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Individual Calculations October 2022 |
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| Tacuchian, Marcelo Oliveira Total change: 10.40 | |   |
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| Maia Chess Open 2022 | Maia | POR | 2022-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1725 | 1378 | 0.50 | 6 | -0.53 | 20 | -10.60 | |
|  Morais, Miguel Almeida | | | 1843 | POR | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Samuel Lares, Jairo | | | 2024 | ESP | 0.00 | 1 | -0.01 | 20 | -0.20 | |  Obon Zuniga, Francisco | | | 1765 | ESP | 0.50 | 1 | 0.41 | 20 | 8.20 | | | Coelho, Goncalo Cavaz | | | 1656 | POR | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Almeida, Joao Afonso | | | 1285 | POR | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Guerra, Jose Antonio Goulart De | | | 1779 | POR | 0.00 | 1 | -0.08 | 20 | -1.60 | |
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) | | | | Torneio AXPortugal Classicas U2400 - T13 | Lisboa | POR | 2022-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1516 | 1378 | 2.00 | 3 | 1.05 | 20 | 21.00 | |
| | Pereira, Andre Marques | | | 1572 | BRA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Bravo, Ricardo Antonio Rodrigues | | | 1502 | POR | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Pereira, Jose Antonio Gomes Sousa | | | 1474 | POR | 1.00 | 1 | 0.63 | 20 | 12.60 | |
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) | | |
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