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Individual Calculations July 2009 |
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| Gibson, Christopher A Total change: 1.35 | |   |
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| 4NCL part 3 | Various | ENG | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 1951 | 0.50 | 1 | 0.17 | 15 | 2.55 | |
|  Bruce, David J | | | 2078 | ENG | 0.50 | 1 | 0.17 | 15 | 2.55 | |
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) | | | | Surrey Open | Sutton | ENG | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 1990 | 2.00 | 5 | 0.28 | 15 | 4.20 | |
| | Hodgson, John H | | | 2185 | ENG | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Phillips, Owen S | | | 2020 | ENG | 0.50 | 1 | 0.04 | 15 | 0.60 | |  Grant, David J | | | 2033 | ENG | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Compton, Alistair | | | 2097 | NZL | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Green, Andrew D | | | 2215 | SCO | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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) | | | | Amersham International | Amersham | ENG | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 1990 | 1.00 | 4 | -0.36 | 15 | -5.40 | |
| | Smith, Andrew P | f | | 2182 | IRL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Atako, Chino | | | 2111 | ENG | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Obiamiwe, Paul | | | 2041 | NGR | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Hasman, Cengiz | | | 2111 | ENG | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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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