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Individual Calculations October 2017 |
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| Ilett, Raymond J Total change: -17.40 | |   |
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| 15th 4NCL Congress Open | Doncaster | ENG | 2017-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1894 | 1876 | 1.50 | 5 | -0.87 | 20 | -17.40 | |
|  Surtees, Mike J | | | 2115 | ENG | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Jarmany, John | | | 2085 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Hymer, Barry J | | | 1777 | ENG | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Truman, Richard G | | | 1918 | ENG | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Ther, Mate | | | 1573 | ENG | 1.00 | 1 | 0.14 | 20 | 2.80 | |
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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