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Individual Calculations February 2019 |
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| Zeledon Perez, Edgar Total change: 13.60 | |   |
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| Abierto Internacional Metropolitano Premier 2018 | San Jose | CRC | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 1806 | 5.00 | 9 | 1.50 | 40 | 60.00 | |
|  Tapia, Alexei | f | | 2206 * | PAN | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Chaves Solera, Milton | | | 1551 | CRC | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Solis L., Efren A. | c | | 1988 | CRC | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Vega Araya, Edwin | | | 1848 | CRC | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Chaves Sanchez, Gabriel A | | | 2142 | CRC | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Shih Gould, Danny | f | | 1734 | CRC | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Marin Masis, Jose Esteban | c | | 1928 | CRC | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Villagra Arce, Henry | | | 1889 | CRC | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Lobo, Antonio | | | 1828 | PAN | 1.00 | 1 | 0.53 | 40 | 21.20 | | | * 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) | | | | Campeonato Nacional Juvenil Absoluto Sub18 2019 | San Jose | CRC | 2019-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1882 | 5.50 | 8 | -1.16 | 40 | -46.40 | |
| | Rodriguez Jimenez, Jose Daniel | | | 1489 | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ramirez Marchena, Carlos Andres | | | 1560 | CRC | 0.00 | 1 | -0.87 | 40 | -34.80 | | | Calvo Campos, Adrian | | | 1506 | CRC | 0.00 | 1 | -0.91 | 40 | -36.40 | | | Quesada Leon, Joshua | | | 1770 | CRC | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Cedeno Caceres, Stif | | | 1482 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Hernandez Leandro, Aliza | | | 1482 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Solano Cordero, Jorge | | | 1739 | CRC | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Mata Tencio, Randall | | | 1660 | CRC | 0.50 | 1 | -0.28 | 40 | -11.20 | | | * 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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