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Individual Calculations May 2015 |
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| Peck, Silas Total change: 14.00 | |   |
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| 4NCL 2014-15 Rounds 7-8 (Div 1 & 2) | Birmingham | ENG | 2015-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1886 | 1.00 | 2 | 0.18 | 40 | 7.20 | |
|  Golding, Alex | | | 2012 | ENG | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Zhou, Yang-Jian | | | 1892 | ENG | 0.00 | 1 | -0.49 | 40 | -19.60 | |
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) | | | | 59th Southend Chess Congress | Southend-on-Sea | ENG | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 1886 | 2.00 | 6 | 0.17 | 40 | 6.80 | |
| | Spence, David J | | | 2230 | ENG | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Wadsworth, Matthew J | | | 2082 | ENG | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Pattni, Kishan | | | 1689 | ENG | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Scott, Gordon W | | | 2090 | ENG | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Kalaiyalahan, Akshaya | | | 2074 | ENG | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Burnett, Jim | | | 2121 | ENG | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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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