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Individual Calculations May 2015 |
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| Joslin, Tim Total change: 22.20 | |   |
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| Hampstead Under 2200 Congress Apr 18 | London | ENG | 2015-04-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1724 | 1860 | 3.00 | 5 | -0.30 | 20 | -6.00 | |
|  Crouch, Timothy J | | | 1619 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Potishman, Matan | | | 1460 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Peiris, T G M | | | 2091 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Miu, Marinel | | | 1760 | ROU | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Tivillier, Jacques | | | 1689 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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) | | | | Central London Chess Congress (Open Section) | London | ENG | 2015-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 1860 | 2.00 | 2 | 1.41 | 20 | 28.20 | |
| | Rogers, Tim L | | | 2007 | ENG | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Jezierski, Colum | | | 2022 | ENG | 1.00 | 1 | 0.71 | 20 | 14.20 | |
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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