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Individual Calculations April 2008 |
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| Bravo, William Total change: -24.60 | |   |
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| Campeonato Centroamericano Masculino 2007 | San Salvador | ESA | 2007-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2184 | 2161 | 1.50 | 7 | -1.79 | 15 | -26.85 | |
|  Arias, Lemmys | f | | 2293 | ESA | 0.50 | 1 | 0.18 | 15 | 2.70 | |  Valdes, Rances | | | 2108 | PAN | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Leyva, Hector | m | | 2409 | ESA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Urbina, Ricardo | m | | 2272 | HON | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Carranza, Ivan | | | 2122 | NCA | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Velasquez, Oscar | | | 2115 | ESA | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Iraheta, Rafael | | | 1972 | ESA | 0.00 | 1 | -0.75 | 15 | -11.25 | |
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) | | | | Team Nicaragua Chess National Championship | Managua | NCA | 2007-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2125 | 2161 | 4.50 | 6 | 1.21 | 15 | 18.15 | |
| | Velasquez, Rommel | | | 2112 | NCA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Ramos, Efren Andres | | | 2172 | NCA | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Ruiz, Juan Bosco | | | 2098 | NCA | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Sanchez, Gabriel | | | 2235 | NCA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Espinoza, Jose | | | 2134 | NCA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Lezama, Douglas | | | 1999 | NCA | 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) | | | | IV International Tournament Arnoldo Tenorio in Memoriam 2007 | Granada | NCA | 2007-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 2161 | 2.00 | 5 | -1.06 | 15 | -15.90 | |
| | Gonzalez, Bernal | m | | 2434 | CRC | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Vargas Serano, Pablo | | | 1819 | CRC | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Pastor, Tania | | wf | 1972 | ESA | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Ayala, Rolando | | | 2064 | ESA | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Vives, David | | | 2063 | CRC | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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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