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Rapid:
Individual Calculations January 2019 |
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| McDonald, Margaret Total change: -3.40 | |   |
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| 20e Rapide M Echecs | PARIS | FRA | 2018-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1390 | 1312 | 1.50 | 4 | -0.17 | 20 | -3.40 | |
|  Belkoura, Mohamed | | | 1674 | FRA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Piskor, Leo | | | 1416 | FRA | 1.00 | 1 | 0.64 | 20 | 12.80 | |  Giafferi, Dominique | | | 1282 | FRA | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Gabelica, Marco | | | 1189 | FRA | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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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