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Individual Calculations January 2018 |
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| O`gorman, Brendan Total change: 32.40 | |   |
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| CCF DAYTIME CHESS 2017-18 NOVEMBER 2017 B | London | ENG | 2017-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1662 | 1691 | 0.50 | 1 | -0.04 | 20 | -0.80 | |
|  Sonnis, Steve | | | 1662 | ENG | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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) | | | | 9th CSC London Chess Classic: Weekday U1750 | London | ENG | 2017-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1513 | 1706 | 5.00 | 5 | 1.36 | 20 | 27.20 | |
| | Kang, Sohyun | | | 1430 | KOR | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Kirkland, Arnold G | | | 1543 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Lekic, Dejan | | | 1559 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Fava, Lorenzo | | | 1306 * | ITA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Finnegan, Oliver | | | 1727 | ENG | 1.00 | 1 | 0.53 | 20 | 10.60 | | | * 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) | | | | London Junior Chess Championships Northwick Park Major 2017 | London | ENG | 2017-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1706 | 1.00 | 2 | 0.30 | 20 | 6.00 | |
| | Rubeck, Jonathan | | | 1839 | ENG | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Bovtramovics, Vladimirs | | | 1793 | LAT | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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) | | |
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