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Individual Calculations September 2009 |
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| Owens, Megan R Total change: 33.45 | |   |
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| South Wales International Open | Pontypridd | WLS | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 1731 | 3.50 | 8 | 2.03 | 15 | 30.45 | |
|  Van Kemenade, Rudy | | | 1994 | WLS | 0.50 | 1 | 0.32 | 15 | 4.80 | |  Waterfield, John W | | | 2019 | ENG | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Menadue, Jeremy F S | | | 2131 * | ENG | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Fletcher, John | | | 2027 | WLS | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Williams, Ron | | | 1944 | WLS | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Thomas, James | | | 1868 | WLS | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Gibson, Christopher A | | | 1991 | ENG | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Adebajo, Olufemi | | | 2002 | ENG | 0.50 | 1 | 0.33 | 15 | 4.95 | | | * 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) | | | | British U16 Championships | Torquay | ENG | 2009-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1731 | 1.00 | 3 | 0.20 | 15 | 3.00 | |
| | Burke, Mitchell R | | | 1885 | ENG | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Sivakumar, Athman | | | 1818 | ENG | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Jones, William E G | | | 2053 | ENG | 0.00 | 1 | -0.13 | 15 | -1.95 | |
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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