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Individual Calculations May 2013 |
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| Johnson, Joshua Total change: -12.90 | |   |
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| Carifta Junior Ch. 2013 U-16 Absolute | Kingston | JAM | 2013-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 2011 | 1.00 | 3 | -0.86 | 15 | -12.90 | |
|  Walker, Alistair | | | 1879 | JAM | 0.00 | 1 | -0.68 | 15 | -10.20 | |  Richards, Allon | | | 1861 | BAR | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Poon, Yu Tien | | | 2024 | BAR | 0.50 | 1 | 0.02 | 15 | 0.30 | |
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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