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Individual Calculations July 2010 |
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| Ackley, Peter J E Total change: -23.25 | |   |
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| Coulsdon Super League | Coulsdon | ENG | 2009-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 2095 | 1.50 | 4 | -0.64 | 15 | -9.60 | |
|  Foster, James C | | | 1976 | ENG | 0.50 | 1 | -0.16 | 15 | -2.40 | |  Williams, Peter A | | | 1961 | ENG | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Aikhoje, Odion | m | | 2252 | NGR | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Jones, William E G | | | 2085 | ENG | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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) | | | | Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2107 | 2095 | 2.50 | 7 | -0.91 | 15 | -13.65 | |
| | Salimbeni, George P W | | | 2163 | ENG | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Neil, David R | | | 2157 | ENG | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Adams, Mark A | | | 2026 | WLS | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Davey, Mark | | | 2020 | ENG | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Fraser-Mitchell, Jeremy N | | | 1993 | ENG | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Jackson, James P | | | 2067 | ENG | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Jones, Richard S | f | | 2323 | WLS | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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