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Individual Calculations February 2015 |
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| Cohen, Ronnie Total change: -24.00 | |   |
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| 5th Golders Green Weekend Congress: Under 2200 (200 ECF) | London | ENG | 2015-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1927 | 1.00 | 5 | -1.20 | 20 | -24.00 | |
|  Jones, Steven | | | 2079 | ENG | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Lane, Peter C R | | | 2082 | ENG | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Prior, Stephen | | | 2028 | ENG | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Klingher, Dominic | | | 1858 | ENG | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Kalerwa, Edwin.m. | | | 1814 | 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) | | |
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