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Individual Calculations January 2020 |
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| Merriman, James Total change: -9.60 | |   |
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| 11th CSC London Chess Classic: Weekend Open | London | ENG | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2073 | 1854 | 1.50 | 4 | 0.57 | 40 | 22.80 | |
|  Shrentzel, Israel | m | | 2220 | ISR | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Roberts, David L | | | 2011 | ENG | 0.50 | 1 | 0.21 | 40 | 8.40 | |  Freeland, Alexander | | | 2038 | WLS | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Gardiner, Eric D | | | 2022 | ENG | 0.50 | 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) | | | | London Junior Chess Championships U14 | London | ENG | 2019-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1895 | 3.00 | 5 | -0.81 | 40 | -32.40 | |
| | Lokwani, Lakshya | | | 1548 | ENG | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Ismail, Mohammed Aayan | | | 1641 | ENG | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Moore, Eoin | | | 1555 | ENG | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Yoon, Jacob D | | | 2037 | ENG | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Hobson, Kenneth | | | 1495 * | ENG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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