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Individual Calculations July 2009 |
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| Cohen, Ronnie Total change: -13.20 | |   |
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| Coulsdon Easter Open | Coulsdon | ENG | 2009-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1943 | 1.50 | 5 | -0.88 | 15 | -13.20 | |
|  Galliano, Alexander | | | 2031 | ENG | 0.00 | 1 | -0.38 | 15 | -5.70 | |  Gliddon, Daniel | | | 1595 | ENG | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Atako, Chino C | | | 2111 | ENG | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Jones, William E G | | | 2026 | ENG | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Brookes, Christopher | | | 1987 | NED | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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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