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Individual Calculations September 2009 |
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| Josse, Mark Total change: 19.05 | |   |
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| Big Slick London Open | Purley | ENG | 2009-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2045 | 0.50 | 3 | -0.28 | 15 | -4.20 | |
|  Rowson, Jonathan | g | | 2395 | SCO | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Cooley, Chris M | | | 2265 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Baruch, Andrew J D | | | 2082 | ENG | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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) | | | | South Wales International Open | Pontypridd | WLS | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 2045 | 5.50 | 9 | 1.52 | 15 | 22.80 | |
| | Zhou, Yang-Fan | | | 2265 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Van Kemenade, Rudy | | | 1994 | WLS | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Vickery, Steve | | | 1782 | WLS | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Waterfield, John W | | | 2019 | ENG | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Rudd, Jack | m | | 2327 | ENG | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Richmond, Peter | | | 2242 | WLS | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Davis, Lee | | | 1948 | WLS | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Menadue, Jeremy F S | | | 2174 | ENG | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Brown, Martin | | | 2074 | ENG | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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) | | | | Uxbridge International Group C | Uxbridge | ENG | 2009-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 2045 | 3.00 | 9 | 0.03 | 15 | 0.45 | |
| | White, David J | | | 2051 | ENG | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Rudd, Jack | m | | 2327 | ENG | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Brown, Thomas | | | 2033 | WLS | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Ackley, Peter J E | | | 2084 | ENG | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Byron, Alan M | | | 2173 | ENG | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Gormally, Daniel W | g | | 2445 * | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Jackson, James P | | | 2045 | ENG | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Arkell, Keith C | g | | 2445 * | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | | | McKenna, Jason P | | | 2146 | ENG | 0.50 | 1 | 0.14 | 15 | 2.10 | | | * 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) | | |
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