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Individual Calculations September 2011 |
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| Wilkinson, Ian Total change: -5.85 | |   |
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| Robert Wheeler Open | Kingston | JAM | 2011-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 1933 | 0.00 | 1 | -0.38 | 15 | -5.70 | |
|  Davy, Damion | | | 2023 | JAM | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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) | | | | St. Jago Open "Elite" | Spanish Town | JAM | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2058 | 1929 | 0.50 | 3 | -0.48 | 15 | -7.20 | |
|  Richards, Deborah | | wf | 1998 | JAM | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Byfield, Geoffrey | | | 2061 | JAM | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Wilson, Brandon | | | 2114 | JAM | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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 |
| 1975 | 1929 | 3.50 | 7 | 0.47 | 15 | 7.05 | |
| | Mellace, Andrew | | | 1998 | JAM | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Myers, Peter | | | 2059 | JAM | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Henry, Mark | | | 1831 | JAM | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Brooks, Paul | | | 1928 | JAM | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Holness, Mark | c | | 1998 | JAM | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Thomas, Peter | | | 1991 | JAM | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Davy, Damion | | | 2023 | JAM | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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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