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Individual Calculations March 2018 |
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| Joyce, John 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 |
| 2161 | 2058 | 1.00 | 2 | 0.22 | 20 | 4.40 | |
|  Lane, John | | | 1963 | IRL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | O`donnell, Conor | f | | 2358 | IRL | 0.00 | 1 | -0.15 | 20 | -3.00 | |
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 |
| 1992 | 2049 | 0.50 | 1 | -0.08 | 20 | -1.60 | |
|  Cafolla, Peter | | | 1992 | IRL | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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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