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Individual Calculations October 2017 |
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| Ellis, Rahjay Total change: -62.80 | |   |
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| St. Jago Open 2017 [Open] | Spanish Town | JAM | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1630 | 1606 | 1.50 | 6 | -1.33 | 40 | -53.20 | |
|  Hinds, Nathan | | | 1876 | JAM | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Walker, Gayon | | | 1439 | JAM | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Murdock, Christopher | | | 1688 | JAM | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Roberts, Rohan | | | 1698 | JAM | 0.50 | 1 | 0.13 | 40 | 5.20 | | | McKoy, Troy | | | 1553 | JAM | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Blackwood, Ashanti | | | 1524 | JAM | 0.00 | 1 | -0.61 | 40 | -24.40 | |
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) | | | | Harold Chan Open 2017 | Kingston | JAM | 2017-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1660 | 1606 | 1.50 | 4 | -0.24 | 40 | -9.60 | |
| | Christie, Joshua | | | 1982 | JAM | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Brown, Raehanna | | | 1272 | JAM | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Nash, De Mario | | | 1680 | JAM | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Barrett, Ariel | | wc | 1704 | JAM | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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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