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Individual Calculations August 2018 |
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| Sonnis, Steve Total change: -0.20 | |   |
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| CCF DAYTIME CHESS JULY 2018 | London | ENG | 2018-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1498 | 1625 | 2.00 | 3 | -0.01 | 20 | -0.20 | |
|  Miles, Barry S | | | 1459 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Clayton, David C | | | 1553 | ENG | 0.50 | 1 | -0.10 | 20 | -2.00 | |  Trezise, Steven | | | 1483 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | |
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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