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Individual Calculations October 2017 |
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| Probert, Malcolm Total change: 14.20 | |   |
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| 3rd Welsh Seniors Championship | Penarth | WLS | 2017-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1651 | 1600 | 3.00 | 5 | 0.71 | 20 | 14.20 | |
|  Waterfield, John W | | | 1958 | WLS | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Hurn, Robert Aj | | | 1589 | WLS | 0.50 | 1 | -0.02 | 20 | -0.40 | | | O`rourke, Kevin | | | 1277 | WLS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Cox, John | | | 1430 | WLS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Reynolds, D Ian W | | | 2000 * | ENG | 0.50 | 1 | 0.42 | 20 | 8.40 | | | * 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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