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Individual Calculations August 2019 |
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| Davis, Lee Total change: 0.40 | |   |
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| 16th South Wales International Open | Bridgend | WLS | 2019-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1937 | 4.00 | 8 | -0.34 | 20 | -6.80 | |
|  O`rourke, Kevin | | | 1537 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Toczek, Grzegorz | f | | 2249 | WLS | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Rudd, Jack | m | | 2275 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Phillips, William | | | 1847 | ENG | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Thomas, Roy | | | 1708 | WLS | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Whitehead, Mark A | | | 1887 | ENG | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Spanton, Tim R | | | 1900 | ENG | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Robinson, David | | | 1840 | WLS | 0.50 | 1 | -0.13 | 20 | -2.60 | | | * 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) | | | | 22nd 4NCL Congress Open | Telford | ENG | 2019-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 1937 | 2.50 | 5 | 0.36 | 20 | 7.20 | |
| | Price, Gwilym T | | | 2138 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Modi, Shyam Jagdish | | | 2098 | ENG | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Tarr, Steve F | | | 1686 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Agnew, Alan | | | 2048 | ENG | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Ther, Mate | | | 1970 | 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) | | |
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