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Individual Calculations September 2015 |
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| Jeffries, Majid Total change: -19.60 | |   |
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| 102nd British Chess Championships Over 50 | Coventry | ENG | 2015-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2091 | 1987 | 2.50 | 5 | 0.67 | 20 | 13.40 | |
|  Granat, Russell G | | | 2201 | ENG | 1.00 | 1 | 0.77 | 20 | 15.40 | |  House, Glenn L | f | | 2166 | ENG | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Vickery, Jim E | | | 2055 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Hunt, Malcolm A | | | 2073 | ENG | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Lawson, Maurice E | | | 1961 | ENG | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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) | | | | 102nd British Chess Championships Week 2 AM Open | Coventry | ENG | 2015-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1987 | 0.50 | 4 | -1.65 | 20 | -33.00 | |
| | Gelip, Ioana | | | 2140 | ROU | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Iyengar, Ilya | | | 2049 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Blake, J Morgan | | | 1712 | ENG | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Ramage, Colin R | | | 1908 | ENG | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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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