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Individual Calculations May 2011 |
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| Soondarsingh, Dev Total change: -30.90 | |   |
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| Trinidad and Tobago 1st Preliminary National Championship Open 2010 | Arima | TRI | 2010-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 1910 | 1.00 | 4 | -0.65 | 15 | -9.75 | |
|  Harper, Ryan | f | | 2262 | TRI | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Lee, Hayden | | | 1856 | TRI | 0.00 | 1 | -0.58 | 15 | -8.70 | |  Smith, Vandoff | | | 1826 | TRI | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Duncan, Leonard | | | 2029 | TRI | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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 1st Preliminary Championship Open 2011 | Port of Spain | TRI | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1904 | 1.00 | 4 | -0.42 | 15 | -6.30 | |
| | Merritt, Mario | f | | 2101 | TRI | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Yee, Frank | f | | 2088 | TRI | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Ramadhar, Kishore | | | 2039 | TRI | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Ali, Ian | | | 1840 | TRI | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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 |
| 2017 | 1884 | 0.00 | 3 | -0.99 | 15 | -14.85 | |
| | Joseph, Marcus | | | 2135 | TRI | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Duncan, Leonard | | | 2000 | TRI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Knight, Colin | | | 1915 | TRI | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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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