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Individual Calculations April 2008 |
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| Ayala, Rolando Total change: -24.90 | |   |
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| III Open San Salvador | San Salvador | ESA | 2007-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 2064 | 0.00 | 1 | -0.68 | 15 | -10.20 | |
|  Sandoval, Mario | | | 1931 | ESA | 0.00 | 1 | -0.68 | 15 | -10.20 | |
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) | | | | National Championship Absolute El Salvador 2007 | San Salvador | ESA | 2007-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2064 | 1.00 | 4 | -0.75 | 15 | -11.25 | |
| | Arias, Lemmys A. | f | | 2293 | ESA | 0.00 | 1 | -0.21 | 15 | -3.15 | |  Lopez, Carlos Manuel | | | 1866 | ESA | 0.00 | 1 | -0.76 | 15 | -11.40 | | | Rios, Carlos | | | 2193 | ESA | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Aguilar, Gustavo | | | 2100 | ESA | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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) | | | | IV International Tournament Arnoldo Tenorio in Memoriam 2007 | Granada | NCA | 2007-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2064 | 1.00 | 4 | -0.23 | 15 | -3.45 | |
| | Guevara, Martin | f | | 2286 | NCA | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Pilarte, Rene | f | | 2246 | NCA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Bravo, William | f | | 2161 | NCA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Alfaro, William | | | 2151 | NCA | 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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