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Individual Calculations May 2011 |
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| Smith, Vandoff Total change: -24.75 | |   |
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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 |
| 1946 | 1826 | 1.00 | 5 | -0.75 | 25 | -18.75 | |
|  Smith, Javanna | | wc | 1805 | TRI | 1.00 | 1 | 0.47 | 25 | 11.75 | |  Duncan, Leonard | | | 2029 | TRI | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Merritt, Mario | f | | 2132 | TRI | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Soondarsingh, Dev | | | 1910 | TRI | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Chin, Nicholas | | | 1855 | TRI | 0.00 | 1 | -0.46 | 25 | -11.50 | |
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) | | | NOTE: K factor changed | | Trinidad and Tobago 1st Preliminary Championship Open 2011 | Port of Spain | TRI | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1806 | 0.50 | 3 | -0.40 | 15 | -6.00 | |
| | Cabralis, Keron | f | | 2206 * | TRI | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Soondarsingh, Aditi | | | 1793 | TRI | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Sears, Frank | | | 1956 | TRI | 0.00 | 1 | -0.30 | 15 | -4.50 | | | * 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) | | |
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