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Individual Calculations January 2013 |
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| Sinclair, Devlin Total change: -4.50 | |   |
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| Jamaica Open 2012 | Negril | JAM | 2012-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 2203 | 3.00 | 4 | -0.30 | 15 | -4.50 | |
|  Gray, Krishna | | | 1803 * | JAM | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Holness, Mark | c | | 1962 | JAM | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Blackwood, Ryan | | | 1949 | JAM | 0.00 | 1 | -0.81 | 15 | -12.15 | | | Richards, Deborah | | wf | 1992 | JAM | 1.00 | 1 | 0.23 | 15 | 3.45 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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