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Individual Calculations July 2010 |
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| Jones, Victor G L Total change: 6.15 | |   |
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| Coulsdon Super League | Coulsdon | ENG | 2009-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 2062 | 3.00 | 5 | -0.26 | 15 | -3.90 | |
|  Grant, David J | | | 2020 | ENG | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Edwards, Nicholas L | | | 1895 | ENG | 1.00 | 1 | 0.28 | 15 | 4.20 | |  Foster, James C | | | 1976 | ENG | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Williams, Peter A | | | 1961 | ENG | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Jackson, Paul J | | | 1899 | ENG | 0.50 | 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) | | | | Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2062 | 4.50 | 9 | 0.67 | 15 | 10.05 | |
| | Ludbrook, Matthew | | | 2011 | ENG | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Williamson, Kevin J | | | 2045 | ENG | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Walker, Andrew N | | | 2087 | ENG | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Longson, Alexander | | | 2254 | ENG | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Salimbeni, George P W | | | 2163 | ENG | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Salisbury, Michael W | | | 2097 | ENG | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Jones, Richard S | f | | 2323 | WLS | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Spencer, Carl J | | | 2136 | ENG | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Robinson, David | | | 1967 | WLS | 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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