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Individual Calculations July 2012 |
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| O`Gorman, Brendan Total change: 5.85 | |   |
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| e2e4 Amersham Challengers | London | ENG | 2012-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1787 | 2.00 | 4 | 0.64 | 15 | 9.60 | |
|  Hayward, Alan | | | 1948 | ENG | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Jacob, Sydney J | | | 1873 | ENG | 0.50 | 1 | 0.12 | 15 | 1.80 | |  Tart, Peter K | | | 1959 | ENG | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Kelly, Anthony G | | | 1842 | ENG | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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) | | | | e2e4 London Diamond Jubilee Congress Major | London | ENG | 2012-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1787 | 2.50 | 4 | -0.25 | 15 | -3.75 | |
| | Evans, Helen I | | | 1613 | ENG | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Probert, Malcolm | | | 1583 | WLS | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Bovtramovics, Vladimirs | | | 1784 | LAT | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Skjolas, Erling Dyrhaug | | | 1585 | NOR | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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) | | |
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