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Individual Calculations September 2015 |
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| O Gorman, Brendan Total change: 2.40 | |   |
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| 102nd British Chess Championships Under 160 | Coventry | ENG | 2015-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 1789 | 2.50 | 4 | 0.50 | 20 | 10.00 | |
|  Jazdzewski, Daniel | | | 1872 | POL | 1.00 | 1 | 0.61 | 20 | 12.20 | |  Graham, Cassie M | | | 1676 | ENG | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Tokeley, Rob | | | 1809 | ENG | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Goodwin, Ed H | | | 1795 | ENG | 0.00 | 1 | -0.49 | 20 | -9.80 | |
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) | | | | Hampstead Under 1900 Congress Aug15 | London | ENG | 2015-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1695 | 1789 | 1.50 | 3 | -0.38 | 20 | -7.60 | |
| | Crouch, Timothy J | | | 1625 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Mulay, Partha | | | 1760 | ENG | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Melsom, Jonathan T | | | 1699 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | |
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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