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Individual Calculations May 2017 |
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| Gray, Mark S Total change: -2.20 | |   |
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| Central London Chess Congress Open 2017 | London | ENG | 2017-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 2105 | 2.50 | 4 | -0.11 | 20 | -2.20 | |
|  Duda, Lucas | | | 1914 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Pattni, Kishan | | | 1705 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Healey, Michael W | | | 2163 | ENG | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Stewart, Ashley | | | 2091 | ENG | 0.00 | 1 | -0.52 | 20 | -10.40 | | | * 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) | | |
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