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Individual Calculations September 2017 |
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| Alkhateeb, Taher Total change: 4.40 | |   |
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| 104th British Championships Weekend Open | Llandudno | ENG | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 2015 | 2.50 | 4 | 0.03 | 20 | 0.60 | |
|  Gartside, Carl | | | 1863 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | |  Taylor, Robert P | | | 1854 | ENG | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Burns, Martin J | | | 1857 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Villiers, Thomas | | | 2122 | ENG | 0.00 | 1 | -0.35 | 20 | -7.00 | |
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) | | | | 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 2015 | 3.00 | 4 | 0.53 | 20 | 10.60 | |
| | Hughes, Gavin James | | | 1849 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Ramage, Colin R | | | 1836 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Wells, Jonathan C | | | 2037 | ENG | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Bryant, Richard Be | | | 1976 | ENG | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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) | | | | 6th Kuwait Team Tournament | Kuwait | KUW | 2017-08-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2015 | 0.00 | 1 | -0.34 | 20 | -6.80 | |
| | Ramadan, M. Ahmed | | | 2132 | EGY | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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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