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Individual Calculations May 2011 |
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| Collins, Mark A. Total change: 2.50 | |   |
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| Armstrong Cup 2011 | Dublin | IRL | 2010-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1995 | 3.00 | 6 | 0.18 | 25 | 4.50 | |
|  Delaney, Rory | | | 1950 | IRL | 0.00 | 1 | -0.56 | 25 | -14.00 | | | Boyle, Bernard | | | 1946 | IRL | 1.00 | 1 | 0.43 | 25 | 10.75 | |  Keogh, Eamon | | | 2028 | IRL | 1.00 | 1 | 0.55 | 25 | 13.75 | | | McCabe, Darren | | | 2006 | IRL | 1.00 | 1 | 0.52 | 25 | 13.00 | | | Murray, David B. | | | 2039 | IRL | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Dennehy, Tony | | | 2131 | IRL | 0.00 | 1 | -0.32 | 25 | -8.00 | |
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 |
| 2395 | 1995 | 0.00 | 1 | -0.08 | 25 | -2.00 | |
| | Barnaure, Vlad-Victor | m | | 2395 * | ROU | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * 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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