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Individual Calculations September 2013 |
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| Matthew, Ian G Total change: -27.15 | |   |
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| British Championship Weekender - Atkins | Torquay | ENG | 2013-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1969 | 1937 | 1.00 | 4 | -0.84 | 30 | -25.20 | |
|  Farrand, Tom | | | 2146 | JCI | 0.00 | 1 | -0.23 | 30 | -6.90 | | | Pride, Stephen C | | | 1805 | ENG | 0.50 | 1 | -0.18 | 30 | -5.40 | |  Abbott, Mark V | | | 1956 | ENG | 0.00 | 1 | -0.47 | 30 | -14.10 | | | Bryant, Richard Be | | | 1969 | ENG | 0.50 | 1 | 0.04 | 30 | 1.20 | |
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 | | British Championship 5-day Open PM Week 2 | Torquay | ENG | 2013-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1770 | 1937 | 2.00 | 3 | -0.13 | 15 | -1.95 | |
| | Horlock, Peter J | | | 1641 | ENG | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Pride, Stephen C | | | 1805 | ENG | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Grant, David | | | 1863 | SCO | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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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