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Individual Calculations September 2015 |
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| Goodwin, Ed H Total change: 49.80 | |   |
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| 102nd British Chess Championships Over 65 | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 1795 | 2.00 | 5 | 1.12 | 40 | 44.80 | |
|  Hutchinson, Norman A | | | 2059 | ENG | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Habershon, Paul F | | | 2099 | ENG | 0.50 | 1 | 0.36 | 40 | 14.40 | |  Morriss, Pete | | | 2075 | IRL | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Bimpson, Tom | | | 2056 | ENG | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Feavyour, John A | | | 2012 | ENG | 0.50 | 1 | 0.28 | 40 | 11.20 | |
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) | | | NOTE: K factor changed | | 102nd British Chess Championships Under 160 | Coventry | ENG | 2015-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1795 | 3.00 | 5 | 0.25 | 20 | 5.00 | |
| | Clegg, Robert | | | 1892 | ENG | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Pride, Stephen C | | | 1660 | ENG | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Woodward, Vivian | | | 1703 | ENG | 1.00 | 1 | 0.37 | 20 | 7.40 | | | O Gorman, Brendan | | | 1789 | ENG | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Papier, Alan | | | 1752 | ENG | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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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