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Individual Calculations September 2015 |
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| Johnson, Gabriella Total change: -5.60 | |   |
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| Pan American Life PALADINS Open 2015 | Port of Spain | TTO | 2015-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1658 | 0.50 | 4 | -0.35 | 40 | -14.00 | |
|  Wiltshire, Esan | c | | 2055 | TTO | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ali, Ian | | | 1810 | TTO | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Soondarsingh, Dev | c | | 1990 | TTO | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Thomas, Rickson | | | 1766 | TTO | 0.50 | 1 | 0.15 | 40 | 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) | | | | Caribbean Chess Carnival 2015 Under 20 | Port of Spain | TTO | 2015-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1775 | 1658 | 2.00 | 5 | 0.21 | 40 | 8.40 | |
| | Prescod, Bryan | | | 1998 | BAR | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Parsons, Justin | | | 1472 | BAR | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Smith, Javanna | | wf | 1775 | TTO | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Richards, Allon | | | 1771 | BAR | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Singh, Mahendra | | | 1861 | TTO | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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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