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Individual Calculations December 2017 |
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| Johnson, Gabriella Total change: -24.40 | |   |
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| National Finals Female 2017 | Port of Spain | TTO | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1582 | 1941 | 5.50 | 7 | -0.73 | 40 | -29.20 | |
|  La Fleur, Zara | | | 1541 * | TTO | 1.00 | 1 | 0.08 | 40 | 3.20 | |  James, Shemilah | | wc | 1541 * | TTO | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ali, Amy | | | 1541 * | TTO | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Soondarsingh, Aditi | | wc | 1699 | TTO | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Razark, Sadiqah | | wf | 1541 * | TTO | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Saha, Anusha | | | 1541 * | TTO | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Yearwood, Shannon | c | wf | 1670 | TTO | 0.50 | 1 | -0.33 | 40 | -13.20 | | | * 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) | | | | F W de Verteuil Memorial Open Chess Tournament | Port of Spain | TTO | 2017-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1969 | 3.00 | 6 | 0.12 | 40 | 4.80 | |
| | Jacobs, Carl | | | 1573 | TTO | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Winter Atwell, Adrian | f | | 2171 | TTO | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Cobham, Marcus | | | 2019 | TTO | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Johnson, Joshua | f | | 2099 | TTO | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Cupid, Kevin | f | | 2163 | TTO | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Ramdath, Simon | | | 1805 | TTO | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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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