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Individual Calculations May 2011 |
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| Johnson, Joshua Total change: 26.25 | |   |
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| Trinidad and Tobago National Open Championship 2010 | Port of Spain | TRI | 2010-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2062 | 1822 | 3.00 | 11 | 0.67 | 15 | 10.05 | |
|  Winter-Roach, Alex | | | 2052 | TRI | 0.00 | 1 | -0.21 | 15 | -3.15 | |  Merritt, Mario | f | | 2094 | TRI | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Christopher, David | | | 2072 | TRI | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Cabralis, Keron | f | | 2176 | TRI | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Harper, Ryan | f | | 2222 * | TRI | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Joseph, Marcus | | | 2125 | TRI | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Singh, Ravishen | | | 2101 | TRI | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Bowles, Andrew | | | 1879 | TRI | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Chang, Eddison Dr. | | | 2036 | TRI | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Paul, Jayson | | | 1961 | TRI | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Singh, Vishnu | | | 1962 | TRI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | * 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) | | | | Trinidad and Tobago 2nd Preliminary Championship Open 2011 | Arima | TRI | 2011-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 1890 | 2.50 | 4 | 1.08 | 15 | 16.20 | |
| | Ali, Ian | | | 1831 | TRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Joseph, Marcus | | | 2135 | TRI | 1.00 | 1 | 0.80 | 15 | 12.00 | | | Perryman, Sean | | | 2088 | TRI | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Singh, Vishnu | | | 1964 | TRI | 0.00 | 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) | | |
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