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Individual Calculations September 2015 |
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| Cumberbatch, Gabriela Total change: -60.80 | |   |
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| 2015 Barbados Under 20 Open Junior Championship | Bridgetown | BAR | 2015-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1422 | 1361 | 2.00 | 5 | -0.18 | 40 | -7.20 | |
|  Bynoe, Dajmar | | | 1266 | BAR | 1.00 | 1 | 0.37 | 40 | 14.80 | |  Parsons, Justin | | | 1472 | BAR | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Harewood, Jakeel | | | 1718 | BAR | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Rochester, Ronaldo | | | 1459 | BAR | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Walrond, Niccolo | | | 1195 | BAR | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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) | | | | 2nd Qualifier 2015 Barbados National Chess Championships | Bridgetown | BAR | 2015-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1361 | 1.50 | 6 | -0.61 | 40 | -24.40 | |
| | Harewood, Jakeel | | | 1718 | BAR | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Murray, Donna | | | 1441 | BAR | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Collymore, Nellon | | | 1389 | BAR | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Depradine, Lawrence | | | 1688 | BAR | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Walrond, Niccolo | | | 1195 | BAR | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Sandiford, Kyle | | | 1509 | BAR | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | Caribbean Chess Carnival 2015 Under 20 | Port of Spain | TTO | 2015-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1637 | 1361 | 0.00 | 4 | -0.73 | 40 | -29.20 | |
| | Mc Intosh, Isaiah | | | 1761 * | TTO | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ramdath, Simon | | | 1708 | TTO | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Yearwood, Shannon | | | 1607 | TTO | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Parsons, Justin | | | 1472 | BAR | 0.00 | 1 | -0.35 | 40 | -14.00 | | | * 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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