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Individual Calculations May 2019 |
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| Vaughan, John Total change: -14.80 | |   |
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| CCF Daytime Chess Club 2018-19 Stage 10 | London | ENG | 2019-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1322 | 1538 | 2.50 | 3 | 0.28 | 20 | 5.60 | |
|  Aburrow, John A | | | 1269 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Wimble, Garry | | | 1138 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bloom, Paul | | | 1559 | ENG | 0.50 | 1 | 0.03 | 20 | 0.60 | | | * 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) | | | | CCF Easter LP Congress 2019 Major | London | ENG | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1337 | 1538 | 0.50 | 2 | -1.02 | 20 | -20.40 | |
| | Ruzhansky, Elias | | | 1317 | ENG | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Macleod, Andrew | | | 1357 | ENG | 0.50 | 1 | -0.24 | 20 | -4.80 | |
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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