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Individual Calculations July 2016 |
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| Hatchett, Paul Total change: 21.60 | |   |
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| 1st Welsh Seniors Invitational All Play All | Cardiff | WLS | 2016-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1993 | 4.50 | 7 | 1.08 | 20 | 21.60 | |
|  Pleasants, Allan J | | | 2036 | WLS | 0.50 | 1 | 0.06 | 20 | 1.20 | |  Heaven, Peter | | | 2032 | WLS | 0.50 | 1 | 0.05 | 20 | 1.00 | | | James, Dai | | | 1918 | WLS | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Hall, Richard V M | | | 2025 | ENG | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Zavanelli, Max | | | 1883 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | | | White, Ernest M | | | 1922 | WLS | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Kett, Tim | | | 2210 | WLS | 0.50 | 1 | 0.28 | 20 | 5.60 | |
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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