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Individual Calculations February 2016 |
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| Sonnis, Steve Total change: -18.40 | |   |
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| London Christmas Congress Open Championship | London | ENG | 2015-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1958 | 1681 | 0.00 | 3 | -0.51 | 20 | -10.20 | |
|  Hayward, Alan | | | 2008 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Wells, Jonathan C | | | 1986 | ENG | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Bahra, Pardeep S | | | 1881 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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) | | | | CCF DAYTIME CHESS CLUB 2015-16 JANUARY | London | ENG | 2016-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1691 | 1670 | 1.00 | 3 | -0.41 | 20 | -8.20 | |
| | Torrance, John | | | 1698 | SCO | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Norman, Nigel | | | 1681 | ENG | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Allan, Brian N | | | 1694 | SCO | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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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