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Individual Calculations September 2015 |
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| Benson, Sean T Total change: -2.20 | |   |
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| 102nd British Chess Championships Weekend Open | Coventry | ENG | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1745 | 1.00 | 4 | -0.21 | 40 | -8.40 | |
|  Bonafont, Philip R | | | 2003 | ENG | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Ai, Farshad | | | 1922 | ENG | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Burns, Martin J | | | 1901 | ENG | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Mao, Ximan | | | 1763 | ENG | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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) | | | NOTE: K factor changed | | Steve Boniface Memorial Congress 2015 | Bristol | ENG | 2015-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1745 | 1.00 | 3 | 0.31 | 20 | 6.20 | |
| | Wells, Jonathan C | | | 1994 | ENG | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Mollison, Jamie | | | 1889 | SCO | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Fernandez Fernandez, Juan | | | 1994 | ESP | 0.00 | 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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