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Individual Calculations May 2011 |
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| Raphael, Christopher Total change: 44.10 | |   |
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| Trinidad and Tobago 1st Preliminary Championship Open 2011 | Port of Spain | TRI | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 1894 | 2.00 | 5 | 0.04 | 15 | 0.60 | |
|  Ramadhar, Kishore | | | 2039 | TRI | 0.50 | 1 | 0.19 | 15 | 2.85 | |  Munro, Allan | | | 2064 | TRI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Merritt, Mario | f | | 2101 | TRI | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Smith, Javanna | | wc | 1754 | TRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Lee, Cecil | | | 1931 | TRI | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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) | | | | 2011 New York March Open | New York, New York | USA | 2011-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2121 | 1924 | 1.50 | 3 | 0.76 | 15 | 11.40 | |
| | Katz, Benjamin | | | 2116 | USA | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Kats, Alena | | | 2085 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Treger, Yefim | | | 2163 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | Central American & Caribbean Junior Championship | Barquisimeto | VEN | 2011-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 1924 | 2.50 | 8 | 0.04 | 15 | 0.60 | |
| | Castro, Jose Luis | | | 2131 | VEN | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Romero, Jaime | | | 2030 | VEN | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Mora Moron, Jose | | | 2090 | VEN | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Ledezma, Daniel Antonio | | | 1968 | VEN | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Salazar Farias, Luis German | | | 1999 | VEN | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Fuentes, Alejandro | | | 2067 | VEN | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Palacios Zambrano, Victor | | | 2158 | ECU | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Cadena M., Gustavo Adolfo | | | 2132 | COL | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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 |
| 2062 | 1924 | 4.00 | 6 | 2.10 | 15 | 31.50 | |
| | Chang, Eddison | | | 2047 | TRI | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Yee, Frank | f | | 2090 | TRI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Ramadhar, Kishore | | | 2039 | TRI | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Duncan, Leonard | | | 2000 | TRI | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Joseph, Marcus | | | 2135 | TRI | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Winter-Roach, Alex | | | 2061 | TRI | 1.00 | 1 | 0.68 | 15 | 10.20 | |
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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