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Individual Calculations April 2009 |
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| Contreras, Jose Total change: 10.80 | |   |
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| TORNEO ELO FIDE CALLAO 2008 | Bellavista-Callao | PER | 2008-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2189 | 2.00 | 4 | -0.83 | 15 | -12.45 | |
|  Temple, Victor | | | 1927 | PER | 0.50 | 1 | -0.32 | 15 | -4.80 | |  Pena Morales, Hugo | | | 2068 | PER | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Henostroza, Cesar | | | 2190 | PER | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Principe, Alexander | f | | 1896 | PER | 0.50 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | III IRT CLUB PERUANO DE AJEDREZ | Lima | PER | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2157 | 2206 | 5.00 | 8 | 0.52 | 15 | 7.80 | |
| | Principe, Alexander | f | | 1916 | PER | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Cori, Jorge | f | | 2370 | PER | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Vega, Marcelino | | | 2209 | PER | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Padilla, Hugo | | | 2191 | PER | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Aliaga Fernandez, Ingrid Y | | wf | 2055 | PER | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Vera Siguenas, Deivy | | | 2221 | PER | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Celis Sanchez, Carlos | f | | 2227 | PER | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Pena Morales, Hugo | | | 2064 | PER | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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 IRT CLUB PERUANO DE AJEDREZ | Lima | PER | 2009-02-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2093 | 2206 | 5.50 | 7 | 1.03 | 15 | 15.45 | |
| | Orbezo Rosales, Ximena Lucia | | | 1856 | PER | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Mamani, Joan Franco | | | 2018 | PER | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Vera Siguenas, Deivy | | | 2221 | PER | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Palacios, Efrain | | | 2134 | PER | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Carbajal, Augusto | | | 2185 | PER | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Padilla, Hugo | | | 2191 | PER | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Suasnabar, Jesus | | | 2044 | PER | 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) | | |
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