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Individual Calculations March 2017 |
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| May, Adam J Total change: 18.60 | |   |
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| 46th Dyfed Open 2017 | Fishguard | WLS | 2017-02-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 1922 | 3.00 | 5 | 0.93 | 20 | 18.60 | |
|  Probert, Malcolm | | | 1598 | WLS | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Rodriguez, Juan Talavera | | | 2007 | WLS | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Richmond, Jane | | wf | 2126 | WLS | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Heap, Gerry | | | 2072 | WLS | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Powell, Lloyd | | | 2088 | WLS | 0.50 | 1 | 0.22 | 20 | 4.40 | |
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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