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Individual Calculations February 2018 |
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| Clarke, Kishan Total change: 13.20 | |   |
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| John Powell Memorial 2018 [Intermediate] | Kingston, Jamaica | JAM | 2018-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1499 | 1376 | 1.00 | 2 | 0.33 | 40 | 13.20 | |
|  Blackwood, Ashanti | | | 1450 | JAM | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Ellis, Rahjay | | | 1548 | JAM | 1.00 | 1 | 0.73 | 40 | 29.20 | |
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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