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Individual Calculations April 2009 |
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| Gibson, Christopher A Total change: 25.50 | |   |
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| Hastings Weekend Open | Hastings | ENG | 2009-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 1964 | 2.50 | 3 | 1.64 | 15 | 24.60 | |
|  Parsonage, Ian | | | 2250 | AUS | 1.00 | 1 | 0.84 | 15 | 12.60 | |  Scholes, James E | | | 2122 | ENG | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Jones, William E G | | | 2030 | ENG | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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) | | | | Uxbridge Open | Uxbridge | ENG | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1964 | 1.50 | 3 | 0.06 | 15 | 0.90 | |
| | Truman, Richard G | | | 2028 | ENG | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Ali, Golam Shabbir | | | 1845 | ENG | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Cutmore, Martin J | | | 2056 | ENG | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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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