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Individual Calculations May 2011 |
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| Ali, Ian Total change: -1.65 | |   |
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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 |
| 1958 | 1833 | 1.00 | 4 | -0.40 | 15 | -6.00 | |
|  Ramadhar, Kishore | | | 2064 | TRI | 0.00 | 1 | -0.21 | 15 | -3.15 | |  Smith, Javanna | | wc | 1805 | TRI | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Merritt, Mario | f | | 2132 | TRI | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Smith, Alpacino | | | 1832 | TRI | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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) | | | | Trinidad and Tobago 1st Preliminary Championship Open 2011 | Port of Spain | TRI | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1840 | 2.00 | 5 | 0.53 | 15 | 7.95 | |
| | Chang, Eddison, Dr. | | | 2036 | TRI | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Ramadhar, Kishore | | | 2039 | TRI | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Lee, Cecil | | | 1931 | TRI | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Yee, Frank | f | | 2088 | TRI | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Soondarsingh, Dev | | | 1904 | 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 |
| 2038 | 1831 | 0.50 | 3 | -0.24 | 15 | -3.60 | |
| | Yee, Frank | f | | 2090 | TRI | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Johnson, Joshua | | | 1890 | TRI | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Joseph, Marcus | | | 2135 | TRI | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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) | | |
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