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Individual Calculations September 2023 |
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| La Fleur, Zara Total change: 18.80 | |   |
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| National Women's Chess Championship 2023 | Port of Spain | TTO | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1530 | 1530 | 3.00 | 5 | 0.54 | 40 | 21.60 | |
|  Johnson, Gabriella | | wm | 1824 | TTO | 0.50 | 1 | 0.35 | 40 | 14.00 | |  Singh, Kavira | | | 1161 | TTO | 0.50 | 1 | -0.40 | 40 | -16.00 | | | James, Shemilah | | wc | 1585 | TTO | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Hermoso Rodriguez, Obdulis | | wc | 1949 | TTO | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Martin, Kayla | | | 1130 * | TTO | 1.00 | 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) | | | | XIV CAC Youth Chess Festival 2023 - U18 Female | Port of Spain | TTO | 2023-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1552 | 1507 | 3.50 | 8 | -0.07 | 40 | -2.80 | |
| | Castillo Beitia, Ashley Alexandra | | wc | 1819 | PAN | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Dunat, Kinberlie | | | 1357 | HAI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Gayle, Kaity | | | 1170 | JAM | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Cadeau, Merisena | | | 1440 | HAI | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Stephenson, Amy | | | 1581 | JAM | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Brown, Raehanna | | wc | 1710 | JAM | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Kaslan, Victoria | | wc | 1515 | SUR | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Valdes Boza, Aliett | | wf | 1826 | CUB | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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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