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Individual Calculations March 2018 |
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| Murray, David Total change: 2.80 | |   |
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| Armstrong Cup 2017-18 Rounds 5-6 | Various | IRL | 2017-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1935 | 2128 | 1.00 | 1 | 0.25 | 20 | 5.00 | |
|  Curran, Garrett | | | 1935 | IRL | 1.00 | 1 | 0.25 | 20 | 5.00 | |
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) | | | | Armstrong Cup 2017-18 Rounds 7-8 | Variuos | IRL | 2018-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 2133 | 1.50 | 2 | 0.20 | 20 | 4.00 | |
|  Kennedy, John P. A. | | | 2102 | IRL | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Hearns, Liam T. | | | 1931 | IRL | 1.00 | 1 | 0.24 | 20 | 4.80 | |
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) | | | | 2017/18 4NCL Division 3 North Rounds 5-6 | Bolton | ENG | 2018-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 2150 | 1.50 | 2 | -0.31 | 20 | -6.20 | |
| | Gogia, Armaan | | | 1750 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Boswell, Jacob Connor | | | 1803 | ENG | 0.50 | 1 | -0.39 | 20 | -7.80 | | | * 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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