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Individual Calculations June 2013 |
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| Ivanov, George Total change: 38.40 | |   |
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| 4NCL 2012-13 | Various | ENG | 2012-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1701 | 0.50 | 2 | 0.16 | 30 | 4.80 | |
|  Hermes, Geoff R | | | 1979 | ENG | 0.50 | 1 | 0.33 | 30 | 9.90 | |  Valentine, Brian J | | | 1973 | ENG | 0.00 | 1 | -0.17 | 30 | -5.10 | |
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 May 2013 | London | ENG | 2013-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 1701 | 2.00 | 4 | 1.12 | 30 | 33.60 | |
| | Nixon, Rodney | | | 1998 | ENG | 1.00 | 1 | 0.85 | 30 | 25.50 | | | Lukacovic, Miroslav | | | 1991 | SVK | 0.00 | 1 | -0.16 | 30 | -4.80 | | | Hayward, Alan | | | 1960 | ENG | 0.00 | 1 | -0.18 | 30 | -5.40 | | | Kalerwa, Edwin | | | 1782 | ENG | 1.00 | 1 | 0.61 | 30 | 18.30 | |
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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