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Individual Calculations February 2020 |
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| Brown, Raehanna Total change: -100.40 | |   |
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| National Junior Championship (Female) 2020 | Kingston, Jamaica | JAM | 2020-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1393 | 1672 | 6.00 | 7 | 0.38 | 40 | 15.20 | |
|  McKoy, Arielle | | | 1272 * | JAM | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Gayle, Kaity | | | 1272 * | JAM | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Clarke, Adani | | wc | 1698 | JAM | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Curwin, Nickaylah | | | 1544 | JAM | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Watson, Gabriella | | | 1272 * | JAM | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Stephenson, Amy | | | 1272 * | JAM | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Yankana, Alliyah | | | 1419 | JAM | 1.00 | 1 | 0.19 | 40 | 7.60 | | | * 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) | | | | National Junior Championships (Fem) 2020 Playoffs | Kingston, Jamaica | JAM | 2020-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1698 | 1672 | 0.00 | 3 | -1.38 | 40 | -55.20 | |
| | Clarke, Adani | | wc | 1698 | JAM | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Clarke, Adani | | wc | 1698 | JAM | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Clarke, Adani | | wc | 1698 | JAM | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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 Open Section | Kingston, Jamaica | JAM | 2020-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1558 | 1672 | 1.00 | 4 | -1.51 | 40 | -60.40 | |
| | Williams, Daniel O | | | 1294 | JAM | 0.00 | 1 | -0.91 | 40 | -36.40 | | | McDonald, Jhustice-Dimonte | | | 1828 | JAM | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Stephenson, John | | | 1627 | JAM | 1.00 | 1 | 0.44 | 40 | 17.60 | | | McKoy, Troy | | | 1481 | JAM | 0.00 | 1 | -0.75 | 40 | -30.00 | |
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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