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Individual Calculations February 2020 |
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| Gayle, Kaity Total change: 20.40 | |   |
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| National Junior Championship (Female) 2020 | Kingston, Jamaica | JAM | 2020-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1383 | 1200 | 2.50 | 6 | 0.73 | 40 | 29.20 | |
|  Yankana, Alliyah | | | 1419 | JAM | 1.00 | 1 | 0.78 | 40 | 31.20 | |  Brown, Raehanna | | wc | 1600 * | JAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Blake, Johmoi | | | 1279 | JAM | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Clarke, Adani | | wc | 1600 * | JAM | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Stephenson, Amy | | | 1258 | JAM | 0.00 | 1 | -0.42 | 40 | -16.80 | | | McKoy, Arielle | | | 1139 | JAM | 0.50 | 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 |
| 1118 | 1200 | 1.00 | 2 | -0.22 | 40 | -8.80 | |
| | Lalwani, Krish | | | 1072 | JAM | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Shakes, Daniel | | | 1163 | JAM | 1.00 | 1 | 0.45 | 40 | 18.00 | |
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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