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Individual Calculations September 2016 |
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| Mahoney, Nicholas Total change: -2.60 | |   |
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| 103rd British Championships Over 50 | Bournemouth | ENG | 2016-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1886 | 1748 | 1.50 | 5 | -0.13 | 20 | -2.60 | |
|  Rice, Chris B | | | 2006 | ENG | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Batchelor, Guy J | | | 1916 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Valentine, Brian J | | | 1981 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Calvert, John C | | | 1552 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Gostelow, David W | | | 1976 | ENG | 0.50 | 1 | 0.29 | 20 | 5.80 | |
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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