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Individual Calculations January 2020 |
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| Vaidya, Raghav Total change: 16.80 | |   |
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| 11th CSC London Chess Classic: Weekend Under 2050 | London | ENG | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1689 | 1541 | 1.00 | 3 | 0.07 | 40 | 2.80 | |
|  Healeas, Simon | | | 1793 | ENG | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Zheng, William | | | 1672 | ENG | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Zakarian, Dimitrios Levon | | | 1601 | ENG | 0.50 | 1 | 0.08 | 40 | 3.20 | |
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) | | | | CCF LP Club Championships 2019-2020 DEC 2019 R10-13 | London | ENG | 2019-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1629 | 1530 | 0.00 | 1 | -0.36 | 40 | -14.40 | |
| | Allan, Brian N | | | 1629 | SCO | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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) | | | | CCF Christmas Congress 2019 Open | London | ENG | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1530 | 1.50 | 4 | 0.71 | 40 | 28.40 | |
| | Rizvi, Nasir | | | 1930 * | WLS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tarling, Ray | | | 1811 | ENG | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Bonn, Thomas B | | | 1930 * | FRA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dewangan, Aayush | | | 1548 | ENG | 1.00 | 1 | 0.53 | 40 | 21.20 | | | * 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) | | |
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