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Individual Calculations October 2017 |
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| Britton, Richard L Total change: 1.80 | |   |
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| 15th 4NCL Congress Open | Doncaster | ENG | 2017-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2219 | 2.50 | 4 | 0.09 | 20 | 1.80 | |
|  Garnett, John S | | | 1934 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Willow, Jonah B | | | 2146 | ENG | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Whitfield, Craig M | | | 2054 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Merry, Alan B | m | | 2412 | ENG | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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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