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Individual Calculations May 2011 |
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| Murray, David B. Total change: 36.30 | |   |
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| Armstrong Cup 2011 | Dublin | IRL | 2010-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2046 | 2039 | 4.50 | 7 | 1.05 | 15 | 15.75 | |
|  McPhillips, Karl | | | 2209 | IRL | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Delaney, Killian | | | 2040 | IRL | 0.00 | 1 | -0.50 | 15 | -7.50 | |  Hearns, Liam T. | | | 1952 | IRL | 0.50 | 1 | -0.12 | 15 | -1.80 | | | McCarthy, Tim | | | 2007 | IRL | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Collins, Mark A. | | | 1995 | IRL | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Moran, Stephen | | | 1987 | IRL | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Quinn, Ciaran | | | 2130 | IRL | 1.00 | 1 | 0.62 | 15 | 9.30 | |
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) | | | | Irish National Chess Club Championship 2011 | Dublin | IRL | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 2039 | 2.50 | 3 | 1.37 | 15 | 20.55 | |
| | Porter, Liam | | | 1983 | IRL | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Bittner, Thomas | | | 2193 | GER | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Nelson, Jonathan | | | 2222 | ENG | 1.00 | 1 | 0.74 | 15 | 11.10 | |
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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