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Individual Calculations October 2013 |
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| Parsons, Justin Total change: 50.70 | |   |
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| 2013 Sagicor Open Junior Under-20 Section | Bridgetown | BAR | 2013-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1708 | 1392 | 0.00 | 2 | -0.27 | 30 | -8.10 | |
|  Su, Haifeng | | | 1738 | GUY | 0.00 | 1 | -0.11 | 30 | -3.30 | |  Depradine, Lawrence | | | 1677 | BAR | 0.00 | 1 | -0.16 | 30 | -4.80 | |
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 2013 Barbados National Chess Championships | Bridgetown | BAR | 2013-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1694 | 1392 | 3.00 | 7 | 1.96 | 30 | 58.80 | |
| | Barker, Michael | | | 1683 | BAR | 1.00 | 1 | 0.85 | 30 | 25.50 | | | Blackman, Katrina | | wc | 1644 | BAR | 1.00 | 1 | 0.81 | 30 | 24.30 | | | Lowe, Mark | | | 1643 | BAR | 0.50 | 1 | 0.31 | 30 | 9.30 | | | Lucas, Steven | | | 1658 | BAR | 0.50 | 1 | 0.32 | 30 | 9.60 | | | Prescod, Bryan | | | 1792 * | BAR | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Harewood, Jerome | | | 1714 | BAR | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Howard, Corinne | | | 1723 | BAR | 0.00 | 1 | -0.12 | 30 | -3.60 | | | * 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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