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Individual Calculations May 2017 |
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| Ehsandar, Peter Total change: 37.00 | |   |
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| 2017 Welsh Championships | Cardiff | WLS | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 1933 | 4.50 | 7 | 1.85 | 20 | 37.00 | |
|  Brown, Thomas | | | 2060 | WLS | 1.00 | 1 | 0.67 | 20 | 13.40 | |  Kett, Tim | | | 2220 | WLS | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Sands, David A | | | 2103 | WLS | 0.00 | 1 | -0.28 | 20 | -5.60 | | | James, Dai | | | 1849 | WLS | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Hatchett, Paul | | | 2022 | WLS | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Thomas, Ben | | | 1936 | WLS | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Heaven, Peter | | | 2022 | WLS | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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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