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Individual Calculations January 2012 |
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| Castillo, Rommel Total change: -38.70 | |   |
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| Final Campeonato Nacional Absoluto 2011 | San Jose | CRC | 2011-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2129 | 3.50 | 11 | -1.02 | 15 | -15.30 | |
|  Alfaro Rojas, Alfonso | | | 2239 | CRC | 0.00 | 1 | -0.35 | 15 | -5.25 | |  Gonzalez, Bernal | m | | 2433 | CRC | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Murillo, Alexis | m | | 2301 | CRC | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Cabrera, Marco Antonio | | | 2154 | CRC | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Needham, Bryan | | | 2031 | CRC | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Minero Pineda, Carlos | | | 2052 | CRC | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Duran Vega, Sergio | | | 2211 | CRC | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Valdes, Leonardo | m | | 2387 | CRC | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Bermudez Munoz, Alexander | | | 2064 | CRC | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Munoz, Carolina | | wm | 2017 | CRC | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Arias Santana, Mauricio | m | | 2327 | CRC | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | I Campeonato Centroamericano Por Equipos Open | San Jose | CRC | 2011-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2164 | 2140 | 0.50 | 4 | -1.40 | 15 | -21.00 | |
| | Gonzalez, Bernal | m | | 2416 | CRC | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Mathews, Cesar | c | | 1980 | PAN | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Colindres, Daniel | f | | 2256 | HON | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Arias, Daniel | | | 2005 | ESA | 0.50 | 1 | -0.18 | 15 | -2.70 | |
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 |
| 2030 | 2140 | 3.00 | 5 | -0.16 | 15 | -2.40 | |
| | Montes Fonseca, Oscar | | | 1935 | CRC | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Ruiz Blais, Sebastian | | | 2173 | CRC | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Campos Cerdas, Jorge | | | 1967 | CRC | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Castro Garcia, Adrian | | | 1851 | CRC | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Duran Vega, Sergio | | | 2226 | CRC | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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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