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Individual Calculations December 2017 |
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| Rubeck, Jonathan Total change: 2.60 | |   |
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| 2017 Central London Chess Congress (Major Section) | London | ENG | 2017-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1836 | 2.50 | 4 | -0.64 | 20 | -12.80 | |
|  Amabile, Domenico | | | 1647 | ITA | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Morgan, George | | | 1548 | AUS | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Singha, Swati | | | 1436 * | IND | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Finnegan, Oliver | | | 1738 | ENG | 0.50 | 1 | -0.13 | 20 | -2.60 | | | * 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 FIDE Congress Under 2200 Nov 17 | London | ENG | 2017-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 1836 | 2.50 | 4 | 0.77 | 20 | 15.40 | |
| | Fava, Lorenzo | | | 1436 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Davison, Chris | | | 2070 | ENG | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Sedykh, Mikhail | | | 2138 | ENG | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Ifalore, Michael | | | 1869 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | | | * 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) | | |
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