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Individual Calculations July 2010 |
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| Brookfield, Toby N Total change: -9.30 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1779 | 0.50 | 5 | -1.36 | 15 | -20.40 | |
|  Shaw, Dashiell L | | | 1910 | ENG | 0.00 | 1 | -0.32 | 15 | -4.80 | |  Jaszkiwskyj, Peter | | | 1941 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Doran, Michael J | | | 1884 | ENG | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Sathiraju, Vijay | | | 1740 | ENG | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Jackson, Paul G | | | 1899 | ENG | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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) | | | | e2e4.org.uk Sunningdale Congress | Sunningdale, Berkshire | ENG | 2010-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1791 | 2.00 | 6 | 0.74 | 15 | 11.10 | |
| | Compton, Alistair | | | 2061 | NZL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Vachtfeidl, Petr | | | 2039 | CZE | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Eilers, Arne | | | 2002 | ENG | 1.00 | 1 | 0.77 | 15 | 11.55 | | | James, Stephen B | | | 1991 | WLS | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Gibson, Christopher A | | | 1973 | ENG | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Marsh, Roger D W | | | 2067 | ENG | 1.00 | 1 | 0.83 | 15 | 12.45 | |
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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