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Individual Calculations January 2012 |
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| Alvarez Hernandez, David Total change: 22.95 | |   |
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| Abierto Joaquin Gutierrez i.m. | San Jose | CRC | 2011-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2004 | 4.50 | 6 | 1.61 | 15 | 24.15 | |
|  Nadal Monzonis, Jorge | | | 1767 | ESP | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Arroyo, Luis | | | 1937 | CRC | 0.50 | 1 | -0.09 | 15 | -1.35 | |  Brenes, Juan Carlos | | | 1959 | CRC | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Carvajal Gorgona, Jonathan | | | 2177 | CRC | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Angulo Cubero, Oscar | | | 2012 | CRC | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Chinchilla, Eugenio | f | | 2266 | CRC | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | Abierto Metropolitano | San Jose | CRC | 2011-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2035 | 2.00 | 4 | -0.08 | 15 | -1.20 | |
| | Jimenez Sancho, Pedro Pablo | | | 1926 | CRC | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Esquivel, Jose Edmond | | | 1960 | CRC | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Solano Cruz, Agustin | | | 2019 | CRC | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Ruiz Blais, Sebastian | | | 2173 | CRC | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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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