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Individual Calculations May 2017 |
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| Saunders, Walter N. R. Total change: -26.40 | |   |
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| 2017 Welsh Championships | Cardiff | WLS | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 2030 | 1.50 | 5 | -1.32 | 20 | -26.40 | |
|  Taylor, Robert Graham | | | 1932 | WLS | 0.50 | 1 | -0.13 | 20 | -2.60 | |  White, Ernest M | | | 1867 | WLS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Jameson, David | | | 2098 | WLS | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Bullen, Alex | | | 2105 | WLS | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Van Kemenade, Rudy | | | 1914 | WLS | 0.00 | 1 | -0.66 | 20 | -13.20 | |
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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