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Individual Calculations April 2009 |
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| Lewis, Andrew P Total change: 1.80 | |   |
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| 4NCL part 2 | Various | ENG | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2335 | 2277 | 2.00 | 2 | 1.15 | 15 | 17.25 | |
|  Ledger, Andrew J | m | | 2429 | ENG | 1.00 | 1 | 0.70 | 15 | 10.50 | |  Coates, Kenneth G | | | 2241 | ENG | 1.00 | 1 | 0.45 | 15 | 6.75 | |
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) | | | | London Christmas Open | Harrow | ENG | 2008-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 2277 | 2.50 | 5 | -1.03 | 15 | -15.45 | |
| | Levicki, Jeffrey P | | | 1940 | ENG | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Chakanyuka, Charles | | | 2105 | ZIM | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Iyengar, Ilya | | | 1927 | ENG | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Walker, Martin G | f | | 2220 | ENG | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Sowray, Peter J | f | | 2315 | ENG | 0.00 | 1 | -0.45 | 15 | -6.75 | |
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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