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Individual Calculations September 2011 |
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| Henry, Mark Total change: 4.05 | |   |
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| Robert Wheeler Open | Kingston | JAM | 2011-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1831 | 1.50 | 4 | -0.18 | 15 | -2.70 | |
|  Davy, Damion | | | 2023 | JAM | 0.00 | 1 | -0.25 | 15 | -3.75 | |  Gray, Krishna | | | 1627 | JAM | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Thomas, Peter | | | 1978 | JAM | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Brooks, Paul | | | 1928 | 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) | | | | National Championship 2011 | Kingston | JAM | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 1831 | 2.50 | 7 | 0.45 | 15 | 6.75 | |
| | Myers, Peter | | | 2059 | JAM | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Thomas, Peter | | | 1991 | JAM | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Brooks, Paul | | | 1928 | JAM | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Holness, Mark | c | | 1998 | JAM | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Wilkinson, Ian | | | 1929 | JAM | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Davy, Damion | | | 2023 | JAM | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Mellace, Andrew | | | 1998 | JAM | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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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