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Individual Calculations January 2015 |
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| Incer Arias, Manuel Total change: 27.60 | |   |
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| II Abierto de Escazu 2014 | Escazu | CRC | 2014-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 1722 | 0.50 | 3 | 0.07 | 40 | 2.80 | |
|  Minero Pineda, Carlos | | | 2075 | CRC | 0.50 | 1 | 0.39 | 40 | 15.60 | |  Fernandez Sibaja, Felipe J | | | 1942 | CRC | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Fernandez Sanchez, Mario Andre | | | 2095 | CRC | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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) | | | NOTE: K factor changed | | Abierto Metropolitano 2014 | San Jose | CRC | 2014-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1722 | 2.50 | 5 | 1.24 | 20 | 24.80 | |
| | Fernandez Sibaja, Felipe J | | | 1942 | CRC | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Murillo Gonzalez, Carlos E | c | | 1917 | CRC | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Aguilar Delgado, Alberto | | | 1753 | CRC | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Chaves Villalobos, David G | | | 1944 | CRC | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Murillo Tsijli, Manuel | | | 2078 | CRC | 0.50 | 1 | 0.39 | 20 | 7.80 | |
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) | | |
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