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Individual Calculations January 2010 |
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| Rudd, Jack Total change: -9.75 | |   |
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| London Chess Classic Open | London | ENG | 2009-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2251 | 2296 | 5.00 | 9 | 0.05 | 15 | 0.75 | |
|  Boger, Raymond | | | 1959 | NOR | 1.00 | 1 | 0.12 | 15 | 1.80 | |  Krawczyk, Andrzej | | | 2152 | POL | 1.00 | 1 | 0.31 | 15 | 4.65 | | | McDonald, Neil | g | | 2412 | ENG | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Friedland, Jon S | c | | 2162 | ENG | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Wells, Peter K | g | | 2489 | ENG | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Ferguson, Mark | m | | 2410 | ENG | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Healey, Michael W | | | 2058 | ENG | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Arkell, Keith C | g | | 2464 | ENG | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Yeo, Michael J | | | 2153 | ENG | 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) | | | | Coulsdon Chrsitmas Challengers | Coulsodn | ENG | 2009-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1909 | 2296 | 7.50 | 9 | -0.70 | 15 | -10.50 | |
| | Eilers, Arne | | | 1958 | ENG | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Clayton, Tristan | | | 1896 * | ENG | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Campbell, Eoin | | | 1910 | SCO | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Sanders, Isaac | | | 1896 * | ENG | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Birkin, Mark | | | 1896 * | ENG | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Fields, Francis | | | 1922 | ENG | 1.00 | 1 | 0.10 | 15 | 1.50 | | | O`Gorman, Brendan | | | 1896 * | ENG | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Cohen, Ronnie | | | 1910 | ENG | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Kane, Frank | | | 1896 * | ENG | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * 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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