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Individual Calculations October 2013 |
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| Harewood, Jerome Total change: 1.35 | |   |
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| 2013 Under-18 National Championships | Bridgetown | BAR | 2013-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1714 | 1.50 | 2 | 0.59 | 15 | 8.85 | |
|  Poon, Yu Tien | | | 2011 | BAR | 0.50 | 1 | 0.35 | 15 | 5.25 | |  Shepherd, Jonathan | | | 1516 | BAR | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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) | | | | 2013 Sagicor Open Junior Under-20 Section | Bridgetown | BAR | 2013-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1886 | 1714 | 0.50 | 3 | -0.38 | 15 | -5.70 | |
| | Depradine, Lawrence | | | 1677 | BAR | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Husbands, Orlando | c | | 1971 | BAR | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Poon, Yu Tien | | | 2011 | BAR | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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) | | | | 2013 Under 20 Junior Championships | Bridgetown | BAR | 2013-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 1714 | 1.50 | 2 | 0.79 | 15 | 11.85 | |
| | Husbands, Orlando | c | | 1971 | BAR | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Harewood, Jakeel | | | 1695 | BAR | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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 |
| 1624 | 1714 | 4.00 | 8 | -0.91 | 15 | -13.65 | |
| | Lowe, Mark | | | 1643 | BAR | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Blackman, Katrina | | wc | 1644 | BAR | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Murray, Donna | | | 1499 | BAR | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Harewood, Jakeel | | | 1695 | BAR | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Harewood, Othneil | | | 1804 | BAR | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Boyce, Christopher | | | 1636 | BAR | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Parsons, Justin | | | 1392 | BAR | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Depradine, Lawrence | | | 1677 | BAR | 0.00 | 1 | -0.55 | 15 | -8.25 | |
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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