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Individual Calculations August 2015 |
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| Boabaid, Jorge Alberto Duardes Total change: 92.20 | |   |
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| III Taca David Borensztajn – Aberto do Brasil | Rio de Janeiro/RJ | BRA | 2015-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 1811 | 3.50 | 6 | 2.13 | 20 | 42.60 | |
|  Zacarias, Rodrigo Medeiros | | | 2107 | BRA | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Chang, Suzana | | wf | 2057 | BRA | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Jesus Filho, Jose Carlos | | | 1957 | BRA | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Ribeiro, Regina | | wm | 1980 | BRA | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Chaves, Jorge Antonio Torres | | | 1971 | BRA | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Santos Filho, Tadeu Sousa | | | 2090 | BRA | 1.00 | 1 | 0.84 | 20 | 16.80 | |
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) | | | | Floripa Winter Chess 2015 - Amateur U2200 | Florianopolis | BRA | 2015-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 1811 | 4.00 | 5 | 1.67 | 20 | 33.40 | |
| | Mariani, Daniel Brandao | | | 1993 | BRA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Schwirkowski Filho, Adriano | | | 1499 | BRA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Raabe Junior, Germano Jose | | | 1657 | BRA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Zimmermann, Kleber Renato P. | c | | 1967 | BRA | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Rosa, Jose Antonio | | | 2038 | BRA | 1.00 | 1 | 0.79 | 20 | 15.80 | |
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) | | | | Regional Sul Brasileiro de Xadrez 2015 | Curitiba/PR | BRA | 2015-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 1811 | 2.50 | 5 | 0.81 | 20 | 16.20 | |
| | Quintiliano Pinto, Renato R. | m | | 2211 * | BRA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Scardini, Leonardo | | | 1491 | BRA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Lopes, Aloisio Ponti | | | 1954 | BRA | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Tratz, Leonardo Schmaedecke | | | 2008 | BRA | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Borges, Guilherme Deola | | | 2072 | BRA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | * 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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