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Individual Calculations May 2018 |
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| Cafolla, Peter Total change: 6.40 | |   |
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| Armstrong Cup 2017-18 Rounds 9-10 | Various | IRL | 2018-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2080 | 1957 | 0.50 | 2 | -0.18 | 20 | -3.60 | |
|  Lane, John | | | 1975 | IRL | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Steil-Antoni, Fiona | | wm | 2184 | LUX | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | Easter Festival Group E | Dublin | IRL | 2018-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1852 | 1942 | 6.00 | 9 | 0.50 | 20 | 10.00 | |
| | Boyle, Bernard | | | 1897 | IRL | 1.00 | 1 | 0.44 | 20 | 8.80 | |  O`neill, Paul | | | 1941 | IRL | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Kalam, Abul | | | 1828 | IRL | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Duffy, Seamus | | | 1990 | IRL | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Menon, Sanjay | | | 1575 | IRL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | McLoughlin, Sean | | | 1848 | IRL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Haque, Mustakim-Ul | | | 1892 | IRL | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Gupta, Utkarsh | | | 1779 | IRL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Haque, Muhtarim-Ul | | | 1920 | IRL | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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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