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Rapid:
Individual Calculations May 2019 |
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| Hutchings, Roger M Total change: 2.20 | |   |
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| CCF Easter Rapidplay Open | London | ENG | 2019-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1881 | 1862 | 2.00 | 4 | 0.11 | 20 | 2.20 | |
|  Graham, Arthur B | | | 1660 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Konara, Palitha | | | 2060 | SRI | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Porter, Sam J | | | 1942 | ENG | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Picot, Russell C | | | 1861 | ENG | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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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