 | |   |
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| 18th South Wales International Open | Bridgend | WLS | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1955 | 5.00 | 9 | -0.03 | 20 | -0.60 | |
|  Emblem, Mark | | | 1555 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Binks, Michael | | | 2140 | WLS | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Rudd, Jack | m | | 2276 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Byron, Alan M | | | 2132 | ENG | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Macdonald, Duncan | | | 1636 | WLS | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Thomas, Roy | | | 1632 | WLS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Wagner, Guy | | | 1718 | WLS | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Jukes, Sam | | | 1911 | WLS | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Maloberti, David | | | 2064 | FRA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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