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Individual Calculations July 2011 |
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| Duffy, Seamus Total change: -9.15 | |   |
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| Munster Chess Union League – Division 1 | Ennis, Limerick and Charleville | IRL | 2010-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 2022 | 1.50 | 3 | -0.61 | 15 | -9.15 | |
|  Short, Stephen | | | 1995 | IRL | 0.00 | 1 | -0.54 | 15 | -8.10 | |  Mrozowski, Andrzej | | | 1682 | POL | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Twomey, Pat | | | 1881 | IRL | 1.00 | 1 | 0.31 | 15 | 4.65 | |
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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