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Individual Calculations February 2019 |
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| Torres Romero, Cristhian Total change: 8.80 | |   |
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| Abierto Internacional Metropolitano B 2018 | San Jose | CRC | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1445 | 1594 | 5.00 | 8 | -0.44 | 40 | -17.60 | |
|  Hernandez Leandro, Aliza | | | 1311 | CRC | 0.00 | 1 | -0.84 | 40 | -33.60 | |  Herrera Granados, Felipe | | | 1271 | CRC | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Ocampo Arias, Jose Ignacio | | | 1353 | CRC | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Leon Villalobos, Carlos Andres | | | 1423 | CRC | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Arce Mendez, Elias | | | 1684 | CRC | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Quesada Leon, Joshua | | | 1770 | CRC | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Melendez Arce, Caleth | | | 1435 | CRC | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Mayorga Jimenez, Kevin | | | 1310 | CRC | 0.00 | 1 | -0.84 | 40 | -33.60 | |
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 |
| 1508 | 1594 | 6.00 | 9 | 0.66 | 40 | 26.40 | |
| | Quiros Acuna, Nicole | | | 1194 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Solano Cordero, Jorge | | | 1739 | CRC | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Herrera Granados, Felipe | | | 1271 | CRC | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Quesada Leon, Joshua | | | 1770 | CRC | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Arguedas Bolanos, Sharline | | | 1362 | CRC | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Ramirez Madrid, Gerardo Alfonso | f | | 1977 | CRC | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Ramirez Marchena, Carlos Andres | | | 1560 | CRC | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Calvo Campos, Adrian | | | 1506 | CRC | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Alvarez Alvarez, Jonahel | | | 1194 * | CRC | 0.50 | 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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