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Individual Calculations January 2009 |
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| Ninahuaman, Efren Total change: -1.50 | |   |
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| TORNEO SELECTIVO NACIONAL "CIUDAD DE LA OROYA" | La Oroya-Junin | PER | 2008-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2329 | 2142 | 1.00 | 4 | -0.06 | 25 | -1.50 | |
|  Cori, Deysi | | wm | 2280 | PER | 0.50 | 1 | 0.19 | 25 | 4.75 | |  Vidarte Morales, Arturo | m | | 2431 | ESP | 0.50 | 1 | 0.34 | 25 | 8.50 | | | Robledo, Manuel | | | 2223 | PER | 0.00 | 1 | -0.39 | 25 | -9.75 | | | Cori, Jorge | f | | 2381 | PER | 0.00 | 1 | -0.20 | 25 | -5.00 | |
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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