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Individual Calculations April 2018 |
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| Sonnis, Steve Total change: 0.40 | |   |
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| CCF DAYTIME CHESS 2017-18 MARCH 2018 A | London | ENG | 2018-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1548 | 1620 | 0.50 | 1 | -0.10 | 20 | -2.00 | |
|  Clayton, David C | | | 1548 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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 2017-18 MARCH 2018 B | London | ENG | 2018-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1664 | 1620 | 1.00 | 2 | 0.12 | 20 | 2.40 | |
|  O`gorman, Brendan | | | 1682 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Allan, Brian N | | | 1645 | SCO | 1.00 | 1 | 0.53 | 20 | 10.60 | |
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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