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Individual Calculations June 2023 |
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| Rovira Mas, Jorge Total change: -26.60 | |   |
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| Campeonato Nacional Senior 2023 Mayores 65 | San Jose | CRC | 2023-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1754 | 2149 | 4.00 | 6 | -1.33 | 20 | -26.60 | |
|  Guerra Cobo, Galo | | | 1579 | CRC | 1.00 | 1 | 0.02 | 20 | 0.40 | |  Mena Vilchez, Ulises | | | 1664 | CRC | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Guillen Murillo, Sergio Guillermo | | | 1684 | CRC | 0.50 | 1 | -0.45 | 20 | -9.00 | | | Salazar Gonzalo, Pablo | | | 2054 | CRC | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Moran, Mike | | | 1749 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Araya Umana, Carlos | c | | 1795 | CRC | 0.50 | 1 | -0.39 | 20 | -7.80 | | | * 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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