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Individual Calculations May 2011 |
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| Byrne, Ray Total change: 0.00 | |   |
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| Armstrong Cup 2011 | Dublin | IRL | 2010-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 2054 | 4.00 | 5 | 1.07 | 25 | 26.75 | |
|  Zulkipli, Zaidan | | | 2053 | MAS | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Salter, David | | | 1896 | IRL | 1.00 | 1 | 0.29 | 25 | 7.25 | | | Scannell, Tony | | | 2011 | IRL | 1.00 | 1 | 0.44 | 25 | 11.00 | |  Igaz, Peter | | | 2118 | HUN | 1.00 | 1 | 0.59 | 25 | 14.75 | | | Healy, John | | | 1860 | IRL | 1.00 | 1 | 0.25 | 25 | 6.25 | |
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 |
| 2026 | 2054 | 0.00 | 2 | -1.07 | 25 | -26.75 | |
| | Lyons, Brendan | | | 1951 | IRL | 0.00 | 1 | -0.64 | 25 | -16.00 | | | O`Driscoll, Kieran | | | 2101 | IRL | 0.00 | 1 | -0.43 | 25 | -10.75 | |
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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