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Individual Calculations September 2012 |
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| Cabralis, Keron Total change: -29.40 | |   |
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| Caribbean Chess Carnival 2012 Under 20 | Port of Spain | TTO | 2012-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 2128 | 2.50 | 5 | -1.21 | 15 | -18.15 | |
|  Immanuel, Kromosoeto | | | 1796 | SUR | 1.00 | 1 | 0.12 | 15 | 1.80 | |  Husbands, Orlando | | | 1948 | BAR | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Guerrero, Rafael | | | 1867 | TRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Singh, Vishnu | | | 2023 | TRI | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Poon, Yu Tien | | | 2035 | BAR | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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) | | | | TT - National Qualifier #4 | Scarborough | TTO | 2012-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 2128 | 2.50 | 4 | -0.75 | 15 | -11.25 | |
| | Pacheco, Dimitri | | | 1728 * | TRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Singh, Mahendra | | | 1752 | TRI | 0.50 | 1 | -0.41 | 15 | -6.15 | | | Singh, Vishnu | | | 2023 | TRI | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Sears, Frank | | | 1908 | TRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | * 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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