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Individual Calculations February 2017 |
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| Davis, Lee Total change: -1.20 | |   |
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| Shropshire Congress 2017 Open | Telford | ENG | 2017-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 1921 | 2.00 | 5 | -0.23 | 20 | -4.60 | |
|  Horton, Andrew P | f | | 2291 | ENG | 0.50 | 1 | 0.40 | 20 | 8.00 | |  Mason, Donald J | | | 2136 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Graff, Ben | | | 1771 | ENG | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Goodwin, Ed H | | | 1896 | ENG | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Boswell, Jacob Connor | | | 1799 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | 2016/17 4NCL Division 4 South Rounds 3-4 | Reading | ENG | 2017-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1756 | 1921 | 1.50 | 2 | 0.07 | 20 | 1.40 | |
| | Finn, Thomas | | | 1743 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Usher, Michael E | | | 1769 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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) | | | | Welsh Chess Premier League 2016/17 Round 2 | Various | WLS | 2017-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 1921 | 0.50 | 1 | 0.10 | 20 | 2.00 | |
| | Fathallah, Joe | | | 1995 | WLS | 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) | | |
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