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Individual Calculations September 2017 |
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| Graff, Ben Total change: 34.80 | |   |
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| 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1824 | 2.00 | 5 | 0.00 | 40 | 0.00 | |
|  Gostelow, David W | | | 1959 | ENG | 0.00 | 1 | -0.32 | 40 | -12.80 | |  Collins, Peter M | | | 1954 | ENG | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Jamroz, Krzysztof | | | 1989 | POL | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Openshaw, David K | | | 1859 | ENG | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Kalerwa, Edwin M | | | 1732 | ENG | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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) | | | | 104th British Championships Under 2050 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1824 | 3.00 | 5 | 0.87 | 40 | 34.80 | |
| | Ratnesan, Rajeiv | | | 1537 | ENG | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Bansal, Rohan | | | 1956 | ENG | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Beedle, Jonathan E | | | 2038 | ENG | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Batchelor, Guy J | | | 1944 | ENG | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Slinger, Aj (tony) | | | 1899 | ENG | 1.00 | 1 | 0.60 | 40 | 24.00 | |
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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