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Individual Calculations October 2015 |
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| Goodfellow, Russell Robert Total change: -45.80 | |   |
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| Golders Green August Bank Holiday Congress: MAJOR Under 1900 | London | ENG | 2015-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1835 | 1.50 | 4 | -1.22 | 20 | -24.40 | |
|  Sonnis, Steve | | | 1642 | ENG | 0.00 | 1 | -0.75 | 20 | -15.00 | |  Lim, Yu-Chin (peter) | | | 1641 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Ivanov, George | | | 1784 | ENG | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Liu, David J | | | 1728 | ENG | 0.00 | 1 | -0.65 | 20 | -13.00 | |
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) | | | | Hampstead Under 1900 Congress Sep15 | London | ENG | 2015-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1835 | 2.00 | 4 | -1.07 | 20 | -21.40 | |
| | Tomy, Jeff | | | 1454 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Balouka Myers, Gabriel | | | 1622 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Simpson, Ben | | | 1858 | ENG | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Balouka Myers, Reuben | | | 1435 * | ENG | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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