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Individual Calculations October 2017 |
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| Gray, Krishna Total change: -20.20 | |   |
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| Harold Chan Open 2017 | Kingston | JAM | 2017-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1595 | 1696 | 1.50 | 4 | -1.01 | 20 | -20.20 | |
|  Walker, Lontae | | | 1552 | JAM | 0.00 | 1 | -0.69 | 20 | -13.80 | |  McKennis, Darren | | | 1347 | JAM | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Merritt, Kevin | | | 2044 | JAM | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Porter, Rochelle | | | 1436 | JAM | 0.50 | 1 | -0.32 | 20 | -6.40 | |
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) | | |
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