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Individual Calculations July 2010 |
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| Jackson, James P Total change: 33.00 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2168 | 2067 | 6.00 | 8 | 3.03 | 15 | 45.45 | |
|  Eggleston, David J | f | | 2368 | ENG | 0.50 | 1 | 0.35 | 15 | 5.25 | |  Hutchinson, Norman A | | | 2096 | ENG | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Collier, David O | | | 2125 | ENG | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Pedersen, Carsten | | | 2155 | DEN | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Pitcher, John | | | 2193 | ENG | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Coates, Kenneth G | | | 2220 | ENG | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Stevenson, James A B | | | 2089 | SCO | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Ackley, Peter J E | | | 2095 | ENG | 1.00 | 1 | 0.54 | 15 | 8.10 | |
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) | | | | Surrey Congress - Open | Cheam | ENG | 2010-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 2102 | 3.00 | 6 | -0.83 | 15 | -12.45 | |
| | Tambini, Jasper | | | 1897 | ENG | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Henderson, Ian R | | | 2117 | ENG | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Gibson, Christopher A | | | 1973 | ENG | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Holland, James P | | | 1973 | ENG | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Foo, William J | | | 1818 | ENG | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Ynojosa, Felix Jose | | | 2165 | ENG | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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