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Individual Calculations January 2020 |
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| Piecha, Lukasz Marek Total change: -29.80 | |   |
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| 11th CSC London Chess Classic: Weekend Under 1825 | London | ENG | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1418 | 1637 | 3.00 | 4 | -0.07 | 20 | -1.40 | |
|  Thatte, Nandinee | | | 1284 | ENG | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Fernando, Manel | | | 1476 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Solovieva, Kristina | | | 1415 | ENG | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Daly, Grant | | | 1496 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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) | | | | 11th CSC London Chess Classic: Weekday Under 1750 | London | ENG | 2019-12-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1401 | 1637 | 2.50 | 5 | -1.42 | 20 | -28.40 | |
| | Moss, David Pg | | | 1371 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Yapp, Christopher T | | | 1490 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Neo, Han Sheng Marcel | | | 1237 * | SGP | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Shek, Daniel | | | 1504 | ENG | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Muhunthan, Charukgan | | | 1401 | ENG | 0.00 | 1 | -0.80 | 20 | -16.00 | | | * 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) | | |
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