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Individual Calculations May 2011 |
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| Lyons, Brendan Total change: 15.45 | |   |
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| Armstrong Cup 2011 | Dublin | IRL | 2010-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2028 | 1951 | 3.00 | 5 | 1.03 | 15 | 15.45 | |
|  Macelligott, Gerard | | | 2087 | IRL | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Keogh, Eamon | | | 2028 | IRL | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Scannell, Tony | | | 2011 | IRL | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Bennett, Eric | | | 1986 | IRL | 1.00 | 1 | 0.55 | 15 | 8.25 | |  Hayes, Peter J. | | | 2029 | IRL | 0.00 | 1 | -0.39 | 15 | -5.85 | |
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 |
| 2105 | 1951 | 1.00 | 3 | 0.00 | 15 | 0.00 | |
| | Dumitrache, Dragos-Nicolae | m | | 2351 * | ROU | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Byrne, Ray | | | 2054 | IRL | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Loughran, John | | | 1910 | IRL | 0.00 | 1 | -0.56 | 15 | -8.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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