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Individual Calculations February 2019 |
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| Isaacs, Orion Total change: 28.40 | |   |
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| IA FM John Powell Memorial 2019 FIDE U-1600 Section | Kingston, Jamaica | JAM | 2019-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1381 | 1449 | 3.00 | 4 | 0.71 | 40 | 28.40 | |
|  Williams, Daniel | | | 1103 | JAM | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Watts, Justin | | | 1403 | JAM | 1.00 | 1 | 0.44 | 40 | 17.60 | |  Wright, Davielo | | | 1570 | JAM | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Blackwood, Ashanti | | | 1448 | 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) | | |
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