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Individual Calculations November 2013 |
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| Kalavannan, Koby Total change: 20.55 | |   |
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| Imperial College Chess Congress Open | London | ENG | 2013-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2010 | 1791 | 3.00 | 5 | 1.89 | 15 | 28.35 | |
|  Craft, Isaac | | | 2032 | ENG | 0.50 | 1 | 0.30 | 15 | 4.50 | |  Morris-Hill, Ray | | | 2008 | ENG | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Jezierski, Colum | | | 2061 | ENG | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Rogers, Tim | | | 1968 | ENG | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Skulte, Christopher | | | 1983 | AUS | 0.50 | 1 | 0.25 | 15 | 3.75 | |
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 2200 FIDE Congress October 2013 | London | ENG | 2013-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 1791 | 1.50 | 4 | -0.52 | 15 | -7.80 | |
| | Winter, Malcolm J | | | 1562 | ENG | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Millward, David James | | | 1928 | ENG | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Oyama, Akito | | | 1993 | ENG | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Papier, Alan | | | 1667 | ENG | 0.00 | 1 | -0.67 | 15 | -10.05 | |
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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