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Individual Calculations July 2018 |
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| Urbina Quiroz, Edwin Total change: -0.20 | |   |
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| Campeonato Nacional Clasico de Ajedrez por Equipos FCA 2018 | San Jose | CRC | 2018-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 2165 | 5.00 | 7 | -0.01 | 20 | -0.20 | |
|  Mendez Reyes, Oscar | | | 1803 | CRC | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Hernandez Coto, Carlos Enrique | | | 1947 | CRC | 0.50 | 1 | -0.28 | 20 | -5.60 | |  Castro Madrigal, Randall | | | 2026 | CRC | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Murillo Tsijli, Alexis | m | | 2275 | CRC | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Chaves Sanchez, Gabriel A | | | 2122 | CRC | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Porras Chavarria, Steve | | | 1831 | CRC | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Zeledon Perez, Edgar | | | 1867 | CRC | 0.50 | 1 | -0.35 | 20 | -7.00 | |
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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