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Individual Calculations September 2009 |
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| Murray, David B. Total change: 3.45 | |   |
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| Irish Chess Championships | Dublin | IRL | 2009-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 1981 | 4.00 | 9 | 0.36 | 15 | 5.40 | |
|  Redmond, John P. | | | 2193 | IRL | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Cafolla, Peter | | | 2046 | IRL | 0.00 | 1 | -0.41 | 15 | -6.15 | | | O`Leary, Matt | | | 2053 | IRL | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Duffy, Seamus | | | 2078 | IRL | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Quinn, Ciaran | | | 2133 | IRL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Babei, Angelica | | | 2015 | MDA | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Loughran, John | | | 1939 | IRL | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Doyle, Hugh | | | 1910 | IRL | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Macelligott, Gerard | | | 2115 | IRL | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | Czech Open 2009 B - Tchibo Open | Pardubice | CZE | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 1981 | 4.50 | 9 | -0.13 | 15 | -1.95 | |
| | Jaeschke, Jens Uwe | | | 2171 | GER | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Psaila, Clarence | | | 1772 | MLT | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Schulz, Petra | | wf | 2101 | GER | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Schroeder, Jan Christian | | | 1840 | GER | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Horyna, Josef | | | 1887 | CZE | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Marshall, Michael | | | 1891 | DEN | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Rous, Daniel | | | 1830 | CZE | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Jacko-Jun., Vladimir | | | 2079 | SVK | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Konstacky, Matej | | | 2162 | CZE | 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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