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Individual Calculations October 2019 |
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| Abrahams, Addison Total change: 23.60 | |   |
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| NM Dr. Harold Chan Open 2019 - FIDE Open Section | Kingston, Jamaica | JAM | 2019-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1551 | 1307 | 2.00 | 6 | 0.59 | 40 | 23.60 | |
|  Nash, De Mario | | | 1707 * | JAM | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Grant, Chevaughn | | | 1707 * | JAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | McKoy, Troy | | | 1528 | JAM | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Stephenson, John | | | 1498 | JAM | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Griffiths, Laila | | | 1168 | JAM | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Clarke, Adani | | wc | 1695 | JAM | 0.00 | 1 | -0.09 | 40 | -3.60 | | | * 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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