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Individual Calculations October 2012 |
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| Gutierrez, Oscar Total change: 27.75 | |   |
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| Memorial Rosa Castro 2012 | Moravia | CRC | 2012-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2072 | 4.00 | 5 | 2.23 | 15 | 33.45 | |
|  Hernandez Basante, Francisco | m | | 2235 | CRC | 1.00 | 1 | 0.72 | 15 | 10.80 | |  Urbina Quiroz, Edwin | | | 2102 | CRC | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Montenegro Masis, Pedro | | | 2109 | CRC | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Ortiz, Marcos | | | 2171 | NCA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Duran Vega, Sergio | f | | 2297 | CRC | 0.50 | 1 | 0.28 | 15 | 4.20 | |
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 Abierto 2012 | San Jose | CRC | 2012-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2072 | 2.00 | 5 | -0.38 | 15 | -5.70 | |
| | Jimenez Garcia, Emanuel, Mn | | | 2069 | CRC | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Vargas Serano, Pablo | | | 2031 | CRC | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Chinchilla, Eugenio, Mf | f | | 2183 | CRC | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Hernandez Basante, Francisco, Mi | m | | 2235 | CRC | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Arroyo Valverde, Luis | | | 1932 | CRC | 1.00 | 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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