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Individual Calculations July 2010 |
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| Bonafont, Philip R Total change: 16.20 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2126 | 2.50 | 3 | 0.95 | 15 | 14.25 | |
|  Mackenzie, Colin | | | 2120 | ENG | 1.00 | 1 | 0.49 | 15 | 7.35 | |  Tunks, Dominic | | | 2076 | ENG | 1.00 | 1 | 0.43 | 15 | 6.45 | | | O`Toole, George E | | | 2146 | ENG | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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) | | | | e2e4.org.uk Sunningdale Congress | Sunningdale, Berkshire | ENG | 2010-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2157 | 3.00 | 5 | 0.13 | 15 | 1.95 | |
| | Gibson, Christopher A | | | 1973 | ENG | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Dupre, Paul D | | | 2055 | ENG | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Guliyev, Namig | g | | 2533 | AZE | 0.50 | 1 | 0.41 | 15 | 6.15 | | | Compton, Alistair | | | 2061 | NZL | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Holland, James P | | | 1945 | ENG | 0.50 | 1 | -0.27 | 15 | -4.05 | |
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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