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Individual Calculations October 2017 |
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| Howes, David J Total change: 6.40 | |   |
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| CCF LATE SUMMER LONG PLAY CONGRESS MAJOR | London | ENG | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1455 | 1492 | 1.50 | 4 | -0.70 | 20 | -14.00 | |
|  Faulkner, Oliver | | | 1372 | ENG | 0.00 | 1 | -0.66 | 20 | -13.20 | |  Clayton, David C | | | 1557 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Denney, Simon C | | | 1450 | ENG | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Levey, Steve | | | 1441 | ENG | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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 WINTER CHESS 2017-18 SEPTEMBER 2017 | London | ENG | 2017-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1492 | 2.50 | 3 | 1.02 | 20 | 20.40 | |
| | Johnson, Elizabeth | | | 1376 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Ito-Aramendia, Alejandro | | | 1477 | ENG | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Ragavan, Pramoth | | | 1639 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | |
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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