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Individual Calculations February 2017 |
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| Sonnis, Steve Total change: -10.20 | |   |
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| London Junior Chess Championships Christmas Major | London | ENG | 2016-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1754 | 1656 | 1.50 | 3 | 0.40 | 20 | 8.00 | |
|  Clegg, Robert | | | 1818 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | |  Stern, Robert | | | 1718 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Colter, Nigel | | | 1725 | 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 CLUB 2016-17 JANUARY | London | ENG | 2017-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1675 | 1641 | 0.00 | 2 | -0.91 | 20 | -18.20 | |
| | O`gorman, Brendan | | | 1678 | ENG | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Allan, Brian N | | | 1672 | SCO | 0.00 | 1 | -0.46 | 20 | -9.20 | |
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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