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Individual Calculations September 2009 |
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| Byron, Alan M Total change: 18.75 | |   |
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| Leicestershire County Champs pt 2 | Lutterworth | ENG | 2009-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 2168 | 1.00 | 1 | 0.32 | 15 | 4.80 | |
|  Robinson, John K | | | 2037 | ENG | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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) | | | | Leicester International | Leicester | ENG | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 2168 | 3.50 | 5 | -0.49 | 15 | -7.35 | |
| | Potter, Karl H | | | 1894 | ENG | 0.50 | 1 | -0.33 | 15 | -4.95 | |  Ali, G S | | | 1835 | ENG | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Farrall, David J | | | 1818 | ENG | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Harrison, Peter K | | | 1818 | ENG | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Padilla Cabero, Pablo | | | 2168 | ESP | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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) | | | | South Wales International Open | Pontypridd | WLS | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 2173 | 4.00 | 7 | -0.39 | 15 | -5.85 | |
| | Waterfield, John W | | | 2019 | ENG | 1.00 | 1 | 0.29 | 15 | 4.35 | | | White, Ernest M | | | 1976 | ENG | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Tew, Paul | | | 2056 | WLS | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Arkell, Keith C | g | | 2521 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Fathallah, Joe | | | 1943 | WLS | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Harley-Yeo, Gareth | | | 2043 | WLS | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Brown, Thomas | | | 2033 | WLS | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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 |
| 2209 | 2173 | 6.00 | 9 | 1.81 | 15 | 27.15 | |
| | Eden, Tomer | | | 2157 | ISR | 1.00 | 1 | 0.48 | 15 | 7.20 | | | McKenna, Jason P | | | 2146 | ENG | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Arkell, Keith C | g | | 2521 | ENG | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Gormally, Daniel W | g | | 2490 | ENG | 1.00 | 1 | 0.87 | 15 | 13.05 | | | Josse, Mark | | | 2045 | ENG | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Ackley, Peter J E | | | 2084 | ENG | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Bailey, Kevin J | | | 2082 | ENG | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Brown, Thomas | | | 2033 | WLS | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Rudd, Jack | m | | 2327 | ENG | 0.50 | 1 | 0.21 | 15 | 3.15 | |
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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