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Individual Calculations September 2017 |
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| Ashworth, Steven M Total change: 23.60 | |   |
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| 104th British Championships Weekend Under 1825 | Llandudno | ENG | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1617 | 1355 | 0.50 | 3 | -0.05 | 40 | -2.00 | |
|  Finn, Daniel M | | | 1607 | ENG | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Horlock, Peter J | | | 1622 | ENG | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Szwajkun, Richard | | | 1621 | ENG | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | 104th British Championships Under 1750 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1617 | 1355 | 1.00 | 2 | 0.64 | 40 | 25.60 | |
| | Fernando, Manel | | | 1611 | ENG | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Rowles, Sarah | | | 1623 | WLS | 1.00 | 1 | 0.83 | 40 | 33.20 | |
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) | | |
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