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Individual Calculations May 2017 |
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| Brown, Akeem Total change: 25.20 | |   |
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| National Junior Championship (Abs) 2017 - Playoff | Kingston, Jamaica | JAM | 2017-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1975 | 2.50 | 3 | 1.00 | 40 | 40.00 | |
|  Christie, Joshua | | | 1974 | JAM | 1.00 | 1 | 0.50 | 40 | 20.00 | |  Christie, Joshua | | | 1974 | JAM | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Christie, Joshua | | | 1974 | JAM | 1.00 | 1 | 0.50 | 40 | 20.00 | |
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) | | | | Carifta Chess Championship U-20 Absolute | Kingston, Jamaica | JAM | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 1975 | 1.50 | 4 | -0.37 | 40 | -14.80 | |
| | Daley, Lamar | | | 1575 * | JAM | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Poon, Yu Tien | f | | 2181 | BAR | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Husbands, Orlando | f | | 2278 | BAR | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Curriah, Malik | | | 1924 | JAM | 0.50 | 1 | -0.07 | 40 | -2.80 | | | * 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) | | |
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