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Individual Calculations August 2013 |
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| Porter, Sam J Total change: 25.80 | |   |
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| Hampstead Under 2200 FIDE Congress July 2013 | London | ENG | 2013-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1920 | 1870 | 3.00 | 5 | 0.86 | 30 | 25.80 | |
|  Balouka-Myers, Reuben | | | 1564 | ENG | 1.00 | 1 | 0.14 | 30 | 4.20 | |  Wadsworth, Matthew | | | 2136 | ENG | 1.00 | 1 | 0.82 | 30 | 24.60 | | | Balakrishnan, Naveen K | | | 2026 | USA | 0.50 | 1 | 0.21 | 30 | 6.30 | | | Landau, Jonathan | | | 1922 | ENG | 0.50 | 1 | 0.07 | 30 | 2.10 | | | Hayward, Alan | | | 1954 | ENG | 0.00 | 1 | -0.38 | 30 | -11.40 | |
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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