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Individual Calculations July 2015 |
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| Tomy, Jeff Total change: -4.80 | |   |
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| Hampstead Under 2200 Congress May 15 | London | ENG | 2015-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 1459 | 1.50 | 5 | 0.13 | 40 | 5.20 | |
|  Clayton, Tristan | | | 1791 | ENG | 0.50 | 1 | 0.38 | 40 | 15.20 | |  Landau, Jonathan | | | 1859 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Eranki, S M S Chaitanya | | | 1608 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Rabain, Mel | | | 1483 | ENG | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Balouka Myers, Reuben | | | 1529 | ENG | 0.00 | 1 | -0.40 | 40 | -16.00 | | | * 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) | | | | Hampstead Under 1900 Congress Jun15 | London | ENG | 2015-06-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1459 | 0.00 | 2 | -0.25 | 40 | -10.00 | |
| | Cork, David J | | | 1790 | ENG | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Barasi, Paul Dl | | | 1783 | ENG | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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) | | |
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