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Individual Calculations December 2018 |
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| Jones, David Total change: 5.80 | |   |
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| 26th F. W. De Verteuil Memorial Open Chess Tournament 2018 | Port of Spain | TTO | 2018-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1894 | 3.00 | 6 | -0.17 | 20 | -3.40 | |
|  Singh, Carlyle | | | 1604 | TTO | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Davis, Daryl | c | | 1774 | TTO | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Lee, Cecil | c | | 1782 | TTO | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Harper, Ryan | f | | 2226 | TTO | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Cobham, Marcus | | | 2013 | TTO | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Knight, Colin | | | 1851 | TTO | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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) | | | | National Chess Championships 2018 | Port of Spain | TTO | 2018-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 1894 | 3.00 | 10 | 0.46 | 20 | 9.20 | |
| | Wiltshire, Esan | c | | 2079 | TTO | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Ramdath, Simon | | | 1863 | TTO | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Soondarsingh, Dev | c | | 2049 | TTO | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Winter Atwell, Adrian | f | | 2221 | TTO | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Yee, Frank | f | | 2017 | TTO | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Harper, Ryan | f | | 2226 | TTO | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Johnson, Joshua | f | | 2261 | TTO | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Cupid, Kevin | f | | 2124 | TTO | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Ramoutar, Alan-Safar | f | | 2168 | TTO | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Ramos Caldera, Cesar | c | | 1975 | VEN | 0.50 | 1 | 0.11 | 20 | 2.20 | |
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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