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Individual Calculations January 2010 |
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| Ferrufino, Alfonso Total change: 17.25 | |   |
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| Torneo Abierto "MAX EUWE" - GESTIÓN 2009 | Cochabamba | BOL | 2009-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 2222 | 4.50 | 6 | 0.31 | 25 | 7.75 | |
|  Rojas, Gustavo | | | 2002 | BOL | 1.00 | 1 | 0.22 | 25 | 5.50 | |  Serrano, Marcelo | | | 2168 | BOL | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Monroy, Osbaldo | | | 1968 | BOL | 1.00 | 1 | 0.19 | 25 | 4.75 | | | Molina, Ruben | | | 1999 | BOL | 0.50 | 1 | -0.28 | 25 | -7.00 | | | Meijer, Johannes | | | 2234 | NED | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Torrico, Mirko | | | 2019 | BOL | 0.50 | 1 | -0.26 | 25 | -6.50 | |
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) | | | | Torneo Nacional por Equipos Bolivia | Sucre | BOL | 2009-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 2222 | 1.00 | 1 | 0.38 | 25 | 9.50 | |
| | Rengel, Mario | | | 2135 | BOL | 1.00 | 1 | 0.38 | 25 | 9.50 | |
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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