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Individual Calculations October 2017 |
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| Hurn, Robert Aj Total change: 2.60 | |   |
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| 3rd Welsh Seniors Championship | Penarth | WLS | 2017-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1589 | 2.00 | 5 | 0.13 | 20 | 2.60 | |
|  Taylor, Robert Graham | | | 1929 | WLS | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Probert, Malcolm | | | 1600 | WLS | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Greatorex, Roger | | | 1733 | ENG | 0.50 | 1 | 0.19 | 20 | 3.80 | | | O`rourke, Kevin | | | 1277 | WLS | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Waterfield, John W | | | 1958 | WLS | 0.00 | 1 | -0.10 | 20 | -2.00 | |
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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