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Individual Calculations June 2013 |
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| Jackson, Carl Total change: -0.60 | |   |
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| Leinster Chess Union Div 1 Armstrong Cup 2012-2013 | Dublin | IRL | 2012-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1940 | 2.00 | 4 | 0.33 | 15 | 4.95 | |
|  Butler, Kevin C. | | | 2041 | IRL | 0.00 | 1 | -0.36 | 15 | -5.40 | |  O`Rourke, Ray | | | 2026 | IRL | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Lyons, Brendan | | | 1989 | IRL | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Boyle, Bernard | | | 1939 | IRL | 1.00 | 1 | 0.50 | 15 | 7.50 | |
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) | | | | National Club Championships 2013 | Dublin | IRL | 2013-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 1933 | 0.50 | 2 | -0.37 | 15 | -5.55 | |
| | Bennett, Eric | | | 1955 | IRL | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Collins, Mark A. | | | 2005 | IRL | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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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