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Individual Calculations November 2018 |
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| Melo, Sergio Roberto Sampaio Total change: -34.60 | |   |
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| IRT ECP STD Sub 2200 Etapa Peter Schutt 2018 | Sao Paulo SP | BRA | 2018-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1630 | 1750 | 2.50 | 5 | -0.72 | 20 | -14.40 | |
|  Kojima, Rodrigo Yosuke | | | 1416 | BRA | 0.50 | 1 | -0.38 | 20 | -7.60 | |  De Santana, Gabriel Mascarenhas | | | 1459 | BRA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Dos Reis, Leandro Aparecido C | | | 2002 | BRA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Fontella, Amanda Karsburg | | | 1706 | BRA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Gabriel, Claudiomar | | | 1568 | BRA | 0.50 | 1 | -0.24 | 20 | -4.80 | |
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) | | | | III IRT Pensado sub 2200 CXSP | Sao Paulo SP | BRA | 2018-10-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1648 | 1784 | 2.00 | 3 | 0.07 | 20 | 1.40 | |
| | Haraguchi, Diego Sashaki | | | 1397 | BRA | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Miranda, Raul | | | 1579 | POR | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Nicolini, Paulo Giovanni De A. | | | 1969 | BRA | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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) | | | | 4a Etapa do 2o Circuito IRT de Xadrez Sub 2050 Taca PLASPACK | Sao Bento do Sul | BRA | 2018-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1784 | 2.50 | 5 | -1.08 | 20 | -21.60 | |
| | Dias, Henrique Jose Harms | | | 1518 | BRA | 0.00 | 1 | -0.82 | 20 | -16.40 | | | De Lima, Joel Maximino | | | 1395 | BRA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Da Silva Junior, Marco Aurelio | | | 1599 | BRA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Warginowski, Leticia | | | 1384 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Borba, Gabriel | f | | 2033 | BRA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | * 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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