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Individual Calculations September 2018 |
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| Weersing, Sarah Total change: -33.60 | |   |
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| 2018 Midland Open Championship Major | Telford | ENG | 2018-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1646 | 1608 | 0.50 | 2 | -0.42 | 40 | -16.80 | |
|  Charnley, Bernard J | | | 1859 | ENG | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Dharmasena, Gavith | | | 1433 | ENG | 0.50 | 1 | -0.23 | 40 | -9.20 | |
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) | | | | Gibraltar Junior Chess Festival 2018 U16 | Gibraltar | ENG | 2018-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1608 | 1.50 | 5 | -0.42 | 40 | -16.80 | |
| | Garrido Outon, Alex | | | 2008 * | ESP | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Samworth-Calvier, Juju | | | 1816 | ENG | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Onslow, Alfie | | | 2008 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chouki, Aali | | | 1413 | MAR | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Rayner, Hugo | | | 1391 | ENG | 0.50 | 1 | -0.28 | 40 | -11.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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