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Individual Calculations May 2013 |
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| Kalavannan, Koby Total change: 13.95 | |   |
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| Coulsdon Spring Open 2013 | COULSDON | ENG | 2013-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 1659 | 2.00 | 5 | 0.74 | 15 | 11.10 | |
|  Rizvi, Nasir | | | 2033 | WLS | 0.00 | 1 | -0.10 | 15 | -1.50 | |  Zhou, Yang-Jian | | | 1638 | ENG | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Shepley, Julien M | | | 2020 | ENG | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Young, Daniel J | | | 1773 | ENG | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Dixit, Kumar | | | 1915 | ENG | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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 April 2013 | London | ENG | 2013-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 1699 | 1.50 | 4 | 0.19 | 15 | 2.85 | |
| | Eden, Tomer | | | 2099 * | ISR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Mumford, Robert | | | 1557 | ENG | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Pride, Stephen C | | | 1828 | ENG | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Tobisch, John | | | 1926 | GER | 0.00 | 1 | -0.21 | 15 | -3.15 | | | * 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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