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Individual Calculations September 2015 |
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| De Coverly, Roger D Total change: 1.00 | |   |
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| 102nd British Chess Championships Over 50 | Coventry | ENG | 2015-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2189 | 1992 | 2.50 | 5 | 1.22 | 20 | 24.40 | |
|  Brooks, Phil J | | | 2217 | ENG | 1.00 | 1 | 0.78 | 20 | 15.60 | |  Shephard, Chris C W | | | 2185 | ENG | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Gostelow, David W | | | 2037 | ENG | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Povah, Nigel E | m | | 2303 | ENG | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Granat, Russell G | | | 2201 | ENG | 0.00 | 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) | | | | 102nd British Chess Championships Week 2 AM Open | Coventry | ENG | 2015-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 1992 | 2.00 | 4 | -1.17 | 20 | -23.40 | |
| | Snook-Lumb, Chris | | | 1664 | ENG | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Schmerwitz, Reinhard | | | 1838 | GER | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Foster, Timothy | | | 1598 | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Davison, Chris | | | 1870 | ENG | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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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