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Individual Calculations January 2009 |
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| Mayhew, Andrew Total change: 24.50 | |   |
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| Caterham Open | Caterham | ENG | 2008-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 2015 | 2.00 | 3 | 0.46 | 25 | 11.50 | |
|  Snape, Ian L | | | 2219 | ENG | 0.00 | 1 | -0.24 | 25 | -6.00 | |  Lenier, Jude | | | 1830 | ENG | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Gibbs, Dominic V | | | 1970 | ENG | 1.00 | 1 | 0.44 | 25 | 11.00 | |
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) | | | | Wellington College International | Crowthorne | ENG | 2008-11-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2015 | 4.00 | 7 | 0.52 | 25 | 13.00 | |
| | Arkell, Keith C | g | | 2365 | ENG | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Haria, Ravi | | | 1794 | ENG | 0.50 | 1 | -0.28 | 25 | -7.00 | | | Mut, Guillem | | | 1748 | ESP | 1.00 | 1 | 0.18 | 25 | 4.50 | | | Walker, Samuel A | | | 1940 | ENG | 1.00 | 1 | 0.40 | 25 | 10.00 | | | Radovanovic, Jovica | f | | 2345 | SRB | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Iyengar, Ilya | | | 1920 | ENG | 1.00 | 1 | 0.37 | 25 | 9.25 | | | Sen, Subin | | | 2073 | ENG | 0.50 | 1 | 0.08 | 25 | 2.00 | |
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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