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Individual Calculations November 2019 |
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| Mata Tencio, Randall Total change: 112.80 | |   |
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| Campeonato Nacional por Equipos Sub18 Juvenil 2019 | San Ramon y Naranjo | CRC | 2019-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1689 | 2.50 | 4 | 0.54 | 40 | 21.60 | |
|  Quesada Leon, Joshua | | | 1817 | CRC | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Ramirez Madrid, Gerardo Alfonso | f | | 2059 | CRC | 0.50 | 1 | 0.40 | 40 | 16.00 | |  Villegas Rodriguez, Jeremy | | | 1553 | CRC | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Morales Jimenez, Dennis | | | 1396 | CRC | 1.00 | 1 | 0.15 | 40 | 6.00 | |
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) | | | | VII Open Encuentro de Culturas 2019 | Santa Ana | CRC | 2019-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1731 | 1689 | 5.00 | 6 | 2.28 | 40 | 91.20 | |
| | Orozco Centeno, Mariana | | | 1289 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Herrera Granados, Felipe | | | 1360 | CRC | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Campos Sanchez, Roberto | | | 2035 | CRC | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Murillo Tsijli, Manuel | | | 1986 | CRC | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Gonzalez Acosta, Bernal | g | | 2089 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Melendez Arce, Caleth | | | 1628 | CRC | 1.00 | 1 | 0.42 | 40 | 16.80 | | | * 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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