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Individual Calculations September 2021 |
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| Do Nascimento, Christian Almeida Total change: 2.60 | |   |
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| Campeonato Pernambucano de Xadrez STD 2020 | Recife PE | BRA | 2021-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 2034 | 2.00 | 3 | 0.16 | 20 | 3.20 | |
|  Da Silva, Erick Feitosa | | | 1772 | BRA | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Andrade, Erastro Trajano De | | | 1880 | BRA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Bouwman, Marcelo Wanderley | | | 2179 | BRA | 0.00 | 1 | -0.31 | 20 | -6.20 | |
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) | | | | I Aberto Brasil de Bom Jesus do Itabapoana 2021 | Bom Jesus do Itabapoana | BRA | 2021-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2024 | 2034 | 2.50 | 5 | -0.03 | 20 | -0.60 | |
| | Sampaio, Andre Luiz | | | 1660 | BRA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Limp, Eduardo Thelio | m | | 2366 | BRA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Da Matta, Eduardo Cesar | | | 2025 | BRA | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Dionisio, Alex Monteiro | | | 1634 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lima, Darcy | g | | 2434 * | BRA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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