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Rapid:
Individual Calculations February 2015 |
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| Kalavannan, Koby Total change: 39.20 | |   |
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| CCF CHESS CLUB – WINTER RAPID PLAY CHAMPIONSHIPS 2014-15: JANUARY | COULSDON, LONDON | ENG | 2015-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 1963 | 2.50 | 3 | 0.93 | 20 | 18.60 | |
|  Maguire, Robert | | | 1969 | ENG | 0.50 | 1 | 0.01 | 20 | 0.20 | |  Rizvi, Nasir | | | 2058 | WLS | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Anbukumar, Hajane | | | 1802 | ENG | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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) | | | | CCF FIDE RAPIDPLAY - Under 1600 | COULSDON, LONDON | ENG | 2015-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1963 | 4.00 | 6 | 1.03 | 20 | 20.60 | |
| | Cole, Graham L | | | 1746 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Hjort, Helge | | | 1882 | DEN | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Porter, Sam J | | | 1959 | ENG | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Kojima, Shinya | f | | 2363 * | JPN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Joslin, Tim M | | | 1879 | ENG | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Rizvi, Nasir | | | 2058 | WLS | 1.00 | 1 | 0.63 | 20 | 12.60 | | | * 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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