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Individual Calculations August 2019 |
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| Waddington, Mike P Total change: 8.80 | |   |
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| 16th South Wales International Open | Bridgend | WLS | 2019-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 2014 | 4.00 | 9 | 0.16 | 20 | 3.20 | |
|  Robertson, Jim | | | 1614 * | SCO | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Siddharth, Jagadeesh | f | | 2410 | SGP | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Davies, Nigel R | g | | 2414 * | WLS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Byron, Alan M | | | 2222 | ENG | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Roberson, Peter T | m | | 2414 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Rudd, Jack | m | | 2275 | ENG | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Bird, Joel | | | 1988 | ENG | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Harris, Calum | | | 1764 | WLS | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Chung, Ethan Cheung Jing | | | 1614 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 106th British Championships Atkins | Torquay | ENG | 2019-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 2014 | 3.00 | 4 | 0.28 | 20 | 5.60 | |
| | Fallowfield, Nicholas | | | 1872 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Tsiapouris, Michael, Dr. | | | 1880 | GER | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Dias, Savin | | | 1840 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | De Coverly, Roger D | | | 1928 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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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