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Individual Calculations September 2015 |
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| Prescod, Bryan Total change: -12.00 | |   |
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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 |
| 1618 | 1998 | 5.50 | 6 | 0.06 | 40 | 2.40 | |
|  Sandiford, Segan | | | 1598 * | BAR | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Mahtani, Nitin | | | 1598 * | BAR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Edwards, Emar | | | 1598 * | BAR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Parsons, Justin | | | 1598 * | BAR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Harewood, Jakeel | | | 1718 | BAR | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Rochester, Ronaldo | | | 1598 * | BAR | 0.50 | 1 | -0.42 | 40 | -16.80 | | | * 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) | | | | 2nd Qualifier 2015 Barbados National Chess Championships | Bridgetown | BAR | 2015-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1998 | 6.00 | 8 | -0.21 | 40 | -8.40 | |
| | Collymore, Nellon | | | 1598 * | BAR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Lowe, Mark | | | 1598 * | BAR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Harewood, Jerome | | | 1869 | BAR | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Harewood, Jakeel | | | 1718 | BAR | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Blackman, Katrina | | wc | 1632 | BAR | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Shepherd, Jonathan | | | 1633 | BAR | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Husbands, Orlando | f | | 2234 | BAR | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Depradine, Lawrence | | | 1688 | BAR | 1.00 | 1 | 0.14 | 40 | 5.60 | | | * 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) | | | | Caribbean Chess Carnival 2015 Under 20 | Port of Spain | TTO | 2015-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1998 | 3.50 | 6 | -0.15 | 40 | -6.00 | |
| | Sealy, Gerard | | | 1598 * | TTO | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Johnson, Gabriella | | wc | 1658 | TTO | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Husbands, Orlando | f | | 2253 | BAR | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Chang, Pierre | | | 1974 | SUR | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Johnson, Joshua | f | | 2219 | TTO | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Martin, Mikel | | | 1619 | TTO | 1.00 | 1 | 0.09 | 40 | 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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