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Individual Calculations September 2015 |
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| Cormican, John Total change: 20.80 | |   |
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| 102nd British Chess Championships Week 2 AM Open | Coventry | ENG | 2015-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 1858 | 2.00 | 4 | 1.15 | 20 | 23.00 | |
|  Simons, Martin J | | | 2047 | ENG | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Jaunooby, Ali R | | | 2143 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | |  Regan, Natasha K | | wm | 2062 | ENG | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Habershon, Paul F | | | 2099 | ENG | 1.00 | 1 | 0.80 | 20 | 16.00 | |
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) | | | | 102nd British Chess Championships Week 2 PM Open | Coventry | ENG | 2015-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1858 | 2.00 | 4 | -0.11 | 20 | -2.20 | |
| | Akeya-Price, Robert | | | 1503 | ENG | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Crocker, Philip J | | | 2216 | ENG | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Golding, James | | | 1814 | ENG | 0.50 | 1 | -0.06 | 20 | -1.20 | | | French, Max | | | 1816 | ENG | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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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