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Individual Calculations January 2014 |
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| Johnson, Joshua Total change: 10.05 | |   |
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| F. W. De Verteuil Memorial Open | Port of Spain | TTO | 2013-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 2009 | 3.00 | 4 | 0.35 | 15 | 5.25 | |
|  Flower, Trevor | | | 1755 | TTO | 1.00 | 1 | 0.19 | 15 | 2.85 | |  Smith, Javanna | | wc | 1699 | TTO | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Soondarsingh, Dev | | | 1979 | TTO | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Merritt, Mario | f | | 2052 | TTO | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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) | | | | Festival Centroamericano y Caribe Sub 14 | San Jose | CRC | 2013-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 2009 | 4.50 | 6 | 0.32 | 15 | 4.80 | |
| | Rivera Rivera, Roberto I. | | | 1609 * | PUR | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Davila Blanco, Juan Jose | | | 1779 | PUR | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Poon, Yu Tien | | | 2027 | BAR | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Quesada Campos, Jordi Alessandre | | | 1887 | CRC | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Nieto, Alejandro | | | 1969 | DOM | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Marquez, Juan | c | | 1794 | VEN | 1.00 | 1 | 0.23 | 15 | 3.45 | | | * 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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