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Individual Calculations January 2010 |
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| Osborne, Marcus E Total change: 6.60 | |   |
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| London Chess Classic Open | London | ENG | 2009-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2168 | 2232 | 5.50 | 9 | 0.44 | 15 | 6.60 | |
|  Lenier, Jude | | | 1832 * | ENG | 0.50 | 1 | -0.42 | 15 | -6.30 | |  Chidi, Lovina Sylvia | | | 1832 * | GER | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Ferguson, Mark | m | | 2410 | ENG | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Barle, Janez | m | | 2420 | SLO | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Bass, John W | | | 2068 | ENG | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Crawley, Gavin | m | | 2407 | ENG | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Milnes, Anthony C P | | | 2064 | ENG | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Rodriguez Fonseca, Jorge | | | 2032 | ESP | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Summerscale, Aaron P | g | | 2449 | ENG | 0.50 | 1 | 0.28 | 15 | 4.20 | | | * 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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