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Individual Calculations February 2018 |
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| James, Stuart Total change: -2.60 | |   |
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| John Powell Memorial 2018 [Open] | Kingston, Jamaica | JAM | 2018-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1991 | 3.50 | 5 | -0.13 | 20 | -2.60 | |
|  Lobban, Brandon | | | 1627 | JAM | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Laubscher, Anzel | | wm | 1778 | RSA | 0.50 | 1 | -0.27 | 20 | -5.40 | |  Lyn, Christopher | | | 1709 | JAM | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Campbell, Kevron | | | 1874 | JAM | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Curriah, Malik | | | 2018 | JAM | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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