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Individual Calculations October 2018 |
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| Alejo Benavides, Alvin Marcelo Total change: 19.60 | |   |
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| XII Olimpiada Nacional de Ajedrez 2018 (Sub-12 Absoluto) | Sucre | BOL | 2018-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1276 | 1145 | 1.50 | 3 | 0.49 | 40 | 19.60 | |
|  Villca, Rafael | | | 1409 | BOL | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Salvador Taquimallco, Alex | | | 1114 | BOL | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Chambi Alcazar, Alvaro | | | 1304 | BOL | 0.50 | 1 | 0.21 | 40 | 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) | | |
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