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Individual Calculations September 2011 |
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| Borensztajn, David Total change: -1.95 | |   |
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| II IRT CXG Convergencia 2011 | Rio de Janeiro/RJ | BRA | 2011-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1994 | 2.00 | 4 | 0.13 | 15 | 1.95 | |
|  Mascarenhas, Alberto Pinheiro | f | | 2240 | BRA | 0.00 | 1 | -0.19 | 15 | -2.85 | |  Machado, Wallace Fernandes | | | 1891 | BRA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Maia, Marco Aurelio Ferreira | | | 2157 | BRA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Rovedo, Salomao | | | 1792 | BRA | 1.00 | 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) | | | | Zonal 2.4 - Open 2011 | Araruama/RJ | BRA | 2011-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2227 | 1994 | 0.50 | 2 | 0.07 | 15 | 1.05 | |
| | Espinoza Palomino, Willyam | f | | 2295 | PER | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Condori, Edwin | | | 2159 | PER | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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 Xadrez Brasil Open 2011 | Rio de Janeiro/RJ | BRA | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 1994 | 0.50 | 3 | -0.33 | 15 | -4.95 | |
| | Costa, Carlos Evanir | | | 2194 | BRA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | De Carvalho, Jose Jorge | | | 2199 | BRA | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Bil, Angelo | | | 2104 | BRA | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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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