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Individual Calculations February 2018 |
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| Patman, Tivon Total change: -2.80 | |   |
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| John Powell Memorial 2018 [Open] | Kingston, Jamaica | JAM | 2018-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1247 | 0.50 | 4 | -0.07 | 40 | -2.80 | |
|  Belinfante, Nathan | | | 1647 * | JAM | 0.00 | 1 | -0.08 | 40 | -3.20 | |  McKoy, Troy | | | 1556 | JAM | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Yankana, Alliyah | | | 1420 | JAM | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Hercules, Andrew | | | 1643 | JAM | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | |
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