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Individual Calculations December 2019 |
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| McDonnell, James J. Total change: -22.40 | |   |
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| Central London Chess Congress (Major Section) 2019 | London | ENG | 2019-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1575 | 1796 | 2.00 | 4 | -1.12 | 20 | -22.40 | |
|  Ortolani, Paolo | | | 1602 | ITA | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Llewellyn, Julian D | | | 1576 | ENG | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Chantrell, Paul | | | 1546 | ENG | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Chiang, Richard | | | 1577 | ENG | 0.50 | 1 | -0.28 | 20 | -5.60 | |
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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