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Individual Calculations September 2019 |
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| De Coverly, Roger D Total change: 28.80 | |   |
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| 106th British Championships Over 65 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 1928 | 4.00 | 7 | 1.51 | 20 | 30.20 | |
|  Shephard, Chris Cw | | | 2214 | ENG | 0.50 | 1 | 0.34 | 20 | 6.80 | |  Friedgood, David | f | | 2177 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Goodwin, Ed H | | | 1825 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Moore, Gillian A | | | 1807 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Brameld, Arthur F | | | 2091 | ENG | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Bray, Dave J | | | 2085 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Bowmer, Kevin | | | 2107 | ENG | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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) | | | | 55th Berks & Bucks Chess Congress Challengers A | Maidendead | ENG | 2019-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1852 | 1929 | 3.50 | 6 | -0.07 | 20 | -1.40 | |
| | Sheikh, Anum | | wc | 1693 | ENG | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Redmond, Michael F | | | 1650 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Bullock, Charles Es | | | 2063 | ENG | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Kesterson, Kennan | | | 1802 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Davies, Peter L | | | 1947 | WLS | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Sagues, Vincent | | | 1954 | FRA | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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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