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Individual Calculations September 2011 |
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| Davy, Damion Total change: 29.55 | |   |
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| Robert Wheeler Open | Kingston | JAM | 2011-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 2023 | 4.50 | 6 | 1.04 | 15 | 15.60 | |
|  Henry, Mark | | | 1831 | JAM | 1.00 | 1 | 0.25 | 15 | 3.75 | |  Brooks, Paul | | | 1928 | JAM | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Ramsay, Zachary | | | 1958 | JAM | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Wilkinson, Ian | | | 1933 | JAM | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Porter, Russel | c | | 2140 | JAM | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Mellace, Andrew | | | 1998 | JAM | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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 |
| 2018 | 2023 | 1.50 | 3 | -0.01 | 15 | -0.15 | |
| | Holness, Mark | c | | 1998 | JAM | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Mellace, Andrew | | | 1998 | JAM | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Myers, Peter | | | 2059 | JAM | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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 |
| 1962 | 2023 | 5.00 | 7 | 0.94 | 15 | 14.10 | |
| | Thomas, Peter | | | 1991 | JAM | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Mellace, Andrew | | | 1998 | JAM | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Myers, Peter | | | 2059 | JAM | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Henry, Mark | | | 1831 | JAM | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Brooks, Paul | | | 1928 | JAM | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Holness, Mark | c | | 1998 | JAM | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Wilkinson, Ian | | | 1929 | 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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