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Individual Calculations September 2017 |
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| Kalerwa, Edwin M Total change: -5.20 | |   |
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| 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 1732 | 1.00 | 4 | -0.26 | 20 | -5.20 | |
|  Whitehead, Mark A | | | 1917 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | |  McDonagh, Michael | | | 1910 | ENG | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Davis, Holden | | | 1831 | ENG | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Graff, Ben | | | 1824 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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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