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Individual Calculations July 2010 |
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| Rich, Mark C Total change: 15.45 | |   |
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| Coulsdon Super League | Coulsdon | ENG | 2009-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 2151 | 4.00 | 4 | 0.73 | 15 | 10.95 | |
|  Curtis, Howard | | | 1751 * | ENG | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Edwards, Nicholas L | | | 1895 | ENG | 1.00 | 1 | 0.19 | 15 | 2.85 | |  Jackson, Paul J | | | 1899 | ENG | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Foster, James C | | | 1976 | ENG | 1.00 | 1 | 0.27 | 15 | 4.05 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 2239 | 2151 | 3.00 | 7 | 0.30 | 15 | 4.50 | |
| | Granat, Russell G | | | 2250 | ENG | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Eckersley-Waites, Adam | | | 2197 | ENG | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Anderton, David W | c | | 2211 | ENG | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Chapman, Terry P D | | | 2222 | ENG | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Ward, Chris G | g | | 2431 | ENG | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Smallbone, Kieran D | | | 2218 | ENG | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Walton, Alan J | c | | 2147 | ENG | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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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