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Individual Calculations July 2017 |
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| Sonnis, Steve Total change: 4.40 | |   |
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| CCF DAYTIME CHESS CLUB 2016-17 MAY B | London | ENG | 2017-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1682 | 1644 | 0.50 | 1 | 0.05 | 20 | 1.00 | |
|  Norman, Nigel | | | 1682 | ENG | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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) | | | | CCF DAYTIME CHESS CLUB 2016-17 JUNE A | London | ENG | 2017-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1716 | 1654 | 1.00 | 2 | 0.17 | 20 | 3.40 | |
|  O`gorman, Brendan | | | 1714 | ENG | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Kane, Frank G | | | 1718 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | |
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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