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Individual Calculations September 2015 |
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| Rampersad, Rayden Total change: -35.20 | |   |
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| 3rd National Qualifier 2015 South | San Fernando | TTO | 2015-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1713 | 1444 | 1.00 | 4 | 0.12 | 40 | 4.80 | |
|  James, Keevin | | | 1844 * | TTO | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Ali, Ian | | | 1810 | TTO | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Smith, Zurich | | | 1353 | TTO | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Noel, Roderick | | | 1844 * | TTO | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | Caribbean Chess Carnival 2015 Under 10 | Port of Spain | TTO | 2015-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1316 | 1444 | 1.00 | 3 | -1.00 | 40 | -40.00 | |
| | Sandiford, Leigh | | | 1233 | BAR | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Martin, Athena | | | 1461 | TTO | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Johnson, Chaya | | | 1254 | TTO | 1.00 | 1 | 0.25 | 40 | 10.00 | |
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) | | |
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