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Individual Calculations February 2020 |
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| Abrahams, Addison Total change: 10.80 | |   |
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| IA FM John Powell Memorial Open 2020 FIDE U-1600 Section | Kingston, Jamaica | JAM | 2020-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1270 | 1385 | 3.50 | 5 | 0.27 | 40 | 10.80 | |
|  Stephenson, Amy | | | 1258 | JAM | 1.00 | 1 | 0.33 | 40 | 13.20 | |  Udeagha, Christopher | | | 1321 | JAM | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Stephens, Kamari | | | 1364 | JAM | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Smith, Keith | | | 1089 | JAM | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Cato, Khatray | | | 1317 | JAM | 0.50 | 1 | -0.09 | 40 | -3.60 | |
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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