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Individual Calculations December 2018 |
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| Harper, Ryan Total change: -26.00 | |   |
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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 |
| 1930 | 2226 | 3.50 | 4 | 0.17 | 20 | 3.40 | |
|  Cupid, Kevin | f | | 2124 | TTO | 1.00 | 1 | 0.36 | 20 | 7.20 | |  Lee, Hayden | | | 1877 | TTO | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Jones, David | | | 1894 | TTO | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Bowles, Andrew | | | 1826 * | TTO | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 2065 | 2226 | 5.50 | 10 | -1.47 | 20 | -29.40 | |
| | Cupid, Kevin | f | | 2124 | TTO | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Ramoutar, Alan-Safar | f | | 2168 | TTO | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Ramos Caldera, Cesar | c | | 1975 | VEN | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Wiltshire, Esan | c | | 2079 | TTO | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Ramdath, Simon | | | 1863 | TTO | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Jones, David | | | 1894 | TTO | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Winter Atwell, Adrian | f | | 2221 | TTO | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Yee, Frank | f | | 2017 | TTO | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Soondarsingh, Dev | c | | 2049 | TTO | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Johnson, Joshua | f | | 2261 | TTO | 1.00 | 1 | 0.55 | 20 | 11.00 | |
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) | | |
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