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Individual Calculations February 2018 |
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| Miles, Barry S Total change: -14.60 | |   |
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| CCF WINTER CHESS 2017-18 LONGPLAY JANUARY 2018 A | London | ENG | 2018-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1481 | 1524 | 0.50 | 2 | -0.62 | 20 | -12.40 | |
|  Johnson, Elizabeth | | | 1416 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | |  Ito-Aramendia, Alejandro | | | 1545 | ENG | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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 DAYTIME CHESS 2017-18 JANUARY 2018 A | London | ENG | 2018-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1280 | 1524 | 1.50 | 2 | -0.11 | 20 | -2.20 | |
| | Charles, Gregory M | | | 1285 | ENG | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Meaton, Arthur H | | | 1275 | ENG | 0.50 | 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) | | |
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