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Individual Calculations August 2015 |
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| Bullen, Alex Total change: 24.60 | |   |
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| 12th South Wales International Open | Cardiff | WLS | 2015-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 1994 | 5.50 | 10 | 1.23 | 20 | 24.60 | |
|  Cox, John | | | 1594 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Chevannes, Sabrina L | | wm | 2228 | ENG | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Freeland, Alex | | | 1952 | WLS | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Arkell, Keith C | g | | 2394 * | ENG | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Teh, Eu Wen Aron | f | | 2321 | MAS | 0.00 | 1 | -0.13 | 20 | -2.60 | | | James, Dai | | | 1906 | WLS | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Williams, Winston | c | | 2166 | SIN | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Brown, Thomas | | | 2065 | WLS | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Jaunooby, Ali R | | | 2181 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Thomas, Roy | | | 1728 | WLS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | * 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) | | |
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