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Individual Calculations January 2010 |
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| Roberson, Peter T Total change: 19.95 | |   |
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| London Chess Classic Open | London | ENG | 2009-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2236 | 5.50 | 9 | 1.33 | 15 | 19.95 | |
|  Bishop, Geoffrey L | | | 1839 | ENG | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Barle, Janez | m | | 2420 | SLO | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Gullaksen, Eirik | m | | 2400 | NOR | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Ferguson, Mark | m | | 2410 | ENG | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Lenier, Jude | | | 1836 * | ENG | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Tozer, Philip | | | 2106 | ENG | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Loeffler, Stefan | m | | 2416 | GER | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Summerscale, Aaron P | g | | 2449 | ENG | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Crouch, Colin S | m | | 2346 | ENG | 0.50 | 1 | 0.15 | 15 | 2.25 | | | * 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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