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Rapid:
Individual Calculations November 2017 |
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| Archer-Lock, Helen Total change: -3.40 | |   |
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| 2017 Girls County Invitational Quadrangular | Oxford | ENG | 2017-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1342 | 1406 | 1.50 | 3 | -0.17 | 20 | -3.40 | |
|  Eze, Maria | | | 1019 | GRE | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Ercsei, Estera-Alexandra | | | 1369 | ROU | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Sheremetyeva, Elizaveta | | | 1638 | ENG | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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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