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Individual Calculations January 2015 |
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| Liang, Jake Z Total change: 56.40 | |   |
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| London Chess Classic 2014 Weekend Open | London | ENG | 2014-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1953 | 3.00 | 5 | 0.76 | 40 | 30.40 | |
|  Batchelor, Peter J | | | 2290 | ENG | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Byrne, Alex | | | 1553 * | IRL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Haldane, Robin W | | | 2050 | ENG | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Bedi, Adam | | | 1934 | ENG | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Hagesather, Arne | | | 2099 | NOR | 1.00 | 1 | 0.70 | 40 | 28.00 | | | * 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) | | | | 24th Hampstead Weekend Congress: Under 2200 | London | ENG | 2014-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1953 | 2.50 | 4 | 0.65 | 40 | 26.00 | |
| | Sit, Victoria | | | 1618 | ENG | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Dignam, Matthew | | | 2136 | IRL | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Landau, Jonathan | | | 1966 | ENG | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Ronka, Erik | | | 2162 | FIN | 0.00 | 1 | -0.23 | 40 | -9.20 | |
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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