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Individual Calculations June 2023 |
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| Araya Umana, Carlos Total change: 10.20 | |   |
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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 |
| 1798 | 1795 | 3.00 | 5 | 0.51 | 20 | 10.20 | |
|  Guillen Murillo, Sergio Guillermo | | | 1684 | CRC | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Tenorio Cordero, Jose Noel | | | 1406 | CRC | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Salazar Gonzalo, Pablo | | | 2054 | CRC | 0.50 | 1 | 0.32 | 20 | 6.40 | |  Rovira Mas, Jorge | c | | 2149 | CRC | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Brizuela Benavides, Jorge | | | 1695 | CRC | 1.00 | 1 | 0.36 | 20 | 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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