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Individual Calculations June 2013 |
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| Duffy, Seamus Total change: -1.20 | |   |
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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 |
| 2052 | 2019 | 3.50 | 9 | -0.61 | 15 | -9.15 | |
|  Goralski, Lukasz | | | 1937 | POL | 1.00 | 1 | 0.39 | 15 | 5.85 | | | McCabe, Darren | | | 2100 | IRL | 0.00 | 1 | -0.39 | 15 | -5.85 | |  Murray, David B. | | | 2146 | IRL | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Hearns, Liam T. | | | 1949 | IRL | 0.50 | 1 | -0.10 | 15 | -1.50 | | | McHugh, Kevin | | | 2170 | IRL | 0.50 | 1 | 0.20 | 15 | 3.00 | | | O`Connor, Jonathan | | | 2124 | IRL | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Moran, Stephen | | | 2006 | IRL | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Macelligott, Gerard | | | 2041 | IRL | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Keogh, Eamon | | | 1995 | IRL | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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 |
| 2031 | 2012 | 1.00 | 1 | 0.53 | 15 | 7.95 | |
| | Aherne, John P. | | | 2031 | IRL | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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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