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Individual Calculations September 2009 |
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| Burke, Mitchell R Total change: -2.45 | |   |
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| British U16 Championships | Torquay | ENG | 2009-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1885 | 1.50 | 3 | 0.04 | 25 | 1.00 | |
|  Owens, Megan R | | | 1731 | WLS | 0.50 | 1 | -0.21 | 25 | -5.25 | | | Iyengar, Ilya | | | 1963 | ENG | 0.50 | 1 | 0.11 | 25 | 2.75 | |  Tambini, Jasper | | | 1986 | ENG | 0.50 | 1 | 0.14 | 25 | 3.50 | |
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) | | | NOTE: K factor changed | | British Championships-Major Open | Torquay | ENG | 2009-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 1885 | 2.00 | 6 | -0.23 | 15 | -3.45 | |
| | Bolt, Graham | | | 2090 | ENG | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Ahmed, Mahtabuddin | | | 2233 | BAN | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Tambini, Jasper | | | 1986 | ENG | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Lenier, Jude | | | 1808 | ENG | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Sivakumar, Athman | | | 1818 | ENG | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Stayt, James N | | | 2018 | ENG | 0.50 | 1 | 0.18 | 15 | 2.70 | |
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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