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Individual Calculations July 2018 |
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| Arroyo Valverde, Luis Emilio Total change: 18.60 | |   |
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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 |
| 1966 | 1883 | 2.50 | 4 | 0.93 | 20 | 18.60 | |
|  Villagra Arce, Henry | | | 1846 | CRC | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Cabrera Chaves, Marco Antonio | | | 2088 | CRC | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Jimenez Sancho, Pedro Pablo | | | 1904 | CRC | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Castro Madrigal, Randall | | | 2026 | CRC | 1.00 | 1 | 0.69 | 20 | 13.80 | |
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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