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Individual Calculations September 2015 |
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| Collins, Jonathan Total change: -6.80 | |   |
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| 102nd British Chess Championships Under 180 | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 1896 | 3.00 | 4 | 0.57 | 40 | 22.80 | |
|  Raghavendra, Mahima | | | 1496 * | ENG | 0.50 | 1 | -0.42 | 40 | -16.80 | |  McDonagh, Michael | | | 1782 | ENG | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Freeland, Alex | | | 1952 | WLS | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Bryant, Richard B E | | | 1947 | ENG | 0.50 | 1 | 0.07 | 40 | 2.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 102nd British Chess Championships Week 1 PM Open | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1896 | 2.00 | 4 | -0.74 | 40 | -29.60 | |
| | Snook-Lumb, Chris | | | 1664 | ENG | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Wu, Haotian | | | 1782 | ENG | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Hanscombe, Richard | | | 1757 | WLS | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Dalton, Joseph | | | 1825 | ENG | 0.00 | 1 | -0.60 | 40 | -24.00 | |
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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