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Individual Calculations September 2018 |
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| Martin, Lewis Total change: 30.40 | |   |
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| 2018 Midland Open Championship Open | Telford | ENG | 2018-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 2098 | 3.00 | 4 | 0.67 | 20 | 13.40 | |
|  Rahulan, Thivyaa | | | 1800 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | |  Modi, Kishan Jagdish | | | 1938 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Jones, Steven A | | | 2166 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Blackburn, Jonathan L B | | | 2202 | WLS | 0.50 | 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) | | | | 12th Steve Boniface Memorial | Bristol | ENG | 2018-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2098 | 3.00 | 4 | 0.85 | 20 | 17.00 | |
| | Anderson, Peter W | | | 2003 | ENG | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Graham, William M | | | 1903 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Stewart, Ashley | | | 2148 | ENG | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Moore, Graham J | | | 2218 | ENG | 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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