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Individual Calculations September 2009 |
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| Marcelle, Joffrey Total change: 1.95 | |   |
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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 |
| 1985 | 2029 | 3.50 | 6 | 0.13 | 15 | 1.95 | |
|  Noel, Roderick | | | 1856 | TRI | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Sears, Frank | | | 1956 | TRI | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Wiltshire, Esan | | | 1933 | TRI | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Gill, Joseph | | | 1983 | TRI | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Harper, Ryan | f | | 2223 | TRI | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Lee, Cecil | | | 1956 | TRI | 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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