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Individual Calculations June 2018 |
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| De Coverly, Roger D Total change: -4.00 | |   |
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| 2017/18 4NCL Division 4 South Rounds 9-11 | Reading | ENG | 2018-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 1943 | 1.00 | 3 | -0.25 | 20 | -5.00 | |
|  Lambourne, Dan M | | | 1972 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | |  Walkusz, Miroslaw | c | | 1944 | POL | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Norman, Kenneth I | c | | 2105 | ENG | 0.50 | 1 | 0.21 | 20 | 4.20 | |
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) | | | | Frome Congress Open 2018 | Frome | ENG | 2018-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1943 | 4.00 | 5 | 1.61 | 20 | 32.20 | |
| | Small, Simon | | | 2245 | ENG | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Stoyanov, Viktor | | | 2129 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Jukes, Sam | | | 1797 | WLS | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Kramaley, David | | | 1819 | ENG | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Adaway, William | | | 1864 | ENG | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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) | | | | 1st 4NCL Spring Bank Holiday Congress U2050 | Basingstoke | ENG | 2018-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1757 | 1943 | 3.50 | 7 | -1.56 | 20 | -31.20 | |
| | Jamroz, Viktor | | | 1757 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Aubury, Benjamin | | | 1543 * | ENG | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Ramprasad, Cherupalli | | | 1827 | IND | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Faulkner, Martin J | | | 1798 | ENG | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Davidson, Laura | | | 1632 | ENG | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Bennett, Dominic L | | | 1951 | ENG | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Stephenson, David W | | | 1793 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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