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Individual Calculations July 2009 |
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| Principe, Alexander Total change: -13.20 | |   |
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| 5th World School Chess Championship - Open U13 | Thessaloniki | GRE | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1932 | 1.00 | 4 | -1.15 | 15 | -17.25 | |
|  Buyukasik, Diyap | | | 1996 | TUR | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Naoum, Spyridon | | | 1787 | GRE | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Terentyev, Vitaly | | | 1938 | RUS | 0.50 | 1 | 0.01 | 15 | 0.15 | |  Benidze, Gigla | | | 1891 | GEO | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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) | | | | TORNEO REGIONAL METROPOLITANO | Lima | PER | 2009-05-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 1932 | 1.00 | 3 | 0.27 | 15 | 4.05 | |
| | Requejo, Oswaldo | | | 2253 | PER | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Alarcon Salas, Arturo | | | 2034 | PER | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Flores Arroyo, Luis | | | 2132 | PER | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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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