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Individual Calculations May 2011 |
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| Cohen, Ronnie Total change: 17.25 | |   |
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| Coulsdon Super League 2011 | Coulsdon | ENG | 2010-10-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1913 | 3.00 | 5 | 0.73 | 15 | 10.95 | |
|  Wrigley, Simon | | | 1769 | ENG | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Court, Simon E | | | 1847 | ENG | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Jones, William E G | | | 2100 | ENG | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Edwards, Nicholas L | | | 1937 | ENG | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Grant, David J | | | 2095 | ENG | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | Coulsdon Easter Open 2011 | Coulsdon | ENG | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 1924 | 1.50 | 3 | 0.42 | 15 | 6.30 | |
| | Murphy, Conor E | | | 1905 | ENG | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Jones, William E G | | | 2115 | ENG | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Atako, Chino C | | | 2071 | ENG | 0.00 | 1 | -0.30 | 15 | -4.50 | |
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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