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Individual Calculations July 2010 |
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| Montoya, Cristian Total change: -7.35 | |   |
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| II Copa Consultecnica | San Jose | CRC | 2010-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 1931 | 0.00 | 1 | -0.27 | 15 | -4.05 | |
|  Solis, Efren | | | 2108 | CRC | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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 Clasificatorio | Moravia | CRC | 2010-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2011 | 1931 | 1.00 | 5 | -0.96 | 15 | -14.40 | |
|  Vargas Serano, Pablo | | | 2009 | CRC | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Needham, Bryan | | | 2010 | CRC | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Zamora Mejias, Alonso | | | 2022 | CRC | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Murillo Ortiz, Gustavo | | | 1954 | CRC | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Bermudez Munoz, Alexander | | | 2058 | CRC | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | II Memorial Fischer | San Jose | CRC | 2010-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 1931 | 1.50 | 2 | 0.74 | 15 | 11.10 | |
| | Monge Calvo, Hugo | | | 1964 | CRC | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Rodriguez, Adolfo | | | 2074 | CRC | 0.50 | 1 | 0.19 | 15 | 2.85 | |
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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