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Individual Calculations April 2009 |
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| Lopez De Castro, Joseph Total change: -7.50 | |   |
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| XVII Open Internacional de Ajedrez Ayuntamiento de Erandio | Erandio (Vizcaya) | ESP | 2008-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1903 | 0.50 | 2 | -0.46 | 15 | -6.90 | |
|  Resano Lopez, Francisco | | | 2086 | ESP | 0.50 | 1 | 0.24 | 15 | 3.60 | |  Buiza Prieto, Aizbeltz | | | 1751 | ESP | 0.00 | 1 | -0.70 | 15 | -10.50 | |
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) | | | | N4 - R4 | Various | FRA | 2009-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1867 | 1893 | 0.50 | 1 | -0.04 | 15 | -0.60 | |
| | Jouhaneau, Jacques | | | 1867 | FRA | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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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