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Individual Calculations April 2008 |
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| Chavez, Ricardo Total change: 11.55 | |   |
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| Internacional de Alajuela 2007 | Alajuela | CRC | 2007-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2288 | 2195 | 3.50 | 6 | 1.11 | 15 | 16.65 | |
|  Iraheta, Rafael | | | 1955 | ESA | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Perelshteyn, Eugene | g | | 2540 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Rocha, Maximiliano | | | 2081 | NCA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Murillo, Alexis | m | | 2322 | CRC | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Arias, Lemmys | f | | 2293 | ESA | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Mitkov, Nikola | g | | 2535 | MKD | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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) | | | | Campeonato Centroamericano Masculino 2007 | San Salvador | ESA | 2007-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2195 | 3.50 | 7 | 0.30 | 15 | 4.50 | |
| | Aguilar, Gustavo | | | 2100 | ESA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Valdes, Leonardo | m | | 2401 | CRC | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Carvajal, Jonathan | | | 2142 | CRC | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Baules, Jorge | f | | 2291 | PAN | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Gonzalez, Bernal | m | | 2434 | CRC | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Martinez, Nelson | f | | 2177 | ESA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Pacheco, Julio | | | 2078 | ESA | 0.50 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | III Open San Salvador | San Salvador | ESA | 2007-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 2195 | 6.00 | 7 | 1.13 | 15 | 16.95 | |
| | Sandoval, Mario | | | 1931 | ESA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Pastor, Tania | | wf | 1972 | ESA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Martinez, Nelson | f | | 2177 | ESA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Hernandez, Virgilio | | | 1996 | ESA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Zepeda, Sonia | | wm | 2045 | ESA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Zepeda, Lorena | | wm | 2145 | ESA | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Mendez, Dimas | | | 2035 | ESA | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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 |
| 2098 | 2195 | 2.00 | 5 | -1.13 | 15 | -16.95 | |
| | Iraheta, Rafael | | | 1972 | ESA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Arias, Lemmys A. | f | | 2293 | ESA | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Chavez, Hector Eduardo | | | 2157 | ESA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Mira, Felix | | | 2040 | ESA | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Mendez, Marlon | | | 2026 | ESA | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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 |
| 2089 | 2195 | 2.50 | 5 | -0.64 | 15 | -9.60 | |
| | Maltes, Sadrac | | | 1845 | CRC | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Fonseca Cabrera, Ernesto | | | 1982 | NCA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Gonzalez, Bernal | m | | 2434 | CRC | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Vives, David | | | 2063 | CRC | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Carranza, Ivan | | | 2122 | NCA | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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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