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Individual Calculations December 2018 |
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| Lake, Chris Total change: 2.80 | |   |
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| Central London Chess Congress Major 2018 | London | ENG | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1657 | 1793 | 3.00 | 4 | 0.30 | 40 | 12.00 | |
|  Chiang, Richard | | | 1577 | ENG | 1.00 | 1 | 0.22 | 40 | 8.80 | |  Aleksiev, Georgi | | | 1594 | FID | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Cove, Henry | | | 1881 | ENG | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Chantrell, Paul | | | 1575 | ENG | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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) | | | | 67th Hampstead Weekend Congress Under 1900 | London | ENG | 2018-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1793 | 2.50 | 4 | -0.23 | 40 | -9.20 | |
| | Haddock, Paul | | | 1583 | ENG | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Cowan, Xavier | | | 1700 | ENG | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Maraiyesa, Wole | | | 1658 | ENG | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Cassen, Robert | | | 1680 | ENG | 0.50 | 1 | -0.15 | 40 | -6.00 | |
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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