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Individual Calculations October 2013 |
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| Poon, Yu Tien Total change: 4.80 | |   |
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| 2013 Under-18 National Championships | Bridgetown | BAR | 2013-07-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 2011 | 1.50 | 2 | -0.27 | 15 | -4.05 | |
|  Harewood, Jerome | | | 1714 | BAR | 0.50 | 1 | -0.35 | 15 | -5.25 | |  Shepherd, Jonathan | | | 1611 * | BAR | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * 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) | | | | 2013 Sagicor Open Junior Under-20 Section | Bridgetown | BAR | 2013-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1742 | 2011 | 4.50 | 5 | 0.46 | 15 | 6.90 | |
| | Husbands, Orlando | c | | 1971 | BAR | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Depradine, Lawrence | | | 1677 | BAR | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Shepherd, Jonathan | | | 1611 * | BAR | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Su, Haifeng | | | 1738 | GUY | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Harewood, Jerome | | | 1714 | BAR | 1.00 | 1 | 0.15 | 15 | 2.25 | | | * 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 2013-U14 | Port of Spain | TTO | 2013-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 2011 | 2.50 | 3 | 0.13 | 15 | 1.95 | |
| | Yearwood, Sylvan | | | 1611 * | TTO | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Johnson, Joshua | | | 1986 | TTO | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Yearwood, Shannon | | | 1611 * | TTO | 0.50 | 1 | -0.42 | 15 | -6.30 | | | * 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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