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Individual Calculations January 2015 |
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| Sivarajasingam, Venetia Total change: 47.20 | |   |
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| 47th West Wales Congress | Swansea | WLS | 2014-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1562 | 1364 | 1.00 | 3 | 0.17 | 40 | 6.80 | |
|  Lewis, David Rhys | | | 1764 * | WLS | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Harris, Calum | | | 1571 | WLS | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Cox, John | | | 1350 | WLS | 1.00 | 1 | 0.48 | 40 | 19.20 | | | * 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 Chess Classic 2014 Weekend U1800 | London | ENG | 2014-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 1364 | 1.50 | 3 | 1.01 | 40 | 40.40 | |
| | Ahluwalia, Amardip | | | 1645 | ENG | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Liu, David J | | | 1642 | ENG | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Obihara, Jason | | | 1649 | ENG | 1.00 | 1 | 0.84 | 40 | 33.60 | |
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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