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Individual Calculations February 2020 |
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| Stephenson, Amy Total change: 11.60 | |   |
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| National Junior Championship (Female) 2020 | Kingston, Jamaica | JAM | 2020-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1484 | 1258 | 1.00 | 4 | -0.03 | 40 | -1.20 | |
|  Clarke, Adani | | wc | 1658 * | JAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Yankana, Alliyah | | | 1419 | JAM | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Gayle, Kaity | | | 1200 | JAM | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Brown, Raehanna | | wc | 1658 * | JAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | IA FM John Powell Memorial Open 2020 FIDE U-1600 Section | Kingston, Jamaica | JAM | 2020-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1339 | 1258 | 1.50 | 3 | 0.32 | 40 | 12.80 | |
| | Abrahams, Addison | | | 1385 | JAM | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Graham, Michael | | | 1222 | JAM | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Bauman, James | | | 1411 | JAM | 0.50 | 1 | 0.20 | 40 | 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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