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Individual Calculations September 2011 |
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| Holness, Mark Total change: -21.75 | |   |
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| St. Jago Open "Elite" | Spanish Town | JAM | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 1998 | 1.50 | 4 | -0.13 | 15 | -1.95 | |
|  Davy, Damion | | | 2023 | JAM | 0.00 | 1 | -0.47 | 15 | -7.05 | |  Matthews, Shane | f | | 2221 | JAM | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Wilson, Brandon | | | 2114 | JAM | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Brooks, Paul | | | 1928 | JAM | 1.00 | 1 | 0.40 | 15 | 6.00 | |
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) | | | | National Championship 2011 | Kingston | JAM | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1998 | 2.50 | 7 | -1.32 | 15 | -19.80 | |
| | Mellace, Andrew | | | 1998 | JAM | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Myers, Peter | | | 2059 | JAM | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Henry, Mark | | | 1831 | JAM | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Brooks, Paul | | | 1928 | JAM | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Thomas, Peter | | | 1991 | JAM | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Wilkinson, Ian | | | 1929 | JAM | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Davy, Damion | | | 2023 | JAM | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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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