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Individual Calculations December 2018 |
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| Seaforth, Sylvan Total change: -28.60 | |   |
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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 |
| 1631 | 1720 | 1.00 | 4 | -1.43 | 20 | -28.60 | |
|  Singh, Ravishen | c | | 2019 | TTO | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Singh, Carlyle | | | 1604 | TTO | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Maynard, David | | | 1554 | TTO | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Lynch, Jennika | | | 1348 | TTO | 0.50 | 1 | -0.40 | 20 | -8.00 | |
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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