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Individual Calculations March 2020 |
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| Alvarado Machado, Verny Total change: 27.40 | |   |
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| Campeonato Nacional Senior O65 2020 | San Jose | CRC | 2020-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1853 | 5.00 | 6 | 1.37 | 20 | 27.40 | |
|  Van Der Laat Ulloa, Jorge | | | 1656 | CRC | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Moran, Mike | | | 1453 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Guerra Cobo, Galo | | | 1697 | CRC | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Araya Umana, Carlos | c | | 1913 | CRC | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Guillen Murillo, Sergio Guillermo | | | 1685 | CRC | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Rovira Mas, Jorge | c | | 2203 | 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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