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Individual Calculations September 2009 |
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| Gill, Joseph Total change: -18.90 | |   |
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| Trinidad and Tobago 3rd Preliminary National Championship Open 2009 | San Fernando | TRI | 2009-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 1983 | 1.00 | 5 | -1.30 | 15 | -19.50 | |
|  Joseph, Marcus | | | 2158 | TRI | 0.00 | 1 | -0.27 | 15 | -4.05 | |  Noel, Roderick | | | 1856 | TRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Pouchet, Michael | f | | 2073 | TRI | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Marcelle, Joffrey | | | 2029 | TRI | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Lee, Cecil | | | 1956 | TRI | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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) | | | | XX Panamericano Mar del Plata U18 Abs | Mar del Plata | ARG | 2009-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 1983 | 2.50 | 7 | 0.04 | 15 | 0.60 | |
| | Pulvett, Daniel | | | 2223 | VEN | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Hurtado Bahamonde, Matias | | | 1931 | CHI | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Sanchez Maya, Simon | | | 2203 | COL | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Olivares Olivares, Claudio | | | 1988 | CHI | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Bianchi, Lucas | | | 2144 | ARG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Escudero Donoso, Felipe | | | 2094 | CHI | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Torsani Pires, Marcos Vinicius | | | 2100 | BRA | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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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