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Individual Calculations March 2020 |
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| Guillen Murillo, Sergio Guillermo Total change: 37.00 | |   |
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| Campeonato Nacional Senior O65 2020 | San Jose | CRC | 2020-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1685 | 5.00 | 7 | 1.85 | 20 | 37.00 | |
|  Rovira Mas, Jorge | c | | 2085 * | CRC | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Pomares Herrera, Efrain | | | 1504 | CRC | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Alvarado Machado, Verny | | | 1853 | CRC | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Van Der Laat Ulloa, Jorge | | | 1656 | CRC | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Moran, Mike | | | 1422 | CRC | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Guerra Cobo, Galo | | | 1697 | CRC | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Araya Umana, Carlos | c | | 1913 | CRC | 0.00 | 1 | -0.21 | 20 | -4.20 | | | * 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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