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Individual Calculations January 2019 |
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| Roy, Tom Total change: 10.40 | |   |
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| 10th CSC London Chess Classic: Weekend Under 1600 | London | ENG | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1445 | 1250 | 1.00 | 3 | 0.26 | 40 | 10.40 | |
|  Howes, David J | | | 1448 | ENG | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Zheng, Harry Z | | | 1424 | ENG | 0.00 | 1 | -0.27 | 40 | -10.80 | |  Ryan, John | | | 1464 | IRL | 0.50 | 1 | 0.27 | 40 | 10.80 | |
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) | | |
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