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Individual Calculations February 2018 |
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| Myers, Peter Total change: -11.60 | |   |
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| John Powell Memorial 2018 [Open] | Kingston, Jamaica | JAM | 2018-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1704 | 1935 | 4.00 | 6 | -0.58 | 20 | -11.60 | |
|  Lyn, Nicholas | | | 1548 | JAM | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Byfield, Geoffrey | | | 2016 | JAM | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Campbell, Tevin | | | 1652 | JAM | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Laubscher, Anzel | | wm | 1778 | RSA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Johnson, Obrian | | | 1673 | JAM | 1.00 | 1 | 0.18 | 20 | 3.60 | | | McKoy, Troy | | | 1556 | JAM | 1.00 | 1 | 0.09 | 20 | 1.80 | |
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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