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Individual Calculations June 2023 |
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| Valverde Vega, Santiago Total change: 7.20 | |   |
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| Campeonato Nacional Impares 2023 U15 | San Jose | CRC | 2023-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1257 | 1213 | 1.50 | 3 | 0.18 | 40 | 7.20 | |
|  Chaves Solis, Santiago | | | 1109 | CRC | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Brizuela Hidalgo, Sebastian | | | 1315 | CRC | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Jimenez Valverde, Benjamin Isaac | | | 1347 | CRC | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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