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Individual Calculations February 2017 |
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| Sands, David A Total change: -23.60 | |   |
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| South Wales New Year Open 2017 | Bridgend | WLS | 2017-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1944 | 2127 | 2.50 | 5 | -1.18 | 20 | -23.60 | |
|  May, Adam J | | | 1917 | WLS | 0.50 | 1 | -0.27 | 20 | -5.40 | |  Evans, Nicholas Thomas | | | 1847 | WLS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Young, Alan | | | 2020 | WLS | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Rodriguez, Juan Talavera | | | 2003 | WLS | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Turner, Joseph David | | | 1932 | WLS | 0.00 | 1 | -0.75 | 20 | -15.00 | |
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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