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Individual Calculations December 2019 |
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| Drayton, Doff Total change: -13.00 | |   |
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| National Senior Chess Championships 2019 - Open 50 and 65 | Port of Spain | TTO | 2019-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1556 | 1599 | 1.00 | 3 | -0.65 | 20 | -13.00 | |
|  Sears, Frank | c | | 1853 | TTO | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Maynard, David | | | 1537 | TTO | 0.00 | 1 | -0.59 | 20 | -11.80 | |  Paul, Trevor | | | 1277 | TTO | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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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