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Individual Calculations September 2009 |
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| Ali, Ian Total change: -6.25 | |   |
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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 |
| 1999 | 1821 | 1.00 | 2 | 0.45 | 25 | 11.25 | |
|  Pouchet, Michael | f | | 2073 | TRI | 0.00 | 1 | -0.19 | 25 | -4.75 | |  Smith, Javanna | | wc | 1924 | TRI | 1.00 | 1 | 0.64 | 25 | 16.00 | |
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) | | | | Caribbean Chess Carnival 2009 - Open | Port of Spain | TRI | 2009-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 1821 | 0.50 | 6 | -0.70 | 25 | -17.50 | |
| | Joseph, Marcus | | | 2158 | TRI | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Cobham, Marcus | | | 2097 | TRI | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Duncan, Leonard | | | 2036 | TRI | 0.50 | 1 | 0.27 | 25 | 6.75 | | | Ramadhar, Kishore | | | 2099 | TRI | 0.00 | 1 | -0.17 | 25 | -4.25 | | | Paul, Jayson | | | 1913 | TRI | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Ramos, Cesar | | | 2124 | VEN | 0.00 | 1 | -0.14 | 25 | -3.50 | |
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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