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Individual Calculations May 2017 |
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| Hutchings, Roger M Total change: 36.40 | |   |
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| 70th West of England Chess Union Congress Major | Exmouth | ENG | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1755 | 1845 | 4.00 | 5 | 0.91 | 40 | 36.40 | |
|  Parfett, Gerald F | | | 1670 | ENG | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Annetts, Ivor S | | | 1884 | ENG | 0.50 | 1 | 0.05 | 40 | 2.00 | |  Hafstad, Leif | | | 1655 | ENG | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Hickman, John E | | | 1897 | ENG | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Sellwood, Colin | | | 1668 | ENG | 1.00 | 1 | 0.27 | 40 | 10.80 | |
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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