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Individual Calculations December 2017 |
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| Davey, Adrian Total change: 4.40 | |   |
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| CCF DAYTIME CHESS 2017-18 NOVEMBER 2017 A | London | ENG | 2017-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1698 | 1.50 | 2 | 0.22 | 20 | 4.40 | |
|  Sonnis, Steve | | | 1662 | ENG | 1.00 | 1 | 0.45 | 20 | 9.00 | |  Clayton, David C | | | 1522 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | |
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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