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Individual Calculations September 2018 |
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| Valentine, Brian J Total change: 16.00 | |   |
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| 105th British Championships Over 65 | Hull | ENG | 2018-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1956 | 1935 | 4.00 | 7 | 0.80 | 20 | 16.00 | |
|  Calvert, John C | | | 1535 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Habershon, Paul F | | | 2023 | ENG | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Anderton, David W | c | | 2084 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Myall, Ivan J | | | 2007 | ENG | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Burnett, Jim | | | 2088 | ENG | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Surtees, Mike J | | | 2146 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Dennis, Nigel W | | | 1806 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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