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Individual Calculations September 2019 |
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| Kirby, Peter J Total change: 21.80 | |   |
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| 106th British Championships Over 50 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 1988 | 3.50 | 6 | 1.09 | 20 | 21.80 | |
|  Granat, Russell G | | | 2219 | ENG | 0.50 | 1 | 0.29 | 20 | 5.80 | |  Chapman, Terry Pd | f | | 2246 | ENG | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Shaw, Meyrick | | | 1869 | ENG | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Kennedy, Craig | | | 1883 | SCO | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Homer, Stephen J | | | 2017 | ENG | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Hansen, Hans-Peter | | | 2170 | GER | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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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