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Individual Calculations October 2008 |
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| Principe Tolentino, Alexander Total change: -12.50 | |   |
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| IRT Rio de Janeiro | Lima | PER | 2008-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 1912 | 2.00 | 11 | -1.10 | 25 | -27.50 | |
|  Requejo, Oswaldo | | | 2262 | PER | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Terry, Renato | f | | 2259 | PER | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Aliaga Fernandez, Ingrid Y | | wf | 2072 | PER | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Suasnabar, Jesus | | | 2114 | PER | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Pena Morales, Hugo | | | 1887 | PER | 0.00 | 1 | -0.53 | 25 | -13.25 | | | Calcina, Gary | | | 2182 | PER | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Pacheco, Marco | f | | 2262 | PER | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Navarro, Edmundo | | | 2004 | PER | 0.50 | 1 | 0.13 | 25 | 3.25 | | | Donayre, Bertin | | | 1968 | PER | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Moreno, Carlos | | | 2026 | PER | 0.50 | 1 | 0.16 | 25 | 4.00 | | | Principe, Gerson | | | 1977 | PER | 0.50 | 1 | 0.09 | 25 | 2.25 | |
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) | | | NOTE: K factor changed | | TORNEO IRT CLUB CAJABAMBA CATEGORIA U-2100 | Lima | PER | 2008-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1909 | 2.50 | 6 | 0.25 | 15 | 3.75 | |
| | Principe, Gerson | | | 1957 | PER | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Moreno, Carlos | | | 2026 | PER | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Pena Morales, Hugo | | | 1986 | PER | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Cruz Romani, Juan | | | 2068 | PER | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Alzola, Enrique | | | 2072 | PER | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Marin, Alvar | | | 1896 | PER | 0.00 | 1 | -0.52 | 15 | -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) | | | NOTE: K factor changed | | I Torneo Club Peruano de Ajedrez | Lima | PER | 2008-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 1909 | 1.00 | 4 | -0.12 | 15 | -1.80 | |
| | Pacheco, Marco | f | | 2259 | PER | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Fernandez, Fernando | | | 2231 | PER | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Angulo, Alberto | | | 2047 | PER | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Moreno Miranda, Miguel | | | 1861 | PER | 1.00 | 1 | 0.43 | 15 | 6.45 | |
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 | | XIX Panam.Fest U12 Boys | Carlos Paz, Cordoba | ARG | 2008-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 1909 | 2.00 | 3 | 0.87 | 15 | 13.05 | |
| | Henriquez Villagra, Cristobal | | | 2129 | CHI | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Shumyatsky, Victor | | | 2047 | BRA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Coripuna Andrade, Chrystian Omar | | | 1833 | PER | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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) | | |
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