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Individual Calculations January 2019 |
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| Francisco Etxebarria, Jon Andoi Total change: -12.00 | |   |
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| XXVII Open Internacional Ayuntamiento de Erandio. | Erandio | ESP | 2018-12-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1445 | 1689 | 1.00 | 2 | -0.60 | 20 | -12.00 | |
|  San Mamed Sotelo, Manuel | | | 1406 | ESP | 0.50 | 1 | -0.34 | 20 | -6.80 | |  Acedo Pena, Javier | | | 1484 | ESP | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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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