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Individual Calculations January 2009 |
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| Perales Arona, Joaquin Total change: 2.75 | |   |
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| Provincial Prferente (Ateneo Maritimo) | Valencia | ESP | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 1902 | 2.00 | 5 | 0.11 | 25 | 2.75 | |
|  Gonzalvez Perales, Jose Luis | | | 2018 | ESP | 0.50 | 1 | 0.16 | 25 | 4.00 | |  Palacios Perez, Jose Luis | | | 1936 | ESP | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Tejedor Barber, Lorenzo | | | 2029 | ESP | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Pradas Soria, Ernesto | | | 1964 | ESP | 0.50 | 1 | 0.09 | 25 | 2.25 | | | Del Hoyo, Pablo | | | 2002 | ESP | 0.50 | 1 | 0.14 | 25 | 3.50 | |
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) | | |
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