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Individual Calculations October 2023 |
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| Da Costa, Mariana Nara Santana Total change: -17.20 | |   |
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| Festival Regional Sul de Xadrez 2023 Taca E M Campeao Colegio Froebel | Rio Negrinho SC | BRA | 2023-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1671 | 1548 | 2.00 | 4 | 0.33 | 40 | 13.20 | |
|  Fischer Junior, Donaldo | | | 1732 | BRA | 0.50 | 1 | 0.24 | 40 | 9.60 | |  De Souza, Joao Francisco Biz | | | 1460 | BRA | 0.50 | 1 | -0.12 | 40 | -4.80 | | | De Oliveira, Gustavo Alfredo Bue | | | 2156 | BRA | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Maia, Vinicius Blaskoski | | | 1337 | BRA | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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) | | | | III Floripa Spring Chess 2023 - U2000 | Florianopolis SC | BRA | 2023-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1548 | 1.50 | 5 | -0.76 | 40 | -30.40 | |
| | Hataby, Raed | | | 1904 | SYR | 0.00 | 1 | -0.11 | 40 | -4.40 | | | De Oliveira, Rafael Jose Magnanti | | | 1339 | BRA | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Panazzolo, Paulo Victor | | | 1746 | BRA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Mariani, Kim Paul | | | 1643 | BRA | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Schneider, Nicole Moritz | | | 1339 | BRA | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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) | | |
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