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Individual Calculations September 2023 |
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| De Oliveira, Tobias Luiz Carvalh Total change: -26.40 | |   |
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| II IRT STD SINOP 2023 | Sinop MT | BRA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1420 | 2.00 | 3 | 0.65 | 40 | 26.00 | |
|  Volpato, Alzir | | | 1379 | BRA | 0.00 | 1 | -0.56 | 40 | -22.40 | |  Vincenzi, Mateus | | | 1279 | BRA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Leite, Coraci De Jesus | | | 1780 | BRA | 1.00 | 1 | 0.90 | 40 | 36.00 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 10 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1357 | 1420 | 0.50 | 3 | -1.31 | 40 | -52.40 | |
| | Zhu, Linxi | | | 1897 | USA | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Navarro Barrios, Andres Daniel | | | 1090 | PAN | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Santana Espin, Emilio Ezequiel | | | 1085 | ECU | 0.00 | 1 | -0.88 | 40 | -35.20 | |
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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