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Individual Calculations September 2015 |
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| Silva, Valdecir Batista Total change: 41.40 | |   |
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| III IRT LMX / Circuito Maranhense de Xadrez 2015 - Etapa de Caxias | Caxias/MA | BRA | 2015-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 1773 | 1.00 | 2 | 0.49 | 20 | 9.80 | |
|  Damous, Felipe Soares | | | 2096 | BRA | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Cardoso Da Silva, Roberto | | | 1861 | BRA | 1.00 | 1 | 0.62 | 20 | 12.40 | |
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) | | | | Aberto do Brasil CONTAUD 2015 | Cuiaba/MT | BRA | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 1773 | 2.50 | 5 | 1.58 | 20 | 31.60 | |
| | Martins, George Evandro Barret | f | | 2173 * | BRA | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Shumyatsky, Victor | f | | 2173 * | BRA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Dornelles, Marcio Neron Camarg | | | 1987 | BRA | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Guimaraes, Artemis Pamela | | | 1949 | BRA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Jesus Filho, Jose Carlos | | | 1957 | BRA | 1.00 | 1 | 0.74 | 20 | 14.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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